1. The shoulder joint is classified as:
(A) Hinge joint
(B) Ball-and-socket joint
(C) Plane joint
(D) Pivot joint
2. The primary function of the rotator cuff is:
(A) Flex the elbow
(B) Stabilize the glenohumeral joint
(C) Extend the wrist
(D) Rotate the spine
3. The scapulohumeral rhythm refers to coordination between:
(A) Scapula and humerus
(B) Radius and ulna
(C) Clavicle and sternum
(D) Spine and pelvis
4. The acromioclavicular joint is a:
(A) Synovial plane joint
(B) Fibrous joint
(C) Hinge joint
(D) Cartilaginous joint
5. The sternoclavicular joint allows:
(A) Elevation, depression, protraction, retraction, rotation
(B) Only flexion and extension
(C) Only rotation
(D) No movement
6. The elbow joint is mainly:
(A) Hinge joint
(B) Ball-and-socket joint
(C) Plane joint
(D) Pivot joint
7. Supination and pronation occur at the:
(A) Radioulnar joints
(B) Humeroulnar joint
(C) Wrist joint
(D) Glenohumeral joint
8. The carrying angle of the elbow is typically greater in:
(A) Women
(B) Men
(C) Children
(D) Elderly
9. The wrist joint is formed by the distal radius and:
(A) Scaphoid and lunate
(B) Ulna and pisiform
(C) Capitate and hamate
(D) Metacarpals
10. The radiocarpal joint allows:
(A) Flexion, extension, radial and ulnar deviation
(B) Rotation only
(C) No movement
(D) Abduction only
11. Which ligament prevents dislocation of the humeral head?
(A) Glenohumeral ligament
(B) Radial collateral ligament
(C) Annular ligament
(D) Ulnar collateral ligament
12. The annular ligament surrounds the:
(A) Head of the radius
(B) Head of the ulna
(C) Glenoid cavity
(D) Capitulum
13. Which muscle initiates shoulder abduction?
(A) Supraspinatus
(B) Deltoid
(C) Biceps brachii
(D) Pectoralis major
14. The deltoid muscle is the prime mover of:
(A) Shoulder abduction
(B) Elbow flexion
(C) Wrist extension
(D) Finger flexion
15. Which muscle is the primary supinator of the forearm?
(A) Biceps brachii
(B) Pronator teres
(C) Brachialis
(D) Triceps brachii
16. The triceps brachii is responsible for:
(A) Elbow extension
(B) Elbow flexion
(C) Wrist flexion
(D) Shoulder abduction
17. Which carpal bone is most commonly fractured?
(A) Scaphoid
(B) Lunate
(C) Pisiform
(D) Trapezium
18. The “tennis elbow” condition involves:
(A) Lateral epicondyle inflammation
(B) Medial epicondyle strain
(C) Radial fracture
(D) Wrist ligament tear
19. The biceps brachii crosses:
(A) Shoulder and elbow joints
(B) Wrist only
(C) Shoulder only
(D) Elbow only
20. The brachialis muscle is a primary:
(A) Elbow flexor
(B) Elbow extensor
(C) Wrist extensor
(D) Shoulder abductor
21. The carpometacarpal joint of the thumb is a:
(A) Saddle joint
(B) Hinge joint
(C) Plane joint
(D) Pivot joint
22. Opposition of the thumb is critical for:
(A) Grasp and fine motor control
(B) Walking
(C) Respiration
(D) Elbow extension
23. The rotator cuff consists of four muscles, including:
(A) Supraspinatus, infraspinatus, teres minor, subscapularis
(B) Deltoid, trapezius, latissimus, biceps
(C) Pectoralis, triceps, brachialis, rhomboid
(D) Serratus, levator, intercostal, coracobrachialis
24. The scapula glides along the thoracic cage at the:
(A) Scapulothoracic articulation
(B) Glenohumeral joint
(C) Acromioclavicular joint
(D) Sternoclavicular joint
25. The main stabilizer of the proximal radioulnar joint is the:
(A) Annular ligament
(B) Ulnar collateral ligament
(C) Radial collateral ligament
(D) Glenohumeral ligament
26. The humeroulnar joint primarily allows:
(A) Flexion and extension
(B) Rotation
(C) Abduction
(D) Circumduction
27. Which muscle assists in both elbow flexion and supination?
(A) Biceps brachii
(B) Triceps brachii
(C) Deltoid
(D) Latissimus dorsi
28. The coracoacromial arch prevents:
(A) Superior dislocation of the humeral head
(B) Inferior dislocation of the scapula
(C) Elbow valgus
(D) Wrist collapse
29. Throwing mechanics mainly stress the:
(A) Shoulder joint
(B) Wrist flexors
(C) Spine only
(D) Hip abductors
30. The scapula upwardly rotates during:
(A) Shoulder abduction
(B) Elbow extension
(C) Wrist flexion
(D) Spine flexion
31. The carrying angle is measured between:
(A) Humerus and ulna
(B) Radius and carpals
(C) Humerus and scapula
(D) Ulna and scapula
32. The pisiform bone is a type of:
(A) Sesamoid bone
(B) Long bone
(C) Short bone
(D) Flat bone
33. The radial collateral ligament stabilizes the elbow on the:
(A) Lateral side
(B) Medial side
(C) Posterior side
(D) Anterior side
34. The ulnar collateral ligament stabilizes the elbow on the:
(A) Medial side
(B) Lateral side
(C) Superior side
(D) Inferior side
35. Wrist flexion involves primarily:
(A) Flexor carpi radialis and flexor carpi ulnaris
(B) Extensor carpi radialis and extensor carpi ulnaris
(C) Biceps and triceps
(D) Pronator quadratus
36. Wrist extension is mainly performed by:
(A) Extensor carpi radialis and ulnaris
(B) Flexor digitorum
(C) Brachialis
(D) Pectoralis major
37. The thenar muscles are responsible for:
(A) Thumb movement
(B) Elbow flexion
(C) Shoulder rotation
(D) Wrist pronation
38. The hypothenar muscles act on the:
(A) Little finger
(B) Thumb
(C) Elbow
(D) Shoulder
39. A common injury in pitchers is:
(A) Ulnar collateral ligament tear
(B) Radial head fracture
(C) Wrist sprain
(D) Shoulder impingement only
40. Shoulder impingement involves compression of:
(A) Supraspinatus tendon under acromion
(B) Triceps tendon
(C) Radial nerve
(D) Annular ligament
41. The primary axis of elbow flexion runs through:
(A) Medial and lateral epicondyles
(B) Olecranon and styloid process
(C) Humeral shaft
(D) Radial head only
42. The scapula tilts anteriorly during:
(A) Shoulder flexion
(B) Shoulder extension
(C) Elbow flexion
(D) Wrist rotation
43. Which nerve passes through the cubital tunnel?
(A) Ulnar nerve
(B) Radial nerve
(C) Median nerve
(D) Axillary nerve
44. The median nerve passes through the:
(A) Carpal tunnel
(B) Cubital fossa
(C) Radial groove
(D) Suprascapular notch
45. Radial nerve injury commonly causes:
(A) Wrist drop
(B) Claw hand
(C) Ape hand
(D) Foot drop
46. Ulnar nerve injury at the wrist leads to:
(A) Claw hand deformity
(B) Wrist drop
(C) Loss of supination
(D) Shoulder abduction weakness
47. Median nerve injury at the wrist leads to:
(A) Ape hand deformity
(B) Claw hand
(C) Drop foot
(D) Winged scapula
48. The long thoracic nerve injury results in:
(A) Winged scapula
(B) Wrist drop
(C) Claw hand
(D) Ape hand
49. The prime mover of elbow extension is:
(A) Triceps brachii
(B) Biceps brachii
(C) Deltoid
(D) Latissimus dorsi
50. Biomechanically, throwing involves:
(A) Sequential activation of shoulder, elbow, wrist
(B) Isolated shoulder movement
(C) Only elbow extension
(D) Only wrist flexion