EHR520 Lecture Notes - Lecture 3: Sagittal Plane, Coronal Plane, Transverse Plane
Document Summary
Axes of rotation and anatomical planes of motion. Three dimensional analysis is required to accurately describe human motion: axes of rotation around which a movement occurs (figure 2, cardinal planes of motion (figure 1, the axis and the plane for any movement are always perpendicular. Joint motion can be influenced by contractile/active and non-contractile/passive tissue elements. Examples of non-contractile tissue influencing joint motion include the joint capsule and ligaments: however, joint motion can also be influenced by the muscles that cross over a joint and exert motion on that joint. Muscle length testing aims to determine the influence that muscles crossing the joint have on joint. Need 3 landmarks 2 to align arms of the goniometer and 1 for the fulcrum / axis of joint. Arm stationary arm is usually aligned with the stationary segment of the joint, the moving arm aligned with the moving segment. Important to choose the correct size for the joint limb being measured.
