Lesson
Elbow Joint Muscles-Actions
Action (Plane of Motion) | Flexion (Sagittal) | Extension (Sagittal) |
Description of Motion | -Many muscles cross the elbow, including those that cross the shoulder or reach the wrist, hand and fingers. -All muscles which cross the anterior side of the elbow are flexors -Elbow flexion results in a decrease of joint angle, moving the forearm anteriorly | -All muscles which cross the posterior side of the elbow are elbow extensors -Elbow extension results in an increase of joint angle, moving the forearm posteriorly |