Computational Simulations of Load-Dependent Myosin Kinetics during Muscle Shortening and Lengthening
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چکیده
منابع مشابه
Ulnar lengthening and shortening.
Alteration in length of the distal ulna may provide an attractive alternative to more destructive procedures commonly used for the treatment of mechanical and degenerative problems at the distal radioulnar joint. Ulnar recession has shown effectiveness in ulnolunate impingement, triangular fibrocartilage tears, and symptomatic ulnar plus variance. It has also been effective in chondromalacia of...
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The H-reflex is dependently modulated during isometric and anisometric muscle actions. However, the manner of the H-reflex modulation during dynamic muscle movements in relation to ageing is less stated in the literature. This study was designed to investigate the effects of ageing on soleus (SOL) H-reflex modulation during dynamic muscle actions. Twenty young (24 ± 4 years of age) and 20 older...
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Introduction It has been argued that modulation of the H-reflex during dynamic activities reflects changes in motoneurone excitability brought about to suit the functional demands of the task (Capaday et al., 1987). H-reflex modulation has been examined during passive changes in muscle length (Robinson et al., 1982), active and passive stepping and cycling movements (Brooke et al., 1995) and du...
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The aim of the present study was to investigate the behavior of human muscle fascicles during dynamic contractions. Eight subjects performed maximal isometric dorsiflexion contractions at six ankle joint angles and maximal isokinetic concentric and eccentric contractions at five angular velocities. Tibialis anterior muscle architecture was measured in vivo by use of B-mode ultrasonography. Duri...
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The central nervous system employs different strategies to execute specific motor tasks. Because afferent feedback during shortening and lengthening muscle contractions differs, the neural strategy underlying these tasks may be quite distinct. Cortical drive may be adjusted or afferent input regulated. The exact mechanisms are not clear. Here, we examine the control of synaptic transmission acr...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2017
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2016.11.654