KINE2850 elbow and forearm
what muscles are contracting concentrically or eccentrically in a push up?
concentrically: elbow felxors eccentrically: elbow extenders
what motions occur at the humeroulnar joint? which plane of motion do these motions occur?
elbow flexion and extension sagittal
triceps brachii (elbow extender)
extension of eblow (strongest of the two) posterior side of the arm
anconeus (elbow extender)
extension of the elbow*(supplementary extender)*
brachialis (elbow flexor)
flexes the elbow regardless of forearm position located on the anterior side of the arm
brachioradialis (elbow flexor)
flexion of elbow. is most effective in a neutral position anterior side of the arm
pronation and supination
occur in the forearm and it is the radius rotating over the ulna
what are the two forearm muscles that pronate the forearm?
pronator teres & pronator quadratus
at which joint does pronation and supination occur in the forearm? what plane of motion do these motions occur?
radioulnar transverse
biceps brachii (elbow flexor)
supinates the arm, strongest in the supinated position anterior side of the arm
what muscles supinates the forearm?
supinator muscle