Figure 1From: The kinematics of upper extremity reaching: a reliability study on people with and without shoulder impingement syndrome Starting position for the reaching movement. The reaching movements started with the upper extremity in a neutral position at the side of the body and the tip of the second finger in contact with a pressure switch. The kinematic was characterized using an optoelectric system and infrared light-emitting diodes positioned on five upper limb landmarks. As seen on the Figure, electromyography activity was also recorded, but the data were not analyzed in this study.Back to article page