Analysis of Joint Moment in Healthy Adults Ascending and Descending Steps.

ABSTRACT:The purpose of this study was to examine what influence different methods of descending stairs has on the lower extremity joints, with the consideration of securing safety for senior citizens and handicapped persons. Subjects were 11 healthy adult men. The angles of the lower limb joints and moments when descending forward, backwards, sideways with the swing leg diagonally forward (SF), and sideways with the swing leg diagonally behind (SB) were measured using a 3-dimensional motion analysis system combined with two force plates. It was found that the hip flexion angle and hip extension moment in the support leg decreased when descending forward and SF. On the other hand, the ankle dorsal flexion angle and plantar flexion moment, and the knee flexion angle and extension moment in the support leg decreased when descending backwards and SB. We suggest that SF may be a good alternative for descending forward, and SB may be a good alternative for descending backwards. We suggest that descending backwards and SB are suitable for knee and ankle dysfunctions, and descending forward and SF are suitable for hip dysfunctions. We confirmed that the difference in the method of stair descending influences the lower extremity joint angles and moments, and the methods taught to patients should be suitable to their situation.

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側方への降段が下肢関節角度および下肢関節モーメントに及ぼす影響

Hasegawa

Shimatani

Kanai

et al. 2007

Rigakuryoho kagaku

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Influence of Different Stairstep Heigth and Aging on the Toe Clearance during Stair-Climbing

Soma¹,

Miyazaki

Yamaguti

et al. 2009

Rigakuryoho kagaku

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The purpose of this study was to clarify the influence of different stairstep heights and aging on toe clearance during stair-climbing. [Subjects] The subjects were 10 young women and 10 community-dwelling elderly women. [Methods] We measured toe-clearance during stair-climbing with different stairstep heights: 5 cm, 10 cm and 15 cm. [Results] Two-way ANOVA showed that toe clearance of the elderly were significantly greater than toe clearance of the young regardless of stairstep height. [Conclusion] The results suggest that during stair-climbing feedback on toe clearance was received from the first step, leading to adjustment in subsequent steps, which was unaffected by differences in stairstep height.

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Analysis of Joint Moment in Healthy Adults Ascending and Descending Steps.

Cited by 2 publications

References 5 publications

側方への降段が下肢関節角度および下肢関節モーメントに及ぼす影響

側方への降段が下肢関節角度および下肢関節モーメントに及ぼす影響

Influence of Different Stairstep Heigth and Aging on the Toe Clearance during Stair-Climbing

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