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Horizontal abduction and horizontal adduction of the shoulder (transverse plane) Medial and lateral rotation of the shoulder (also known as internal and external rotation). Medial rotation is carried out by the anterior fibres of the deltoid, teres major, subscapularis, pectoralis major and the latissimus dorsi.
The muscles of internal rotation include: of arm/humerus at shoulder. Anterior part of the deltoid muscle [1] Subscapularis [1] Teres major [1] Latissimus dorsi [1] Pectoralis major [1] of thigh/femur at hip [2] Tensor fasciae latae; Gluteus generalis; Anterior fibers of Gluteus meralis; Adductor longus and Adductor brevis; of leg at knee [3 ...
Shoulder motions to pull the ligament taut Humeral head motion to pull the ligament taut Superior glenohumeral lig. Full adduction Inferior or anterior glide Middle glenohumeral lig. External rotation Anterior glide Inferior glenohumeral lig. Anterior band Posterior band Abduction and external rotation Abduction and internal rotation Non specific
Lateral rotation of the arm [16] The opposite of medial rotation of the arm. infraspinatus and teres minor, posterior fibers of deltoid Arm circumduction [17] Movement of the shoulder in a circular motion so that if the elbow and fingers are fully extended the subject draws a circle in the air lateral to the body.
Internal rotation (medial rotation or intorsion) is rotation towards the axis of the body, [22] carried out by internal rotators. External rotation (lateral rotation or extorsion) is rotation away from the center of the body, [22] carried out by external rotators. Internal and external rotators make up the rotator cuff, a group of muscles that ...
The latissimus dorsi is responsible for extension, adduction, transverse extension also known as horizontal abduction (or horizontal extension), [1] flexion from an extended position, and (medial) internal rotation of the shoulder joint. It also has a synergistic role in extension and lateral flexion of the lumbar spine.
Movements of the shoulder joint. [1]Movement Muscles Origin Insertion Flexion (150°–170°) Anterior fibers of deltoid: Clavicle: Middle of lateral surface of shaft of humerus ...
Adduction is an anatomical term of motion referring to a movement which brings a part of the anatomy closer to the middle sagittal plane of the body. Upper limb [ edit ]