anatomy final: test 2 pt 2 info

The elbow joint permits which movements?

• Flexion and extension

• Abduction and adduction

• Rotation

• Circumduction

Which wrist joint is formed by articulation of the radius with the proximal carpal bones?

• Intercarpal joint

• Carpometacarpal joint

• Radiocarpal joint

• Metacarpophalangeal joint

The annular ligament stabilizes which joint?

• Glenohumeral

• Radioulnar

• Sternoclavicular

• Radiocarpal

What structure transmits shock from the upper limb to the axial skeleton?

• Acromion

• Clavicle

• Coracoid process

• Scapular spine

Which muscle forms the deltopectoral groove with the deltoid?

• Subclavius

• Serratus anterior

• Pectoralis major

• Latissimus dorsi

Which nerve innervates the serratus anterior?

• Long thoracic nerve

• Thoracodorsal nerve

• Lateral pectoral nerve

• Axillary nerve

What is the main action of the pectoralis minor?

• Medially rotates arm

• Protracts scapula

• Stabilizes scapula

• Abducts arm

What action does the deltoid perform beyond 15° of arm abduction?

• Nothing

• Assists trapezius

• Takes over from supraspinatus

• Flexes elbow

What is the nerve supply of the teres major?

• Axillary nerve

• Upper subscapular nerve

• Lower subscapular nerve

• Suprascapular nerve

Which rotator cuff muscle initiates abduction of the arm?

• Infraspinatus

• Teres minor

• Subscapularis

• Supraspinatus