相対発達からみた上体起こしの体力要因

抄録

　This research verified characteristics of the sit-up test in terms of relative growth. Cross-sectional data for 911 boys ranging in age from 9 years to 17 years were studied. The existence of a transition point was studied, and side step, velocity, grip strength and back strength were compared in relation with height. As a result, there was a correspondence in the side step, but not in the other measurement items. The sit-up test may therefore be used to judge not muscle power or muscle endurance, but agility.