J Biomed Eng. 1989 May;11(3):219-23.

Rotational mobility of the human back in forward flexion.

Source

Bioengineering Research Group, University of Durham, Science Laboratories, UK.

Abstract

This paper describes the measurement of the ability of the human back to twist when in flexed postures using a new electromagnetic measurement device. The mobility of the lumbar spine in 12 normal male subjects was investigated and it was demonstrated that increased rotation was possible when in a flexed posture. This suggests that the intervertebral disc may be vulnerable to torsion when twisting is combined with sub-maximal sagittal flexion.

PMID:: 2724943; [PubMed - indexed for MEDLINE]

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Twisting of the human back in forward flexion. [Proc Inst Mech Eng H. 1989]
Twisting of the human back in forward flexion.
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Review [Movements of the lumbar spine. A biomechanical study].
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Cited by 1 PubMed Central article

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Rotational mobility of the human back in forward flexion.

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