Which of the following would constitute a closed kinematic chain activity of the left shoulder complex?
A) Using your left arm to push yourself out of a chair
B) Throwing a Frisbee with your left hand
C) Combing your hair with your left hand
D) Waving with your left hand

Question

Quizplus · Accepted Answer

Using your left arm to push yourself out of a chair would be a closed kinematic chain activity of the left shoulder complex, as the hand is fixed on the chair while the body moves. The other options involve open kinematic chain movements, where the hand is not fixed, and the limb moves freely through space.

Which of the Following Would Constitute a Closed Kinematic Chain