Key result
Avian posterior latissimus dorsi unloaded shortening velocity increases ~2.3-fold from embryonic day 15 to post-hatching.
Authors
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Avian skeletal muscle data extend developmental physiology; leaves open translation to mammalian cardiac maturation or disease.
Reiser et al. (1982) studied Avian myogenesis. Developmental stage (embryonic day 15 to 2 weeks post-hatching) was evaluated on Isometric twitch and tetanic contractile properties and velocity of unloaded shortening (V0). The velocity of unloaded shortening in avian posterior latissimus dorsi muscle increased 2.3-fold between embryonic day 15 and the first 2 weeks post-hatching.
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