Pathomechanics of elbow joint

PATHOMECHANICS OF ELBOW JOINT

TYPES :-

Compression injury
Distraction injury or pulled elbow
Pathology due to change in carrying angle
Tendinitis or overuse syndrome
Arthritissue
Cubital tunnel syndrome
Osteochondritis
Volkman's ischaemic contracture
1 COMPRESSION INJURY:-Due to excessive compression force

Cause:- * Fall from hight

*Forceful muscle Contraction as during baseball pitching in acceleration and deceleration phases.
2 DISTRACTION INJURY OR PULLED ELBOW :- Common in children occurs due to lifting of child via holding hand cause pulling of head of radius from annular ligament.
PATHOLOGY DUE TO CHANGE IN CARRYING ANGLE The angle between long axis of humerus and forearm in anatomical position is called carrying angle. There are two pathologies related to carrying angle.

1 Cubitus varus:- Due to decrease in carrying angle.
2 Cubitus valgus:- occurs due to increase in carrying angle.

4 TENDINITIS OR OVERUSE SYNDROME:-
Occurs due to repetitive Contraction of flexors or extensor group of muscles.
It is of two types:- * Medial epicondylitis or golfers elbow occurs due to repetitive Contraction of flexors.
*Lateral epicondylitis or Tennis elbow occurs due to repetitive Contraction of extensors.

5 STUDENT 'S ELBOW :-
Occurs in students due to repetitive irritation of bursa present over the subcutaneous posterior surface of olecranon process

6 HUMEROULNAR DISLOCATION :-
CAUSE:-Fracture of head of radius or coronoid process of ulna due to fall.
VOLKMAN'S ISCHAEMIC CONTRACTURE :-
CAUSE :- Due to fractur of supracondylar area cause injury to brachial artery.
It leads to fibrosis of museless of forearm due to ischaemia which is called as Volkman's ischaemia.

OSTEOCHONDRITIS :-Inflammatory Pathology of bone and cartilage.
CAUSE :-Exact cause is unknown.
May be due to repetitive traumactivities.

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