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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE

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Gazzetta Medica Italiana Archivio per le Scienze Mediche 2012 April;171(2):123-30

Copyright © 2012 EDIZIONI MINERVA MEDICA

language: English

Characteristics of the subjective, stabilization and mobilization preference leg: the relationship between these preference legs and the leg used for stabilization and mobilization activities

Sato S. 1, Demura S. 2

1 Life-long Sports, Kanazawa Institute of Technology, Nonoichi, Ishikawa, Japan; 2 Graduate School of Natural Science and Technology, Kanazawa University, Nonoichi, Ishikawa, Japan


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Aim. This study aimed to determine relationships between the subjective preference leg and the mobilization and stabilization preference legs. Further, the study was designed to clarify relationships between these preference legs and the leg used for mobilization and stabilization activities among 2557 Japanese adults (1565 males and 992 females).
Methods. We investigated the subjective preference leg and the leg used for four stabilization activities (hopping, long jump, high jump, and stepping on a chair) and four mobilization activities (writing name, picking up with toe, kicking a ball, and stamping an object). The laterality quotient coefficient (LQ) was calculated for individuals to determine the stabilization and mobilization preference legs respectively. The consistencies among the three types of preference leg (subjective, stabilization, and mobilization), were calculated. To examine the relationship between each preference leg and the leg used for each stabilization and mobilization activity, the lambda coefficient (λ) was calculated for each activity.
Results. The subjective preference leg corresponded more with the mobilization preference leg (78.5%) than the stabilization preference leg (58.5%). The subjective right-footer tended to use the right leg for both of the mobilization and stabilization activities. In contrast, the subjective left-footer tended to use the left leg for the stabilization activities but use the right leg for the mobilization activities, and their determination of the preference leg was more influenced by the stabilization preference leg. Further, the consistency of the mobilization and stabilization preference leg was about 60%, and about one of four persons tended to use the right leg for the mobilization activities and the left leg for the stabilization activities.
Conclusion. These characteristics may be influenced by the specificity of bilateral lower limb activities that are forced to play two different roles in mobilization and postural support at that time.

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