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Journal articles on the topic 'Knee abduction moment'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Paquette, Max R., Gary Klipple, and Songning Zhang. "Greater Step Widths Reduce Internal Knee Abduction Moments in Medial Compartment Knee Osteoarthritis Patients During Stair Ascent." Journal of Applied Biomechanics 31, no. 4 (2015): 229–36. http://dx.doi.org/10.1123/jab.2014-0166.

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Increased step widths have been shown to reduce peak internal knee abduction moments in healthy individuals but not in knee osteoarthritis patients during stair descent. This study aimed to assess effects of increased step widths on peak knee abduction moments and associated variables in adults with medial knee osteoarthritis and healthy older adults during stair ascent. Thirteen healthy older adults and 13 medial knee osteoarthritis patients performed stair ascent using preferred, wide, and wider step widths. Three-dimensional kinematics and ground reaction forces (GRFs) using an instrumented

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2

VandenBerg, Curtis D., Nicole M. Mueske, Oussama Abousamra, et al. "INFLUENCE OF LOWER EXTREMITY STATIC ALIGNMENT ON DYNAMIC KNEE VALGUS IN ADOLESCENTS FOLLOWING ACL RECONSTRUCTION." Orthopaedic Journal of Sports Medicine 8, no. 4_suppl3 (2020): 2325967120S0014. http://dx.doi.org/10.1177/2325967120s00144.

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Background: Dynamic limb valgus, particularly high knee abduction moments, are a known risk factor for anterior cruciate ligament (ACL) injury. High knee abduction moments may result from poor static anatomic limb alignment, faulty biomechanics, or a combination of both. The distinction is important because anatomic limb alignment is difficult to change, while dynamic factors can be addressed through neuromuscular or biomechanical training. Hypothesis/Purpose: This study assessed the influence of static (lower extremity anatomic alignment) and dynamic (kinematic and kinetic) factors on externa

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Schilaty, Nathan D., Nathaniel A. Bates, Aaron J. Krych, and Timothy E. Hewett. "Frontal Plane Loading Characteristics of Medial Collateral Ligament Strain Concurrent With Anterior Cruciate Ligament Failure." American Journal of Sports Medicine 47, no. 9 (2019): 2143–50. http://dx.doi.org/10.1177/0363546519854286.

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Background: Both the anterior cruciate ligament (ACL) and the medial collateral ligament (MCL) bear load during athletic tasks of landing, cutting, pivoting, and twisting. As dynamic knee valgus is a purported mechanism for ACL injury, the MCL should bear significant strain load with valgus force. Hypothesis: The intact MCL will demonstrate a significant increase in strain upon failure of the ACL at 25° of knee flexion. Study Design: Controlled laboratory study. Methods: In vivo kinetics/kinematics of 44 healthy athletic participants were measured to determine stratification of injury risk (ie

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4

Galloway, Ryan T., Yingying Xu, Timothy E. Hewett, et al. "Age-Dependent Patellofemoral Pain: Hip and Knee Risk Landing Profiles in Prepubescent and Postpubescent Female Athletes." American Journal of Sports Medicine 46, no. 11 (2018): 2761–71. http://dx.doi.org/10.1177/0363546518788343.

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Background: Female athletes are at an increased risk of developing patellofemoral pain (PFP) relative to male athletes. The unique effects of maturation may compound that risk. Hypothesis/Purpose: The purpose was to evaluate the neuromuscular control mechanisms that are adaptive to pubertal maturation and determine their relative contribution to PFP development. It was hypothesized that aberrant landing mechanics (reduced sagittal-plane and increased frontal- and transverse-plane kinematics and kinetics) would be associated with an increased risk for PFP. Study Design: Cohort study; Level of e

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Patrek, Mary F., Thomas W. Kernozek, John D. Willson, Glenn A. Wright, and Scott T. Doberstein. "Hip-Abductor Fatigue and Single-Leg Landing Mechanics in Women Athletes." Journal of Athletic Training 46, no. 1 (2011): 31–42. http://dx.doi.org/10.4085/1062-6050-46.1.31.

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Abstract Context: Reduced hip-abductor strength and muscle activation may be associated with altered lower extremity mechanics, which are thought to increase the risk for anterior cruciate ligament injury. However, experimental evidence supporting this relationship is limited. Objective: To examine the changes in single-leg landing mechanics and gluteus medius recruitment that occur after a hip-abductor fatigue protocol. Design: Descriptive laboratory study. Patients or Other Participants: Twenty physically active women (age = 21.0 ± 1.3 years). Intervention(s): Participants were tested before

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Yasuda, Tadashi, Keiichi Oyanagi, Miyu Nakagaki, and Hiromitsu Itoh. "Differential Effects of Hip Rotation Range on Knee Abduction Biomechanics during Double-Legged Landing between Males and Females." Asian Journal of Kinesiology 22, no. 4 (2020): 34–47. http://dx.doi.org/10.15758/ajk.2020.22.4.34.

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OBJECTIVES Dynamic knee valgus is composed of hip-knee coupling. While females differ from males in passive hip motion, hip rotation range may alter muscle mechanics and neuromuscular activity. This study aimed to compare knee abduction biomechanics during double-legged drop-landing between males and females with different hip rotation ranges.METHODS This study included five females with the range of hip internal rotation (IR) > the range of hip external rotation (ER), five females with ER>IR, four males with IR>ER, and five males with ER>IR. There was no difference in other hip mo

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Pohl, Michael B., Karen D. Kendall, Chirag Patel, J. Preston Wiley, Carolyn Emery, and Reed Ferber. "Experimentally Reduced Hip-Abductor Muscle Strength and Frontal-Plane Biomechanics During Walking." Journal of Athletic Training 50, no. 4 (2015): 385–91. http://dx.doi.org/10.4085/1062-6050-49.5.07.

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Context Researchers have postulated that reduced hip-abductor muscle strength may have a role in the progression of knee osteoarthritis by increasing the external knee-adduction moment. However, the relationship between hip-abductor strength and frontal-plane biomechanics remains unclear. Objective To experimentally reduce hip-abduction strength and observe the subsequent changes in frontal-plane biomechanics. Design Descriptive laboratory study. Setting Research laboratory. Patients or Other Participants Eight healthy, recreationally active men (age = 27 ± 6 years, height = 1.75 ± 0.11 m, mas

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8

Nguyen, Anh-Dung, Jeffrey B. Taylor, Taylor G. Wimbish, Jennifer L. Keith, and Kevin R. Ford. "Preferred Hip Strategy During Landing Reduces Knee Abduction Moment in Collegiate Female Soccer Players." Journal of Sport Rehabilitation 27, no. 3 (2018): 213–17. http://dx.doi.org/10.1123/jsr.2016-0026.

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Context: Hip-focused interventions are aimed to decrease frontal plane knee loading related to anterior cruciate ligament injuries. Whether a preferred hip landing strategy decreases frontal plane knee loading is unknown. Objective: To determine if a preferred hip landing strategy during a drop vertical jump (DVJ) is utilized during a single-leg landing (SLL) task and whether differences in frontal plane knee loading are consistent between a DVJ and an SLL task. Design: Descriptive laboratory study. Setting: Research laboratory. Participants: Twenty-three collegiate, female soccer players. Mai

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Bates, Nathaniel A., Nathan D. Schilaty, Christopher V. Nagelli, Aaron J. Krych, and Timothy E. Hewett. "Multiplanar Loading of the Knee and Its Influence on Anterior Cruciate Ligament and Medial Collateral Ligament Strain During Simulated Landings and Noncontact Tears." American Journal of Sports Medicine 47, no. 8 (2019): 1844–53. http://dx.doi.org/10.1177/0363546519850165.

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Background:Anterior cruciate ligament (ACL) tears and concomitant medial collateral ligament (MCL) injuries are known to occur during dynamic athletic tasks that place combinatorial frontal and transverse plane loads on the knee. A mechanical impact simulator that produces clinical presentation of ACL injury allows for the quantification of individual loading contributors leading to ACL failure.Purpose/Hypothesis:The objective was to delineate the relationship between knee abduction moment, anterior tibial shear, and internal tibial rotation applied at the knee and ACL strain during physiologi

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Bates, Nathaniel A., Gregory D. Myer, Rena F. Hale, Nathan D. Schilaty, and Timothy E. Hewett. "Prospective Frontal Plane Angles Used to Predict ACL Strain and Identify Those at High Risk for Sports-Related ACL Injury." Orthopaedic Journal of Sports Medicine 8, no. 10 (2020): 232596712095764. http://dx.doi.org/10.1177/2325967120957646.

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Background: Knee abduction moment during landing has been associated with anterior cruciate ligament (ACL) injury. However, accurately capturing this measurement is expensive and technically rigorous. Less complex variables that lend themselves to easier clinical integration are desirable. Purpose: To corroborate in vitro cadaveric simulation and in vivo knee abduction angles from landing tasks to allow for estimation of ACL strain in live participants during a landing task. Study Design: Descriptive laboratory study. Methods: A total of 205 female high school athletes previously underwent pro

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Schilaty, Nathan D., Nathaniel A. Bates, Christopher Nagelli, Aaron J. Krych, and Timothy E. Hewett. "Sex-Based Differences in Knee Kinetics With Anterior Cruciate Ligament Strain on Cadaveric Impact Simulations." Orthopaedic Journal of Sports Medicine 6, no. 3 (2018): 232596711876103. http://dx.doi.org/10.1177/2325967118761037.

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Background: Females are at an increased risk of sustaining noncontact knee ligament injuries as compared with their male counterparts. The kinetics that load the anterior cruciate ligament (ACL) are still under dispute in the literature. Purpose/Hypothesis: The purpose of this study was to determine whether there are differences in knee kinetics between the sexes that lead to greater ACL strain in females when similar external loads are applied during a simulated drop vertical jump landing task. It was hypothesized that female limbs would demonstrate significant differences in knee abduction m

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Cardenas, Cesar, Auralea C. Fain, Nicholas J. Lobb, Kayla D. Seymore, and Tyler N. Brown. "EFFECT OF BODY-BORNE LOAD ON LATERAL TRUNK FLEXION AND ITS RELATION TO KNEE ABDUCTION BIOMECHANICS DURING A SINGLE-LEG CUT." Journal of Musculoskeletal Research 24, no. 03 (2021): 2150009. http://dx.doi.org/10.1142/s0218957721500093.

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Body-borne load reportedly increases incidence of military-related knee injury by altering trunk and lower limb biomechanics. This investigation determined whether body-borne load impacts lateral trunk flexion during a single-leg cut, and whether greater lateral trunk flexion exaggerates knee abduction biomechanics. Thirty-six participants had trunk and knee biomechanics quantified during a single-leg cut with four body-borne loads (20, 25, 30 and 35[Formula: see text]kg). To evaluate the impact of load on lateral trunk flexion and its relation with knee abduction biomechanics, peak stance lat

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13

Camargo-Junior, Franklin, Marko Ackermann, Jefferson F. Loss, and Isabel C. N. Sacco. "Influence of Center of Pressure Estimation Errors on 3D Inverse Dynamics Solutions During Gait at Different Velocities." Journal of Applied Biomechanics 29, no. 6 (2013): 790–97. http://dx.doi.org/10.1123/jab.29.6.790.

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The aim of this study was to investigate the effect of errors in the location of the center of pressure (5 and 10 mm) on lower limb joint moment uncertainties at different gait velocities (1.0, 1.5, and 2.0 m/s). Our hypotheses were that the absolute joint moment uncertainties would be gradually reduced from distal to proximal joints and from higher to lower velocities. Joint moments of five healthy young adults were calculated by inverse dynamics using the bottom-up approach, depending on which estimate the uncertainty propagated. Results indicated that there is a linear relationship between

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Almonroeder, Thomas G., Lauren C. Benson, and Kristian M. O’Connor. "The Effect of a Prefabricated Foot Orthotic on Frontal Plane Joint Mechanics in Healthy Runners." Journal of Applied Biomechanics 31, no. 3 (2015): 149–58. http://dx.doi.org/10.1123/jab.2014-0100.

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The mechanism of action of a foot orthotic is poorly understood. The purpose of this study was to use principal components analysis (PCA) to analyze the effects of a prefabricated foot orthotic on frontal plane knee and ankle mechanics during running. Thirty-one healthy subjects performed running trials with and without a foot orthotic and PCA was performed on the knee and ankle joint angles and moments to identify the dominant modes of variation. MANOVAs were conducted on the retained principal components of each waveform and dependent t tests (P < .05) were performed in the case of signif

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Hewett, Timothy E., Gregory D. Myer, Kevin R. Ford, et al. "Biomechanical Measures of Neuromuscular Control and Valgus Loading of the Knee Predict Anterior Cruciate Ligament Injury Risk in Female Athletes: A Prospective Study." American Journal of Sports Medicine 33, no. 4 (2005): 492–501. http://dx.doi.org/10.1177/0363546504269591.

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Background Female athletes participating in high-risk sports suffer anterior cruciate ligament injury at a 4- to 6-fold greater rate than do male athletes. Hypothesis Prescreened female athletes with subsequent anterior cruciate ligament injury will demonstrate decreased neuromuscular control and increased valgus joint loading, predicting anterior cruciate ligament injury risk. Study Design Cohort study; Level of evidence, 2. Methods There were 205 female athletes in the high-risk sports of soccer, basketball, and volleyball prospectively measured for neuromuscular control using 3-dimensional

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Palmieri-Smith, Riann M., Scott G. McLean, James A. Ashton-Miller, and Edward M. Wojtys. "Association of Quadriceps and Hamstrings Cocontraction Patterns With Knee Joint Loading." Journal of Athletic Training 44, no. 3 (2009): 256–63. http://dx.doi.org/10.4085/1062-6050-44.3.256.

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Abstract Context: Sex differences in neuromuscular control of the lower extremity have been identified as a potential cause for the greater incidence of anterior cruciate ligament (ACL) injuries in female athletes compared with male athletes. Women tend to land in greater knee valgus with higher abduction loads than men. Because knee abduction loads increase ACL strain, the inability to minimize these loads may lead to ACL failure. Objective: To investigate the activation patterns of the quadriceps and hamstrings muscles with respect to the peak knee abduction moment. Design: Cross-sectional s

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Ismail, Shiek Abdullah, Milena Simic, Lucy J. Salmon, et al. "Side-to-Side Differences in Varus Thrust and Knee Abduction Moment in High-Functioning Individuals With Chronic Anterior Cruciate Ligament Deficiency." American Journal of Sports Medicine 47, no. 3 (2018): 590–97. http://dx.doi.org/10.1177/0363546518812883.

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Background: There is evidence that frontal plane knee joint motion plays a crucial role in the pathogenesis of knee osteoarthritis, yet investigation of individuals with chronic anterior cruciate ligament–deficient (ACLD) knees remains sparse. Purpose: To investigate (1) if individuals with chronic ACLD knees demonstrate higher biomechanical measures of medial knee load as compared with their anterior cruciate ligament–intact (ACLI) knees, (2) if differences in static knee alignment of the ACLD knee will demonstrate a difference in the magnitude of biomechanical measures of medial knee load wh

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Ihmels, Wyatt D., Kayla D. Seymore, and Tyler N. Brown. "Effect of Sex and Ankle Brace Design on Knee Biomechanics During a Single-Leg Cut." American Journal of Sports Medicine 48, no. 6 (2020): 1496–504. http://dx.doi.org/10.1177/0363546520911048.

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Background: Despite success at preventing ankle sprain, prophylactics that restrict ankle plantarflexion motion may produce deleterious knee biomechanics and increase injury risk. Purpose: To determine if ankle prophylactics that restrict plantar- and dorsiflexion motion produce changes in knee biomechanics during a single-leg cut and whether those changes differ between sexes. Study Design: Controlled laboratory study. Methods: A total of 17 male and 17 female participants performed a single-leg cut with 4 conditions: Ankle Roll Guard (ARG), lace-up brace, nonelastic tape, and an unbraced con

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Okawa, Yasuaki, Yasuaki Saho, Kana Iwano, and Sayaka Yasui. "EFFECTIVENESS OF ECCENTRIC HIP ABDUCTION EXERCISE ON KNEE ABDUCTION MOMENT FOR ONE-YEAR FOLLOW-UP." British Journal of Sports Medicine 51, no. 4 (2017): 368.1–368. http://dx.doi.org/10.1136/bjsports-2016-097372.214.

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Linde, Lukas D., Jessica Archibald, Eve C. Lampert, and John Z. Srbely. "The Effect of Abdominal Muscle Activation Techniques on Trunk and Lower Limb Mechanics During the Single-Leg Squat Task in Females." Journal of Sport Rehabilitation 27, no. 5 (2018): 438–44. http://dx.doi.org/10.1123/jsr.2016-0038.

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Context: Females suffer 4 to 6 times more noncontact anterior cruciate ligament (ACL) injuries than males due to neuromuscular control deficits of the hip musculature leading to increases in hip adduction angle, knee abduction angle, and knee abduction moment during dynamic tasks such as single-leg squats. Lateral trunk displacement has been further related to ACL injury risk in females, leading to the incorporation of core strength/stability exercises in ACL preventative training programs. However, the direct mechanism relating lateral trunk displacement and lower limb ACL risk factors is not

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Hart, Joseph M., J. Craig Garrison, Riann Palmieri-Smith, D. Casey Kerrigan, and Christopher D. Ingersoll. "Lower Extremity Joint Moments of Collegiate Soccer Players Differ between Genders during a Forward Jump." Journal of Sport Rehabilitation 17, no. 2 (2008): 137–47. http://dx.doi.org/10.1123/jsr.17.2.137.

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Context:Lower extremity kinetics while performing a single-leg forward jump landing may help explain gender biased risk for noncontact anterior cruciate ligament injury.Objective:Gender comparison of lower extremity joint angles and moments.Design:Static groups comparison.Setting:Motion analysis laboratory.Patients or Other Participants:8 male and 8 female varsity, collegiate soccer athletes.Intervention:5 single-leg landings from a 100cm forward jump.Main Outcome Measures:Peak and initial contact external joint moments and joint angles of the ankle, knee, and hip.Results:At initial heel conta

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Hogg, Jennifer A., Randy J. Schmitz, and Sandra J. Shultz. "The Influence of Hip Structure on Functional Valgus Collapse During a Single-Leg Forward Landing in Females." Journal of Applied Biomechanics 35, no. 6 (2019): 370–76. http://dx.doi.org/10.1123/jab.2019-0069.

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Clinical femoral anteversion (Craig test) and hip range of motion (ROM) have been associated with valgus collapse, but their clinical usefulness in predicting biomechanics is unknown. Our purpose was to determine the individual and combined predictive power of femoral anteversion and passive hip ROM on 3-dimensional valgus collapse (hip internal rotation and adduction, knee rotation, and abduction) during a single-leg forward landing in females. Femoral anteversion and passive hip ROM were measured on 20 females (24.9 [4.1] y, 168.7 [8.0] cm, 63.8 [11.6] kg). Three-dimensional kinematics and k

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Durall, Christopher J., Thomas W. Kernozek, Melissa Kersten, Maria Nitz, Jonathan Setz, and Sara Beck. "Associations Between Single-Leg Postural Control and Drop-Landing Mechanics in Healthy Women." Journal of Sport Rehabilitation 20, no. 4 (2011): 406–18. http://dx.doi.org/10.1123/jsr.20.4.406.

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Context:Impaired postural control in single-limb stance and aberrant drop-landing mechanics have been implicated separately as risk factors for noncontact anterior cruciate ligament (ACL) injury, but associations between these variables has not been reported.Objective:To determine whether there are associations between single-limb postural control and drop-landing mechanics.Setting:University motion-analysis laboratory.Design:Single-leg-landing kinematic and kinetic data were collected after participants dropped from a hang bar. Postural-control variables COP excursion and velocity were assess

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Boldt, Andrew R., John D. Willson, Joaquin A. Barrios, and Thomas W. Kernozek. "Effects of Medially Wedged Foot Orthoses on Knee and Hip Joint Running Mechanics in Females With and Without Patellofemoral Pain Syndrome." Journal of Applied Biomechanics 29, no. 1 (2013): 68–77. http://dx.doi.org/10.1123/jab.29.1.68.

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We examined the effects of medially wedged foot orthoses on knee and hip joint mechanics during running in females with and without patellofemoral pain syndrome (PFPS). We also tested if these effects depend on standing calcaneal eversion angle. Twenty female runners with and without PFPS participated. Knee and hip joint transverse and frontal plane peak angle, excursion, and peak internal knee and hip abduction moment were calculated while running with and without a 6° full-length medially wedged foot orthoses. Separate 3-factor mixed ANOVAs (group [PFPS, control] x condition [medial wedge, n

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Yu, Peimin, Zhen Gong, Yao Meng, Julien S. Baker, Bíró István, and Yaodong Gu. "The Acute Influence of Running-Induced Fatigue on the Performance and Biomechanics of a Countermovement Jump." Applied Sciences 10, no. 12 (2020): 4319. http://dx.doi.org/10.3390/app10124319.

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Lower limb kinematics and kinetics during the landing phase of jumping might change because of localized muscle fatigue. This study aimed to investigate the acute influence of running-induced fatigue on the performance and lower limb kinematics and kinetics of a countermovement jump. A running-induced fatigue protocol was applied to fifteen male subjects. Participants were asked to perform three successful countermovement jumps before and after fatigue. Kinematic and kinetic data were collected to compare any fatigue influences. Wilcoxon signed-rank tests and paired-sample t-tests were used to

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Wimbish, Taylor G., Anh-Dung Nguyen, Jennifer Keith, and Kevin R. Ford. "Hip Strategy During Landing Reduces Knee Abduction Moment In Collegiate Soccer Players." Medicine & Science in Sports & Exercise 46 (May 2014): 410. http://dx.doi.org/10.1249/01.mss.0000494405.71227.3c.

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Yu, Bing, Eríc S. Growney, Diana K. Hansen, Marjorie E. Johnson, and Kai-Nan An. "Abduction/adduction moment at the knee in stair climbing and level walking." Gait & Posture 4, no. 2 (1996): 190. http://dx.doi.org/10.1016/0966-6362(96)80622-9.

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Kettlety, Sarah, Bryndan Lindsey, Oladipo Eddo, Matt Prebble, Shane Caswell, and Nelson Cortes. "Changes in hip mechanics during gait modification to reduce knee abduction moment." Journal of Biomechanics 99 (January 2020): 109509. http://dx.doi.org/10.1016/j.jbiomech.2019.109509.

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Sakurai, Aiko, Kengo Harato, Yutaro Morishige, Shu Kobayashi, Yasuo Niki, and Takeo Nagura. "Effects of Toe Direction on Biomechanics of Trunk, Pelvis, and Lower-Extremity During Single-Leg Drop Landing." Journal of Sport Rehabilitation 29, no. 8 (2020): 1069–74. http://dx.doi.org/10.1123/jsr.2019-0050.

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Context: Toe direction is an important factor affecting knee biomechanics during various movements. However, it is still unknown whether toe direction will affect trunk and pelvic movements. Objective: To examine and clarify the effects of toe directions on biomechanics of trunk and pelvis as well as lower-extremities during single-leg drop landing (SLDL). Design: Descriptive laboratory study. Setting: Research laboratory. Participants: A total of 27 male recreational-level athletes. Intervention(s): Subjects performed SLDL under 3 different toe directions, including 0° (toe neutral), 20° (toe

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Ulbricht, Hanna, Meijin Hou, Xiangbin Wang, Jian He, and Yanxin Zhang. "The Effect of Correction Algorithms on Knee Kinematics and Kinetics during Gait of Patients with Knee Osteoarthritis." Applied Bionics and Biomechanics 2020 (November 23, 2020): 1–8. http://dx.doi.org/10.1155/2020/8854124.

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In gait analysis, the accuracy of knee joint angles and moments is critical for clinical decision-making. The purpose of this study was to determine the efficacy of two existing algorithms for knee joint axis correction under pathological conditions. Gait data from 20 healthy participants and 20 patients with knee osteoarthritis (OA) were collected using a motion capture system. An algorithm based on Principal Component Analysis (PCA) and a functional joint-based algorithm (FJA) were used to define the knee joint flexion axis. The results show that PCA decreased crosstalk for both groups, and

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Ueno, Ryo, Alessandro Navacchia, Nathaniel A. Bates, Nathan D. Schilaty, Aaron J. Krych, and Timothy E. Hewett. "Analysis of Internal Knee Forces Allows for the Prediction of Rupture Events in a Clinically Relevant Model of Anterior Cruciate Ligament Injuries." Orthopaedic Journal of Sports Medicine 8, no. 1 (2020): 232596711989375. http://dx.doi.org/10.1177/2325967119893758.

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Background: A recently developed mechanical impact simulator induced an anterior cruciate ligament (ACL) rupture via the application of a combination of inverse dynamics–based knee abduction moment (KAM), anterior tibial shear force (ATS), and internal tibial rotation moment with impulsive compression in a cohort of cadaveric limbs. However, there remains an opportunity to further define the interaction of internal forces and moments at the knee and their respective influence on injury events. Purpose: To identify the influence of internal knee loads on an ACL injury event using a cadaveric im

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Criss, Cody R., Dustin R. Grooms, Jed A. Diekfuss, et al. "NEURAL ACTIVITY AND LANDING BIOMECHANICS: EXPLORING THE RELATIONSHIPS BETWEEN THE BRAIN, BODY, AND ACL INJURY-RISK." Orthopaedic Journal of Sports Medicine 9, no. 7_suppl3 (2021): 2325967121S0015. http://dx.doi.org/10.1177/2325967121s00151.

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Background: Anterior cruciate ligament (ACL) injuries predominantly occur via non-contact mechanisms, secondary to motor coordination errors resulting in aberrant frontal plane knee loads that exceed the thresholds of ligament integrity. However, central nervous system processing underlying high injury-risk motor coordination errors remain unknown, limiting the optimization of current injury reduction strategies. Purpose: To evaluate the relationships between brain activity during motor tasks with injury-risk loading during a drop vertical jump. Methods: Thirty female high school soccer player

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Lee, Soul, Lin Wang, and Jing Xian Li. "Effect of Asymmetrical Load Carrying on Joint Kinetics of the Lower Extremity During Walking in High-Heeled Shoes in Young Women." Journal of the American Podiatric Medical Association 106, no. 4 (2016): 257–64. http://dx.doi.org/10.7547/15-005.

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Background: Carrying a load asymmetrically and walking in high-heeled shoes are common in women. Knowledge of the effects of the two combined conditions on lower-limb kinetics is lacking. We sought to examine the effects of walking in high-heeled shoes and carrying an asymmetrical load on the joint kinetics of the lower extremity in young women. Methods: Fifteen participants were asked to walk in flat-heeled and 9-cm high-heeled shoes and to asymmetrically carry loads of 0% body weight (BW), 5% BW, and 10% BW. The three-dimensional joint moments of the hip, knee, and ankle in each of the walki

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Zamporri, Jacobo, and Arnel Aguinaldo. "The Effects of a Compression Garment on Lower Body Kinematics and Kinetics During a Drop Vertical Jump in Female Collegiate Athletes." Orthopaedic Journal of Sports Medicine 6, no. 8 (2018): 232596711878995. http://dx.doi.org/10.1177/2325967118789955.

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Background: The use of compression garments has spread rapidly among athletes, largely because of marketing and perceived benefits. Upon review, it is unclear whether compression garments have a significant effect on performance and recovery, although they have been found to enhance proprioception. Further, it is reported that compression of the knee joint improves both dynamic and static balance. However, there is currently a paucity of data demonstrating the effects of compression garments on the biomechanical risk factors of knee-related injuries in female athletes. Purpose: To evaluate the

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Haddas, Ram, C. Roger James, and Troy L. Hooper. "Lower Extremity Fatigue, Sex, and Landing Performance in a Population With Recurrent Low Back Pain." Journal of Athletic Training 50, no. 4 (2015): 378–84. http://dx.doi.org/10.4085/1062-6050-49.3.61.

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Context Low back pain and lower extremity injuries affect athletes of all ages. Previous authors have linked a history of low back pain with lower extremity injuries. Fatigue is a risk factor for lower extremity injuries, some of which are known to affect female athletes more often than their male counterparts. Objective To determine the effects of lower extremity fatigue and sex on knee mechanics, neuromuscular control, and ground reaction force during landing in people with recurrent low back pain (LBP). Design Cross-sectional study. Setting A clinical biomechanics laboratory. Patients or Ot

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Huang, Yu-Lun, Kuang-Wei Lin, Li-Wei Chou, and Eunwook Chang. "Immediate Effect of Anterior Cruciate Ligament Protective Knee Taping on Knee Landing Mechanics and Muscle Activations during Side Hops." International Journal of Environmental Research and Public Health 18, no. 19 (2021): 10110. http://dx.doi.org/10.3390/ijerph181910110.

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Athletic taping is widely used in sports to prevent injury. However, the effect of anterior cruciate ligament (ACL) protective taping on neuromuscular control during dynamic tasks remains unclear. Therefore, this study aimed to investigate the immediate effect of ACL protective taping on landing mechanics and muscle activations during side hops in healthy individuals. Fifteen healthy individuals (11 males and 4 females; age, 23.1 ± 1.4 years; height, 175.1 ± 10.4 cm; weight, 66.3 ± 11.2 kg) volunteered to participate in this study. Landing mechanics and muscle activations were measured while e

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Norcross, Marc F., Samuel T. Johnson, Christine D. Pollard, Eun Wook Chang, and Mark A. Hoffman. "Normalization influences knee abduction moment results: Could it influence ACL-injury research, too?" Journal of Science and Medicine in Sport 20, no. 4 (2017): 318–21. http://dx.doi.org/10.1016/j.jsams.2016.10.005.

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Lindsey, Bryndan, Oladipo Eddo, Shane V. Caswell, Matt Prebble, and Nelson Cortes. "Reductions in peak knee abduction moment in three previously studied gait modification strategies." Knee 27, no. 1 (2020): 102–10. http://dx.doi.org/10.1016/j.knee.2019.09.017.

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Yocum, Derek, Joshua T. Weinhandl, Jeffrey T. Fairbrother, and Songning Zhang. "Wide step width reduces knee abduction moment of obese adults during stair negotiation." Journal of Biomechanics 75 (June 2018): 138–46. http://dx.doi.org/10.1016/j.jbiomech.2018.05.002.

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Peebles, Alexander T., Blaise Williams, and Robin M. Queen. "Bilateral Squatting Mechanics Are Associated With Landing Mechanics in Anterior Cruciate Ligament Reconstruction Patients." American Journal of Sports Medicine 49, no. 10 (2021): 2638–44. http://dx.doi.org/10.1177/03635465211023761.

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Background: Proper lower extremity biomechanics during bilateral landing is important for reducing injury risk in athletes returning to sports after anterior cruciate ligament reconstruction (ACLR). Although landing is a quick ballistic movement that is difficult to modify, squatting is a slower cyclic movement that is ideal for motor learning. Hypothesis: There is a relationship between lower extremity biomechanics during bilateral landing and bilateral squatting in patients with an ACLR. Study Design: Descriptive laboratory study. Methods: A total of 41 patients after a unilateral ACLR (24 m

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Beaulieu, M. L., and R. M. Palmieri-Smith. "Real-time feedback on knee abduction moment does not improve frontal-plane knee mechanics during jump landings." Scandinavian Journal of Medicine & Science in Sports 24, no. 4 (2013): 692–99. http://dx.doi.org/10.1111/sms.12051.

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Lopes, Thiago Jambo Alves, Milena Simic, Gregory D. Myer, Kevin R. Ford, Timothy E. Hewett, and Evangelos Pappas. "The Effects of Injury Prevention Programs on the Biomechanics of Landing Tasks: A Systematic Review With Meta-analysis." American Journal of Sports Medicine 46, no. 6 (2017): 1492–99. http://dx.doi.org/10.1177/0363546517716930.

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Background: Anterior cruciate ligament (ACL) tear is a common injury in sports and often occurs during landing from a jump. Purpose: To synthesize the evidence on the effects of injury prevention programs (IPPs) on landing biomechanics as they relate to the ligament, quadriceps, trunk, and leg dominance theories associated with ACL injury risk. Study Design: Meta-analysis. Methods: Six electronic databases were searched for studies that investigated the effect of IPPs on landing task biomechanics. Prospective studies that reported landing biomechanics at baseline and post-IPP were included. Re

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Fukuchi, Claudiane A., Ryan T. Lewinson, Jay T. Worobets, and Darren J. Stefanyshyn. "Effects of Lateral and Medial Wedged Insoles on Knee and Ankle Internal Joint Moments During Walking in Healthy Men." Journal of the American Podiatric Medical Association 106, no. 6 (2016): 411–18. http://dx.doi.org/10.7547/15-077.

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Background: Wedged insoles have been used to treat knee pathologies and to prevent injuries. Although they have received much attention for the study of knee injury, the effects of wedges on ankle joint biomechanics are not well understood. This study sought to evaluate the immediate effects of lateral and medial wedges on knee and ankle internal joint loading and center of pressure (CoP) in men during walking. Methods: Twenty-one healthy men walked at 1.4 m/sec in five footwear conditions: neutral, 6° (LW6) and 9° (LW9) lateral wedges, and 6° (MW6) and 9° (MW9) medial wedges. Peak internal kn

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Collins, Amber, Troy Blackburn, Chris Olcott, Joanne M. Jordan, Bing Yu, and Paul Weinhold. "A Kinetic and Kinematic Analysis of the Effect of Stochastic Resonance Electrical Stimulation and Knee Sleeve During Gait in Osteoarthritis of the Knee." Journal of Applied Biomechanics 30, no. 1 (2014): 104–12. http://dx.doi.org/10.1123/jab.2012-0257.

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Extended use of knee sleeves in populations at risk for knee osteoarthritis progression has shown functional and quality of life benefits; however, additional comprehensive kinematic and kinetic analyses are needed to determine possible physical mechanisms of these benefits which may be due to the sleeve’s ability to enhance knee proprioception. A novel means of extending these enhancements may be through stochastic resonance stimulation. Our goal was to determine whether the use of a knee sleeve alone or combined with stochastic resonance electrical stimulation improves knee mechanics in knee

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Beegan, Chelsea, Catie Garcia, Christopher Hayes, Mary Lloyd Ireland, and Brian Noehren. "Does The Trunk Affect The Knee Abduction Moment During A Run To Cut Task?" Medicine & Science in Sports & Exercise 47 (May 2015): 855. http://dx.doi.org/10.1249/01.mss.0000479047.46356.ad.

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Seeley, Matthew K., Jihong Park, Daniel King, and J. Ty Hopkins. "A Novel Experimental Knee-Pain Model Affects Perceived Pain and Movement Biomechanics." Journal of Athletic Training 48, no. 3 (2013): 337–45. http://dx.doi.org/10.4085/1062-6050-48.2.02.

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Context: Knee injuries are prevalent, and the associated knee pain is linked to disability. The influence of knee pain on movement biomechanics, independent of other factors related to knee injuries, is difficult to study and unclear. Objective: (1) To evaluate a novel experimental knee-pain model and (2) better understand the independent effects of knee pain on walking and running biomechanics. Design: Crossover study. Setting: Biomechanics laboratory. Patients or Other Participants: Twelve able-bodied volunteers (age = 23 ± 3 years, height = 1.73 ± 0.09 m, mass = 75 ± 14 kg). Intervention(s)

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Hsieh, Y. F., and L. F. Draganich. "Increasing Quadriceps Loads Affect the Lengths of the Ligaments and the Kinematics of the Knee." Journal of Biomechanical Engineering 120, no. 6 (1998): 750–56. http://dx.doi.org/10.1115/1.2834889.

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The relationships between the lengths of the ligaments and kinematics of the knee and quadriceps load, for low to physiologic levels of quadriceps loads, have not previously been studied. We investigated the effects of increasing levels of quadriceps force, necessary to balance increasing levels of externally applied flexion moments, on the kinematics of the tibiofemoral joint and on the separation distances between insertions of selected fibers of the major ligaments of the knee in twelve cadavera. Static measurements were made using a six-degree-of-freedom digitizer for flexion angles rangin

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Ali, Nicholas, Gholamreza Rouhi, and Gordon Robertson. "Gender, Vertical Height and Horizontal Distance Effects on Single-Leg Landing Kinematics: Implications for Risk of non-contact ACL Injury." Journal of Human Kinetics 37, no. 1 (2013): 27–38. http://dx.doi.org/10.2478/hukin-2013-0022.

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There is a lack of studies investigating gender differences in whole-body kinematics during single-leg landings from increasing vertical heights and horizontal distances. This study determined the main effects and interactions of gender, vertical height, and horizontal distance on whole-body joint kinematics during single-leg landings, and established whether these findings could explain the gender disparity in non-contact anterior cruciate ligament (ACL) injury rate. Recreationally active males (n=6) and females (n=6) performed single-leg landings from a takeoff deck of vertical height of 20,

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Moffit, Tyler J., Melissa M. Montgomery, Robert G. Lockie, and Derek N. Pamukoff. "Association Between Knee- and Hip-Extensor Strength and Running-Related Injury Biomechanics in Collegiate Distance Runners." Journal of Athletic Training 55, no. 12 (2020): 1262–69. http://dx.doi.org/10.4085/1062-6050-0532.19.

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Context Running-related injuries are common in distance runners. Strength training is used for performance enhancement and injury prevention. However, the association between maximal strength and distance-running biomechanics is unclear. Objective To determine the relationship between maximal knee- and hip-extensor strength and running biomechanics previously associated with injury risk. Design Cross-sectional study. Setting Research laboratory. Patients or Other Participants A total of 36 collegiate distance runners (26 men, 10 women; age = 20.0 ± 1.5 years, height = 1.74 ± 0.09 m, mass = 61.

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Mueske, Nicole, Bridget G. O’Callahan, Mia J. Katzel, et al. "AGE, BODY MASS INDEX AND SEX RELATED TO DYNAMIC KNEE VALGUS AND SHOCK ABSORPTION DURING SINGLE LEG LANDING IN UNINJURED ADOLESCENT ATHLETES." Orthopaedic Journal of Sports Medicine 7, no. 3_suppl (2019): 2325967119S0012. http://dx.doi.org/10.1177/2325967119s00125.

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BACKGROUND Dynamic limb valgus and poor shock absorption strategies have been implicated in anterior cruciate ligament (ACL) injuries. Additionally, biomechanics during over ground and double leg landing tasks have been shown to differ depending on sex and age/maturation. However, there is limited evidence evaluating the effect of age, body mass index (BMI) and sex on single leg landing strategies. METHODS 51 uninjured athletes (ages 7-15 years, mean 12.2, SD 2.3; 45% female) completed the single leg hop (SLH) for distance task. 3-D motion analysis using a 6 degree-of-freedom model was used to

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