Kinesiology #2

• where does flexion and extension of the forearm occur?

  humeroulnar joint

  humeroradial joint
• where does pronation and supination of the forearm occur?

  proximal radioulnar joint

  distal radioulnar joint
• when does the radius flip over the ulna?

  pronation
• what are the ligaments of the elbow

  medial (ulnar) collateral ligament

  lateral (radial) collateral ligament
• name the ligaments that stabilize the superior radioulnar joint

  anular ligament

  quadrate ligament

  oblique cord
• name the ligaments that stabilize the inferior radioulnar joint

  interosseous membrane

  anterior radioulnar ligament

  posterior radioulnar ligament
• what are the active muscles of forearm flexion?

  biceps brachii

  brachialis

  brachioradialis
• what are the active muscles of forearm extension?

  triceps

  anconeus
• what are the active muscles of forearm supination?

  supinator

  biceps
• what are the active muscles of forearm pronation

  pronator quadratus

  pronator teres
• what is the scapular movement during shoulder flexion?

  upward rotation and abduction
• what is the scapular movement during shoulder extension?

  downward rotation and adduction
• what is the scapular movement during shoulder hyperextension?

  elevation, upward tilt, adduction, downward rotation
• what is the scapular movement during shoulder abduction?

  upward rotation
• what is the scapular movement during shoulder adduction?

  downward rotation
• what is the scapular movement during shoulder external rotation?

  adduction
• what is the scapular movement during shoulder internal rotation?

  abduction
• what is the scapular movement during shoulder horizontal adduction?

  abduction
• what is the scapular movement during shoulder horizontal abduction?

  adduction
• what are the active muscles of scapular elevation?

  trap I

  trap II

  levator scapulae

  rhomboid
• what are the active muscles of scapular depression?

  pectoralis minor

  trap IV
• what are the active muscles of scapular abduction?

  pectoralis minor

  serratus anterior
• what are the active muscles of scapular adduction?

  trap III

  rhomboid
• what are the active muscles of scapular upward rotation?

  trap II

  trap IV

  serratus anterior
• what are the active muscles of scapular downward rotation?

  pectoralis minor

  rhomboid
• what are the active muscles of shoulder flexion?

  anterior deltoid

  pectoralis major clavicular

  corachobrachilias
• what are the active muscles of shoulder extension?

  pectoralis major sternal

  latissimus dorsi

  teres major
• what are the active muscles of shoulder abduction?

  middle deltoid

  supraspinatus
• what are the active muscles of shoulder adduction?

  pectoralis major sternal

  latissimus dorsi

  teres major
• what are the active muscles of shoulder internal rotation?

  subscapularis

  latissimus dorsi

  teres major
• what are the active muscles of shoulder external rotation?

  infraspinatus

  teres minor
• what are the active muscles of shoulder horizontal adduction?

  anterior deltoid

  pectoralis major clavicular

  pectoralis major sternal

  corachobrachialis
• what are the active muscles of shoulder horizontal abduction?

  middle deltoid

  posterior deltoid

  infrapsinatus

  teres minor