Relevant bibliographies by topics / Co-contraction index

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Co-contraction index'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Co-contraction index"

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Seth, Deep, Damien Chablat, Fouad Bennis, Sophie Sakka, Marc Jubeau, and Antoine Nordez. "Validation of a New Dynamic Muscle Fatigue Model and DMET Analysis." International Journal of Virtual Reality 16, no. 1 (2016): 22–32. http://dx.doi.org/10.20870/ijvr.2016.16.1.2879.

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Automation in industries reduced the human effort, but still there are many manual tasks in industries which lead to musculo-skeletal disorder (MSD). Muscle fatigue is one of the reasons leading to MSD. The objective of this article is to experimentally validate a new dynamic muscle fatigue model taking cocontraction factor into consideration using electromyography (EMG) and Maximum voluntary contraction (MVC) data. A new model (Seth's model) is developed by introducing a co-contraction factor 'n' in R. Ma's dynamic muscle fatigue model. The experimental data of ten subjects are used to analyz
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Kellis, E., F. Arabatzi, and C. Papadopoulos. "Muscle co-activation around the knee in drop jumping using the co-contraction index." Journal of Electromyography and Kinesiology 13, no. 3 (2003): 229–38. http://dx.doi.org/10.1016/s1050-6411(03)00020-8.

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Stebbins, Charles L., Buddy Walser, and Mehrdad Jafarzadeh. "Cardiovascular responses to static and dynamic contraction during comparable workloads in humans." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 283, no. 3 (2002): R568—R575. http://dx.doi.org/10.1152/ajpregu.00160.2002.

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Previous studies suggest that the blood pressure response to static contraction is greater than that caused by dynamic exercise. In anesthetized cats, however, pressor responses to electrically induced static and dynamic contraction of the same muscle group are similar during equivalent workloads and peak tension development [i.e., similar tension-time index (TTI)]. To determine if the same relationship exists in humans, where contraction is voluntary and central command is present, dynamic (180 s; 1/s) and static (90 s) contractions at 30% of maximal voluntary contraction (MVC) were performed
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Osu, Rieko, Naoki Kamimura, Hiroshi Iwasaki, et al. "Optimal Impedance Control for Task Achievement in the Presence of Signal-Dependent Noise." Journal of Neurophysiology 92, no. 2 (2004): 1199–215. http://dx.doi.org/10.1152/jn.00519.2003.

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There is an infinity of impedance parameter values, and thus different co-contraction levels, that can produce similar movement kinematics from which the CNS must select one. Although signal-dependent noise (SDN) predicts larger motor-command variability during higher co-contraction, the relationship between impedance and task performance is not theoretically obvious and thus was examined here. Subjects made goal-directed, single-joint elbow movements to either move naturally to different target sizes or voluntarily co-contract at different levels. Stiffness was estimated as the weighted summa
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Schencke, Carolina, Adriana Vasconcellos, Cristian Sandoval, Paulina Torres, Francisca Acevedo, and Mariano del Sol. "Morphometric evaluation of wound healing in burns treated with Ulmo (Eucryphia cordifolia) honey alone and supplemented with ascorbic acid in guinea pig (Cavia porcellus)." Burns & Trauma 4 (October 3, 2016): 1–9. http://dx.doi.org/10.1186/s41038-016-0050-z.

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Abstract Background In the context of the search for cost-efficient treatments, Ulmo (Eurcyphia cordifolia) honey is an excellent alternative for treating burn wounds and could have a profound medical, social, and economic impact. Ascorbic acid is an enzymatic co-factor necessary for the synthesis of collagen and the proliferation of fibroblasts and has been proposed as a coadjuvant to strengthen the healing effects of honey. The aim of this work was to evaluate by morphometric studies the healing wounds caused by burns treated with Ulmo honey alone and supplemented with ascorbic acid in guine
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Kiewiet, H., V. E. Bulsink, F. Beugels, and H. F. J. M. Koopman. "The co-contraction index of the upper limb for young and old adult cyclists." Accident Analysis & Prevention 105 (August 2017): 95–101. http://dx.doi.org/10.1016/j.aap.2016.04.036.

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Bian, Feifei, Danmei Ren, Ruifeng Li, and Peidong Liang. "Improving stability in physical human–robot interaction by estimating human hand stiffness and a vibration index." Industrial Robot: the international journal of robotics research and application 46, no. 4 (2019): 529–40. http://dx.doi.org/10.1108/ir-05-2018-0111.

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Purpose The purpose of this paper is to eliminate instability which may occur when a human stiffens his arms in physical human–robot interaction by estimating the human hand stiffness and presenting a modified vibration index. Design/methodology/approach Human hand stiffness is first estimated in real time as a prior indicator of instability by capturing the arm configuration and modeling the level of muscle co-contraction in the human’s arms. A time-domain vibration index based on the interaction force is then modified to reduce the delay in instability detection. The instability is confirmed
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Hill, Christopher M., Hunter DeBusk, Adam C. Knight, and Harish Chander. "Military-Type Workload and Footwear Alter Lower Extremity Muscle Activity during Unilateral Static Balance: Implications for Tactical Athletic Footwear Design." Sports 8, no. 5 (2020): 58. http://dx.doi.org/10.3390/sports8050058.

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Maintaining upright standing balance is critical for military personal. The impact of military footwear and occupation-related fatigue on muscle activity during balance performance has been previously documented. However, the current literature has not provided a muscle activation profile of the lower extremity during challenging conditions such as unilateral balance trials. Twenty-two recreationally active male participants (age: 22.2 ± 2.7 years; height: 177 ± 6.8 cm; mass: 79.8 ± 9.7 kg) donned two styles of military footwear (minimalist and standard) and performed a military style workload
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Mohr, Maurice, Kristin Lorenzen, Luz Palacios-Derflingher, Carolyn Emery, and Benno M. Nigg. "Reliability of the knee muscle co-contraction index during gait in young adults with and without knee injury history." Journal of Electromyography and Kinesiology 38 (February 2018): 17–27. http://dx.doi.org/10.1016/j.jelekin.2017.10.014.

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Elias, Audrey R. C., Kari J. Harris, Paul C. LaStayo, and Ryan L. Mizner. "Clinical Efficacy of Jump Training Augmented With Body Weight Support After ACL Reconstruction: A Randomized Controlled Trial." American Journal of Sports Medicine 46, no. 7 (2018): 1650–60. http://dx.doi.org/10.1177/0363546518759052.

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Background: Limited knee flexion and increased muscle co-contraction during jump landing are believed to diminish outcomes after anterior cruciate ligament (ACL) reconstruction. The efficacy of jump training to improve patients’ mechanical and neuromuscular deficits is understudied. Hypothesis: Jump training will improve functional, mechanical, and neuromuscular outcomes and higher repetition training augmented by body weight support will result in better retention of gains. Study Design: Randomized controlled trial; Level of evidence, 1. Methods: Thirty athletes (18 months after surgery) were
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Dissertations / Theses on the topic "Co-contraction index"

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Le, Peter Phuong. "A Method to Describe Coactivation for the Lumbar and Cervical Spine." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1479207898554988.

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Lommen, Jonathan Lyon Jacob. "Effects of Transcranial Direct-Current Stimulation on Gait Initiation in People with Parkinson’s Disease." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39959.

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Background: Gait initiation is a major issue in Parkinson’s disease (PD). Moreover, the effect of current treatment on motor deficits vary alongside individual differences and disease severity. In some cases, postural instability has been documented as a major side-effect and refractory symptom to dopaminergic medication. Despite these shortcomings, research involving other forms of therapy including deep brain stimulation (DBS) and transcranial magnetic stimulation (TMS), has evidenced the improvement of postural deficits in PD. In this regard, there is a strong rational for the modulation of
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Mašková, Klára. "Elektromyografická analýza vybraných svalů dolní končetiny u kitesurfařů." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-325090.

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Title: Electromyographic analysis of selected muscles of lower extremity of kitesurfers. Objective: The goal of thesis is to determine muscle groups, which are the most active during the kitesurfing position and compare the values in increasing time spent in this position. Furthermore, to determine a degree of co-contraction level between m. quadriceps femoris and m. biceps femoris. According to the enlarging number of riders in kitesurfing population the goal is to compare results between professional and recreant riders and determine statisticaly significant differences. Methods: This thesis
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Conference papers on the topic "Co-contraction index"

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Annese, V. F., and D. De Venuto. "Fall-risk assessment by combined movement related potentials and co-contraction index monitoring." In 2015 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2015. http://dx.doi.org/10.1109/biocas.2015.7348366.

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