| Autor: |
Morimoto A; Faculty of Sport and Health Science, Ritsumeikan University: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan., Suga T; Faculty of Sport and Health Science, Ritsumeikan University: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan., Tottori N; Faculty of Sport and Health Science, Ritsumeikan University: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan., Wachi M; Faculty of Sport and Health Science, Ritsumeikan University: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan.; Kanazawa Orthopaedic & Sports Medicine Clinic, Japan., Misaki J; Faculty of Sport and Health Science, Ritsumeikan University: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan., Tsuchikane R; Faculty of Sport and Health Science, Ritsumeikan University: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan., Isaka T; Faculty of Sport and Health Science, Ritsumeikan University: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan. |
| Abstrakt: |
[Purpose] Handgrip strength is a surrogate indicator for assessing disease-related and age-related skeletal muscle loss. Clinical utility as such a surrogate can be at least partially explained by the close relationship between handgrip strength and whole-body skeletal muscle mass. The handgrip strength is related to hand muscle size. Thus, the present study examined whether hand muscle thickness is associated with whole-body skeletal muscle mass. [Subjects and Methods] Thirty healthy male adults participated in this study. All subjects were right-hand dominant. Two muscle thicknesses (lumbrical and interosseous muscles) in the right hand were measured using ultrasonography. Whole-body and appendicular skeletal muscle masses were assessed using dual-energy X-ray absorptiometry. [Results] Although lumbrical muscle thickness was not correlated with whole-body skeletal muscle mass, there was a significant correlation with appendicular skeletal muscle mass. Furthermore, interosseous muscle thickness was significantly correlated with both whole-body and appendicular skeletal muscle masses. [Conclusion] The present findings suggest that two muscle thicknesses in the hand are related to whole-body and/or appendicular skeletal muscle mass in healthy adults. Therefore, we propose that despite being smaller than other limb muscles, hand muscle thickness may be useful as surrogate indicator for assessing disease-related and age-related skeletal muscle loss. |
