Footfall patterns in the early development of the quadrupedal walking of Japanese macaques
Footfall patterns in the early development of the quadrupedal walking of Japanese macaques
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DOI：
10.1159/000157189
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发表时间：
1996-01-01
影响因子：
1.9
通讯作者：
Nakano, Y
中科院分区：
文献类型：
--
作者：
Nakano, Y
研究了日本猕猴（Macaca fuscata）幼猴四足行走的发育过程。用摄像机拍摄了5只猴子行走的侧面画面，并记录了着陆和升空的时间。试验总数为435例。在发展过程中，客流形态的变化是复杂的。就像在行为研究中一样，可以区分出四个阶段。在第一阶段，有很大的变化。优势拍式为对角线序列，包括第二阶段的任何形式的对联和第三阶段的小跑。第四阶段出现了对角序列对角对联和侧向序列对偶两组步法。这些阶段似乎反映了神经系统和肌肉骨骼系统发展的各个方面。
The development of quadrupedal walking in infant Japanese macaques (Macaca fuscata) was studied on the basis of their footfall patterns. Lateral views of the walking of 5 monkeys were taken by a video-camera and the timing of touchdown and liftoff was recorded. The total number of trials was 435. The change of footfall pat terns during development was complicated. Four stages could be discerned, as in behavioural studies. In the first stage, there was a wide variation. The dominant pat terns were the diagonal sequence which included any type of couplet in the second stage and trot in the third stage. There were two groups of footfall patterns in the fourth stage which were the diagonal sequence - diagonal couplet and the lateral sequence - lateral couplet. It seems that the stages reflect aspects of the development of both the neural system and the musculoskeletal system.