Abstract
This study evaluated sex differences in static lifting strengths (LS) at various exertion heights. Healthy adult young men (n=50; M age=23.4 yr., SD=2.3) and women (n=50; M age=22.5 yr., SD=2.8) were used as participants, and their static lifting strengths were measured at various heights (10 to 150 cm, in increments of 10 cm). Repeated measures ANOVA indicated that the strength profiles were significantly different. When the exerting height was less than or equal to 80 cm, the strengths of women were approximately two-thirds that of the men. Participants adopted a nearly erect posture at above 80 cm, and the weakness of women's upper extremities and disadvantageous posture were directly reflected in reduced strength values relative to men. One potential implication is that, because of the relatively lower isometric lifting strength for young Taiwanese women, caution should be exercised in the weight limit when lifting heights above the hip level, especially when above the shoulder level.
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