Gender differences in lifting technique

The importance of different motion patterns in the assessment of work techn ique is rarely addressed in the literature and even less information can be found regarding gender differences. In this study the possible gender diff erences in lifting technique from lifting experiments on 12 female and 10 m ale participants were examined. The participants performed squat and stoop lifts of a box. Movements were measured by means of opto-electronic measure ment systems. Kinematic data derived from the measurements revealed some di fferences between the men and the women, e.g. in trunk motion and knee angl e ranges. The hip-knee interjoint coordination was more synchronized for wo men than for men in terms of the relative phase angle. It is concluded that so far gender differences in motion patterns have not been sufficiently ex plored and that men and women need to be considered separately in the evalu ation of work technique in manual handling tasks. Advantages and disadvanta ges of different coordination patterns need to be further investigated.