shortening velocity
The Maximum Shortening Velocity of Holothurian Muscle and Effects of Tonicity Change on it
... The maximum shortening velocity of the longitudinal retractor muscle of the holothurian, Isostichopus badionotus, was measured using a 'slack test' in solutions of normal, increased and [r] ...
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Relationship of quadriceps muscle power and optimal shortening velocity with angiotensin-converting enzyme activity in older women
... Conclusion: Serum ACE activity was not associated with muscle strength, power and functional performance in both ASBM users and nonusers, but was associated with optimal shortening velocity of quadriceps ...
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Optimal shortening velocity (V/Vmax) of skeletal muscle during cyclical contractions: length force effects and velocity dependent activation and deactivation
... 1996). Shortening of a fully stimulated muscle causes a reduction in the ability of the muscle to produce force, an effect that has been termed a force deficit or depression (Edman, 1980; Granzier and Pollack, ...
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The slack test does not assess maximal shortening velocity of muscle fascicles in humans
... originate from the time required for the human contractile component to effectively become slack (i.e. loaded period) and the involvement of compliant tendinous tissues. Indeed, the contribution of tendinous tissues ...
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Complex myograph allows the examination of complex muscle contractions for the assessment of muscle force, shortening, velocity, and work in vivo
... the shortening can be limited without interfering with the rotation of the axle and with the muscle contraction, ...maximal shortening, velocity, and work. Velocity charac- terizes a muscle ...
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The influence of temperature on muscle function in the fast swimming scup I Shortening velocity and muscle recruitment during swimming
... Sarcomere length excursion, tail-beat frequency and muscle velocity as a function of swimming speed at 10°C • and 20°C A in the middle and posterior positions on the fish.. Points are [r] ...
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Effects of temperature and force requirements on muscle work and power output
... when shortening at any force, and temperature effects are greater at higher ...when shortening with intermediate and high forces ( ≥ 30% peak isometric tetanic ...force). Shortening velocity ...
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Neuromuscular Function Following Lengthening Contractions
... thus shortening the muscle while stretching the spring and experiencing unaccustomed lengthening during the spring ...repetitive shortening or sustained isometric ...and velocity changes from zero, ...
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Work dependent deactivation of a crustacean muscle
... loaded shortening than following unloaded shortening or during isometric contraction (Sugi and Tsuchiya, 1988; Edman et ...loaded shortening is presumably a consequence of differences in the ...
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Fast muscle in squid (Loligo pealei): contractile properties of a specialized muscle fibre type
... sliding velocity are similar. Thus, differences in shortening velocity between the muscle types are predicted to be due primarily to differences in the thick filament ...the shortening ...
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Streptozotocin-induced diabetes prolongs twitch duration without affecting the energetics of isolated ventricular trabeculae
... on shortening velocity is not consistent with those studies showing a shift of myosin heavy-chain expression from the α to the β isoform ...the velocity of shortening of diabetic preparations ...
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The scaling of acceleratory aquatic locomotion: body size and tail flip performance of the california spiny lobster panulirus interruptus
... muscle shortening velocity decreases with growth; the sustained acceleration performance (similar to findings for shrimp and fish fast-starts) suggests that muscle force output may increase at a greater ...
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Differences in contractile behaviour between the soleus and medial gastrocnemius muscles during human walking
... energy consumption (Roberts et al., 1998). Alternatively, activation of synergistic muscles such as soleus may be increased (Cronin et al., 2011b; Lichtwark and Wilson, 2008). Although this would still increase energy ...
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The energetic cost of activation of white muscle fibres from the dogfish Scyliorhinus canicula
... steady-velocity shortening is ...during shortening under maximum efficiency ...during shortening, because the rate of energy output is larger during shortening, mainly due to high ...
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Myocardial Force Velocity Relations Studied in Intact Unanesthetized Man
... Thus, in intact, conscious man, the heart displays the same reciprocal relation between velocity of shortening and generation of force observed in isolated papillary muscle, and a change[r] ...
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A non linear mechanical model of a non spiking muscle receptor
... In addition to the foregoing response features, the model can simulate the symmetrical negative velocity response of the S fibre during receptor shortening, and also that of the T fibre [r] ...
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Kounis Syndrome together with Myocardial Bridging Leading to Acute Myocardial Infarction at Young Age
... rate, shortening of diastole, increased myocardial contraction and flow velocity, and all causes leading to coronary spasm like exercise, drugs, or allergic reactions can cause ischemia in patients with ...
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Effects of Catecholamines, Exercise, and Nitroglycerin on the Normal and Ischemic Myocardium in Conscious Dogs
... pressure, velocity of shortening, dP/dt, dP/dt/P, arterial pressure, left circumflex coronary blood flow, and coronary vascular resistance were examined in healthy conscious dogs with normal coronary ...
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Effects of exercise on myocardial force velocity relations in intact unanesthetized man: relative roles of changes in heart rate, sympathetic activity, and ventricular dimensions
... Similarly, the mean systolic ejection rate, i.e., the stroke volume divided by the duration of ejection, did not reflect the velocity of myocardial fiber shortening in all instances, sin[r] ...
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BODY SIZE, MUSCLE POWER OUTPUT AND LIMITATIONS ON BURST LOCOMOTOR PERFORMANCE IN THE LIZARD DIPSOSAURUS DORSALIS
... Why power output declines at low cycle frequencies is not obvious. For animals of all size there is a bell-shaped relationship between operating frequency and power output (Fig. 2). The power output at the optimal cycle ...
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