Axes of joint rotation of the lumbar vertebrae during abdominal strengthening exercises

  • B. F. LeVeau
Chapter
Part of the International Series on Sport Sciences book series (MMSS)

Abstract

Movements between individual lumbar vertebrae occur because of compression and tension on the intervertebral discs which lie between adjacent vertebral bodies. Schmorl and Junghanns (1971) call these individual areas “motor segments,” that is, the motor spaces arranged between the bony vertebrae. The motor segments that maintain their own posture through tension from the nucleus pulposus make up a single joint. The nucleus pulposus is the articular cavity; the anulus fibrosus makes up the articular ligaments; and the cartilaginous plates on the joint surface of the vertebral bodies comprise the articular cartilage.

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Copyright information

© University Park Press 1974

Authors and Affiliations

  • B. F. LeVeau
    • 1
  1. 1.University of North CarolinaChapel HillUSA

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