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Investigating centre of mass stabilisation as the goal of posture and movement coordination during human whole body reaching

Stapley, P ; Pozzo, T ; Grishin, A ; Papaxanthis, C

Biological cybernetics, February 2000, Vol.82(2), pp.161-72 [Tạp chí có phản biện]

ISSN: 0340-1200 ; PMID: 10664103 Version:1

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  • Nhan đề:
    Investigating centre of mass stabilisation as the goal of posture and movement coordination during human whole body reaching
  • Tác giả: Stapley, P ; Pozzo, T ; Grishin, A ; Papaxanthis, C
  • Chủ đề: Body Weight -- Physiology ; Movement -- Physiology ; Postural Balance -- Physiology ; Posture -- Physiology ; Psychomotor Performance -- Physiology
  • Là 1 phần của: Biological cybernetics, February 2000, Vol.82(2), pp.161-72
  • Mô tả: In the light of experimental results showing significant forward centre of mass (CoM) displacements within the base of support, this study investigated if whole body reaching movements can be executed whilst keeping the CoM fixed in the horizontal axis. Using kinematic simulation techniques, angular configurations were recreated from experimental data imposing two constraints: a constant horizontal position of the CoM and an identical trajectory of the hand to grasp an object. The comparison between recorded and simulated trials showed that stabilisation of the CoM was associated with greater backward hip displacements, which became more marked with increasing object distance. This was in contrast to recorded trials showing reductions in backward hip displacements with increasing distance. Results also showed that modifications to angular displacements were necessary only at the shoulder and hip joints, but that these modifications were within the limits of joint mobility. The analysis...
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0340-1200 ; PMID: 10664103 Version:1

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