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:: Volume 20, Issue 6 (Bimonthly 2017) ::
Feyz 2017, 20(6): 557-565 Back to browse issues page
Relationship between 2D:4D digit ratio with waist to hip ratio, muscle mass and strength in postmenopausal women
Hamid Arazi *, Ehsan Eghbali, Seyyedeh Shiva Dadvand, Maryam Pahlevanzadeh
Department of Exercise Physiology, Faculty of Sport Sciences, University of Guilan, Rasht, I. R. Iran. , hamidarazi@yahoo.com
Abstract:   (3816 Views)

Background: In previous studies the ratio between 2D:4D hand digits was proposed as an indicator of testosterone level and can be related to aging-induced sarcopenia. Based on the notion, the aim of present study was to investigate the relationship between (2D:4D digit ratio and waist to hip ratio (WHR), muscle mass and strength in postmenopausal women.

Materials and Methods: One-hundred forty eight postmenopausal women (average age: 53.74±4.38 years) were selected purposefully. Anthropometric characteristics of subjects, skeletal muscle mass index, handgrip strength and quadriceps strength were measured.

Results: The results showed a significant negative correlation for 2D:4D digit ratio with handgrip strength and quadriceps muscle strength (r=-0.62, r=-0.51 and P<0.001). In addition, a weak negative correlation between the (2D:4D digit ratio and calf-circumference and skeletal muscle mass index (r=-0.21, P=0.008; r=-0.32, P=0.001, respectively) was observed, but there was no significant correlation between WHR and digit ratio (r=-0.14, P=0.08). Moreover, regression analysis showed that the 2D:4D digit ratio is a more predictive power for handgrip strength and quadriceps muscle strength (R2=0.38, R2=0.26, P<0.001, respectively).

Conclusion: Among the postmenopausal women the 2D: 4D digit ratio has a stronger correlation with handgrip strength and quadriceps muscle strength than the other variables. This finding can be used to check the possibility of reduced muscle strength in postmenopausal women.

Keywords: Digit (2D:4D) ratio, Postmenopausal women, Muscle strength, Muscle mass, Sarcopenia
Full-Text [PDF 369 kb]   (1358 Downloads)    
Type of Study: Research | Subject: General
Received: 2017/01/3 | Accepted: 2017/01/3 | Published: 2017/01/3
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Arazi H, Eghbali E, Dadvand S S, Pahlevanzadeh M. Relationship between 2D:4D digit ratio with waist to hip ratio, muscle mass and strength in postmenopausal women. Feyz. 2017; 20 (6) :557-565
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