Comparison of grip and pinch strength in young women with and without hyperkyphosis: A cross-sectional study

Hyperkyphosis is a common postural defect with high prevalence in the 20 to 50 year old population. It appears to compromise proximal scapular stability. Grip and pinch strength are used to evaluate general upper extremity function. The aim of this study was to compare pinch and grip strength betwee...

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Bibliographic Details
Published in:Journal of back and musculoskeletal rehabilitation 2019-01, Vol.32 (1), p.21-26
Main Authors: Kordi Yoosefinejad, Amin, Ghaffarinejad, Farahnaz, Hemati, Mahbubeh, Jamshidi, Narges
Format: Article
Language:English
Subjects:
Body mass index
Cross-sectional studies
Kyphosis
Posture
Womens health
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Summary:Hyperkyphosis is a common postural defect with high prevalence in the 20 to 50 year old population. It appears to compromise proximal scapular stability. Grip and pinch strength are used to evaluate general upper extremity function. The aim of this study was to compare pinch and grip strength between young women with and without hyperkyphosis. Thirty young women (18-40 years old) with hyperkyphosis and 30 healthy women matched for age and body mass index participated in the study. Hyperkyphosis was confirmed by measuring the kyphosis angle with a flexible ruler. Grip strength was measured with the Waisa method and a dynamometer. Pinch strength was assessed with a pinch meter. Grip (P= 0.03) and pinch strength (P= 0.04) were significantly lower in women with hyperkyphosis compared to the control group. Kyphosis angle correlated weakly with grip (r= 0.26) and pinch strength (r= 0.23). Hyperkyphotic posture has led to decreased grip and pinch strength compared to people without hyperkyphosis.
ISSN:1053-8127
1878-6324
DOI:10.3233/BMR-170932