The muscle length,muscle weight,pinnate angle and cross sectional area of ulnar compartment of FCU were bigger than those the radial compartment,but architecture features of the muscle fiber length smaller than those of the radial compartment.

• 尺侧腕屈肌尺侧半的肌长、肌重、羽状角、及生理横切面积数值均较桡侧半大 ,而肌纤维长的数值则较桡侧半小。