Allometry of the leg muscles of birds
Allometry of the leg muscles of birds
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DOI：
10.1111/j.1469-7998.1996.tb05404.x
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发表时间：
1996-03-01
影响因子：
2
通讯作者：
Bennett, MB
中科院分区：
文献类型：
--
作者：
Bennett, MB
对20种鸟类后肢的肌肉骨骼成分进行了研究，这些鸟类被认为是非跑步者。异速生长被用来比较这些数据与以前发表的信息的四肢奔跑的鸟类。在非跑步者中，指屈肌肌肉和肌腱区域大致等比例缩放，而跑步者的肌腱区域指数较低。不跑步的鸟的肌肉纤维面积大约是同等质量的跑步者的一半。在两组中，肌肉：肌腱面积比m。腓肠肌随M（0.13）增加，表明除弹性储能外的因素也很重要。跑步者表现出相对较长的胫跗骨和跗跖骨和较短的脚趾。除了极少数例外，骨骼的线性尺寸，肌腱横截面积，肌肉质量和纤维面积在非运行的鸟类的腿密切缩放根据几何相似性的要求，但置信限往往很宽。鸟类几何相似性的偏差反映了运动行为和能力的差异。
The musculoskeletal components of the hindlimbs of 20 species of birds, considered non-runners, were examined. Allometry was used to compare these data with previously published information on the limbs of running birds. In non-runners the digital flexor muscle and tendon areas scaled approximately isometrically, in contrast to running birds where tendon areas had a lower exponent. Non-running birds had muscle fibre areas approximately half that of runners of equal mass. In both groups, the muscle:tendon area ratio for m. gastrocnemius increased as M(0.13), suggesting factors other than elastic energy storage are important. Runners exhibited relatively longer tibiotarsi and tarsometatarsi and shorter toes. With very few exceptions, the linear dimensions of bones, tendon cross-sectional areas, and muscle masses and fibre areas in the legs of the non-running birds scaled closely according to the requirements for geometric similarity, but the confidence limits are often wide. Deviations from geometric similarity in birds reflect differences in locomotor behaviours and abilities.