elbow biomechanics

Medial collateral ligament of the elbow jt. is closely related to the following structure....

• Brachial artery

• Ulnar artery

• Radial nerve

• Basilic vein

• Ulnar nerve

Elbow joint is .......

• Hinge

• Uniaxial diarthrodial

• Biaxial diathrodial

• A and B both

Normal carring angle is ......

• 0 - 20

• 0 - 30

• 0 - 10

• 0 - 40

Biceps brachii as an elbow flexor is most effective at _____ elbow flexion range.

• 45

• 60

• 90

• 120

A small carring angle means there is a risk of___

• Inferior dislocation

• Posterior dislocation

• Superior dislocation

• Anterior dislocation

In pulled elbow syndrome there is dislocation of___

• Radiohumeral joint

• Radioulnar joint

• Humeroulnar joint

• All of above

Which muscle has the most efficient working capacity among elbow flexors ?

• Biceps

• Brachiallis

• Brachioradialis

• Almost same work by all the muscles

Closed packed position for humeroulnar joint is.....

• Extension

• 50* of flexion

• 70* of flexion

• 90* of flexion

Resting position for humeroradial joint is......

• Semiflexed and supination

• Semiflexion and pronation

• Extension and supination

• Extension and pronation

Capsular pattern of limitation of elbow jt. .....

• Limitation of extension

• Limitation of flexion more than extension

• Limitation of extation more rhan flexion

• Limitation of flexion