Ac Joint Upward Rotation

Movement of the scapulothoracic joint are generally considered to be a combination of sternoclavicular and acromioclavicular motion.

Ac joint upward rotation. Findings indicated that approximately 30 of upward rotation and 8 of external rotation occurred at the ac joint during a combined movement of full humeral flexion and external rotation. Because motion at the ac joint occurs in 3 dimensions. A description of what happens at the sternoclavicular sc joint and acromioclavicular ac joint when the scapula moves on the thorax. Because motion at the ac joint.

Approximately 30 of upward rotation and 8 of external rotation occurred at the ac joint during a combined move ment of full humeral flexion and external rotation 4 while these studies contrib uted valuable information regarding ac joint movement data were provided for only 2 rotations. Motion of the ac joint are described as scapular movement with respect to the clavicle including. Upward downward rotation about an axis directed perpendicular to the scapular plane facing anteriorly and medially. I made the model myse.

Upward rotation of the ac joint occurs as the scapula swings upwardly and outwardly in relation to the lateral edge of the scapula def downward rotation of the ac joint downward rotation of the ac joint returns the scapula to its anatomical position a motion mechanically associated with shoulder adduction or extension.