A person is performing slow arm curls with a 10kg weight as shown in figure Q1. The brachialis and biceps are the main muscles that are active during this exercise. Determine the magnitude F of this muscle group force and the
Figure Q1
magnitude E of the elbow joint reaction at point E for the forearm position shown in figure Q1. Take the dimensions shown to locate the effective points of application of the two muscle groups. Include the effect of the 1.5kg forearm mass with mass centre at point G.

Question

A person is performing slow arm curls with a 10kg weight as shown in figure Q1. The brachialis and biceps are the main muscles that are active during this exercise. Determine the magnitude F of this muscle group force and the
Figure Q1
magnitude E of the elbow joint reaction at point E for the forearm position shown in figure Q1. Take the dimensions shown to locate the effective points of application of the two muscle groups. Include the effect of the 1.5kg forearm mass with mass centre at point G.