Fig. 9

Gestures for throw (Tasks 11, 12, 13, 14, 15). Elbow flexion was used for Task 11 to throw objects forward. Shoulder abduction was applied for Tasks 13, 14 to throw objects left and right. For Tasks 12 and 15, to throw objects backward and upward, participants gave two ways to doing the two tasks; Task 12: left: elbow flexion, right: both elbow flexion and shoulder flexion; Task 15: left: shoulder flexion from the abdomen moving above the shoulder; right: shoulder flexion from the chest moving above the shoulder