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  2. List of internal rotators of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_internal_rotators...

    Outline of human anatomy; Cell types. by origin; In anatomy, internal rotation ... is an anatomical term referring to rotation towards the center of the body.

  3. Shoulder joint - Wikipedia

    en.wikipedia.org/wiki/Shoulder_joint

    From 90-180 degrees it is the trapezius and the serratus anterior. Adduction is carried out by the pectoralis major, latissimus dorsi, teres major and the subscapularis. Horizontal abduction and horizontal adduction of the shoulder (transverse plane) Medial and lateral rotation of the shoulder (also known as internal and external rotation).

  4. Human body - Wikipedia

    en.wikipedia.org/wiki/Human_body

    Human anatomy is the study of the shape and form of the human body. The human body has four limbs (two arms and two legs), a head and a neck , which connect to the torso . The body's shape is determined by a strong skeleton made of bone and cartilage , surrounded by fat ( adipose tissue ), muscle, connective tissue , organs, and other structures.

  5. Anatomical terms of motion - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_motion

    Rotation of body parts may be internal or external, that is, towards or away from the center of the body. [22] 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 ...

  6. List of movements of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_movements_of_the...

    The list below describes such skeletal movements as normally are possible in particular joints of the human body. Other animals have different degrees of movement at their respective joints; this is because of differences in positions of muscles and because structures peculiar to the bodies of humans and other species block motions unsuited to ...

  7. Shoulder - Wikipedia

    en.wikipedia.org/wiki/Shoulder

    Medial rotation of the arm [16] Medial rotation of the arm is most easily observed when the elbow is held at a 90-degree angle and the fingers are extended so they are parallel to the ground. Medial rotation occurs when the arm is rotated at the shoulder so that the fingers change from pointing straight forward to pointing across the body.

  8. Upper limb - Wikipedia

    en.wikipedia.org/wiki/Upper_limb

    The first 10° is performed entirely by the supraspinatus, but beyond that fibres of the much stronger deltoid are in position to take over the work until 90°. To achieve the full 180° range of abduction the arm must be rotated medially and the scapula most be rotated about itself to direct the glenoid cavity upward. [7] Muscles

  9. Rotator cuff - Wikipedia

    en.wikipedia.org/wiki/Rotator_cuff

    The Hawkins-Kennedy test [11] [12] has a sensitivity of approximately 80% to 90% for detecting impingement. The infraspinatus and supraspinatus [13] tests have a specificity of 80% to 90%. [10] A common cause of shoulder pain in rotator cuff impingement syndrome is tendinosis, which is an age-related and most often self-limiting condition. [14]