Document Detail

Monkey performance: the development of bipedalism in trained Japanese monkeys.
MedLine Citation:
PMID:  1523956     Owner:  NLM     Status:  MEDLINE    
A series of studies collaborated by the Suo-sarumawashi (Japanese Monkey Performance) revealed the potential for bipedalism in Japanese monkey. The long-term training which aimed at stable upright posture introduced marked lumbar lordosis in monkeys. This feature is comparable to the humans' condition not only morphologically, but also functionally. The developed lordosis was retained even in normal pronograde posture of the monkeys. Bone remodeling in the postcranial skeleton also evidenced functional adaptations for stresses induced by sustained bipedalism. Postcrania of a trained monkey showed highly increased structural strength of bones and relatively large articular dimensions. Despite such adaptations, modifications of hindlimb bones were rather distinctive from humans' condition. This indicates a compromise between functional necessity and genetically determined anatomy. The hindlimb of Japanese monkey seemed to be more specialized for quadrupedal locomotion in many aspects compared to the vertebral column.
S Hayama; M Nakatsukasa; Y Kunimatsu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Kaibogaku zasshi. Journal of anatomy     Volume:  67     ISSN:  0022-7722     ISO Abbreviation:  Kaibogaku Zasshi     Publication Date:  1992 Jun 
Date Detail:
Created Date:  1992-10-13     Completed Date:  1992-10-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0413526     Medline TA:  Kaibogaku Zasshi     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  169-85     Citation Subset:  IM    
Department of Anatomy, Kansai Medical University, Osaka, Japan.
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MeSH Terms
Lumbar Vertebrae / anatomy & histology*,  radiography
Macaca / anatomy & histology*,  physiology
Stress, Mechanical

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