Elbow and proximal Radioulnar Joint

1. Which of the following is incorrect regarding elbow joint?

Synovial hinge Joint

Responsible for flexion and extension

Located between Between Arm and Forearm

Ulnar and humerus are the only bones involved.

Humerus, ulnar and radius are bones all involved in the joint

Explanation

Humerus, ulnar and radius are bones all involved in the joint

2. Which of the following is true regarding Flexion of the elbow joint?

Range of flexion = 140º

Limited by anterior surfaces of forearm & arm coming into contact

Performed by brachialis, biceps brachii, brachioradialis & pronator teres muscles

All of the above

3. Which of the following is true regarding extension of the elbow joint?

Checked by tension of anterior ligament & brachialis muscle

Performed by triceps & anconeus muscles

Carrying-angle extended ulna makes angle of 170º with humerus

All of the above

4. Match the following regarding Ulnar Collateral Ligament

Joins sublime tubercle and medial border of olecranon

strongest lies between sublime tubercle on medial epicondyle and coronoid process

Deep and connects the anterior and posterior bands,

Submit

5. Humeroulnar articulation occurs between:

Trochlea of humerus and trochlear notch of ulnar

Capitulum of humerus and trochlear notch of ulnar

Head of humerus and olecranon of ulnar

Styloid process of ulnar and medial condyle of humerus

6. Which of the following is true regarding synovial membrane of proximal radio-ulnar joint?

A.Attached to radius at lower margin of cylindrical articular surface

B. Supported between ulna & radius by quadrate ligament

C. Covers both elbow joint and proximal radio-ulnar joint

D.All of the above

E. A and B only

Some argument with saying that the synovial membrane cover both joints, as we know that there is synovial continuation between the two joints.

Explanation

Some argument with saying that the synovial membrane cover both joints, as we know that there is synovial continuation between the two joints.

7. Humeroradial articulation occurs between

Trochlear of humerus and head of radius

Capitulum of humerus and head of radius

Trochlear of humerus and styloid of radius

Capitulum of humerus and radial notch of ulnar

8. Which of the following is incorrect regarding articular capsule of elbow joint?

Weak anteriorly, posteriorly strengthened by ligaments

Proximal attached to margin of lower end of capitulum and trochlea + area above coronoid and olecranon fossae

Distal attached to trochlear notch of ulnar, annular ligament

Articular capsule is attached to radius.

ARTICULAR CAPSULE NOT ATTACHED TO RADIUS

Explanation

ARTICULAR CAPSULE NOT ATTACHED TO RADIUS

9. Which of the following is incorrect regarding annular Ligament

Attached to radial notch of the ulnar

Clasps the head and neck of the radius

Directly attached to the radius

None of the above

NOT DIRECTLY ATTACHED TO RADIUS, RADIUS FREE FOR MOVEMENT

Explanation

NOT DIRECTLY ATTACHED TO RADIUS, RADIUS FREE FOR MOVEMENT

10. The following is correct regarding synovial membrane of elbow joint, except?

Covers two of the three bones that make the elbow joint humerus, radius but not the ulnar bone

Lines capsule and annular ligament

Bridges gap between radial notch of ulnar and neck of radius

Floors in coronoid and olecranon fossae

Covers all three bones of the elbow joint humerus, radius and ulnar

Explanation

Covers all three bones of the elbow joint humerus, radius and ulnar

11. The following is true regarding proximal radio-ulnar joint, except?

Uniaxial movement, permits for rotation

Synovial hinge Joint

Formed articulation of head of radius with articular notch of ulna

Forms a continuous synovial cavity with the elbow joint

Synovial Pivot Joint

Explanation

Synovial Pivot Joint

12. Which of the following is incorrect regarding annular ligament?

Imprisons head of radius

Attached to radial notch of ulna

Fibres encircle head & neck of radius

Has no attachment to radius and ulna

Blends with capsule of elbow joint

Has no attachment to radius but attaches to the ulna

Explanation

Has no attachment to radius but attaches to the ulna

Submit

15. The following provide nerve supply to the elbow joint, except

Radial nerve

Musculocutaneous nerve

Ulnar nerve

Median nerve

Elbow And Proximal Radioulnar Joint