PMID: 8964771Apr 1, 1996Paper

Role of the muscle belly and tendon of soleus, gastrocnemius, and plantaris in mechanical energy absorption and generation during cat locomotion

Journal of Biomechanics
B I PrilutskyT L Allinger

Abstract

The functional significance of tendons, and the differences in tendon properties among synergistic muscles, is not well established for normal locomotion. Previous studies have suggested that tendons may store mechanical energy during the early phase of support, and then release this energy during the late phase of support. The storage and release of mechanical energy by tendons may modify the velocity of shortening and elongation and the power produced by the muscle belly and the fibers, and may influence the metabolic cost of locomotion. The aims of this study were (1) to estimate the amount of negative and positive work done by the tendon and the muscle belly of the cat soleus (SO), gastrocnemius (GA), and plantaris (PL), and (2) to determine the relative contribution of the elastic energy stored in the tendons to the total mechanical work done by these three muscles during walking and trotting. Forces of SO, GA, and PL muscles were measured using standard force transducers in three cats walking and trotting at speeds of 0.4-1.8 ms-1 on a motor-driven treadmill. Video records and a geometrical model of the cat hindlimb were used for calculating length of the muscle-tendon complexes of SO, GA, and PL during locomotion. Instan...Continue Reading

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Citations

Dec 20, 2005·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Laura A QuimbySasha N Zill
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Dec 10, 2018·ACS Biomaterials Science & Engineering·Dandan PeiShaobao Liu

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