The Arm

THE ARM 18 Dec 2004

COMPARTMENTS OF THE ARM  ANTERIOR  POSTERIOR

ANTERIOR COMPARTMENT  Transverse

Septum  Anterior posterior Septum

MUSCLES OF THE ANTERIOR COMPARTMENT OF THE ARM

 CORACOBRACHIALI

S

Origin

 Insertion

BICEPS BRACHII  ORIGIN

 INSERTION

BRACHIALIS  ORIGIN

 INSERTION

CHANGES AT THE LEVEL OF INSERTION OF CORACOBRACHIALIS

 BONE

 FASCIAL

SEPTA

 MUSCLES

 ARTERIES

 NERVES

MUSCULOCUTANEOUS NERVE  ORIGIN  ROOT

VALUE

 BRANCHES

& DISTRIBUTION

BRACHIAL ARTERY  ORIGIN  EXTENSION  COURSE

& RELATION

 In

the middle of the arm it is crossed by the median nervefrom the lateral to the medial side.

 In

front of the elbow

 Medially

 At

the elbow, structures from lateral to medial side

 Branches

 Clinical

importance

Anastomosis around the elbow joint

Large nerves in the arm  Median

nerve

 Origin  Root

value

 Course

arm

in the

 At

the elbow

Ulnar Nerve  Origin  Root

value

 Course

in the arm

 At

the elbow

Radial Nerve  Origin  Root

value

Course & relation  In

the lower part of the axilla  In the upper part of arm

 At

the lower end of groove

Branches & distribution

CUBITAL FOSSA

 Defination  Boundaries  Contents

The Back

 Triceps  origin

insertion

Profunda brachii artery  Branches

THE FRONT OF THE FOREARM  Fascial

compartmen ts of the forearm

Interosseous membrane

Superficial muscles of the front of the forearm

Pronator teres

 Origin

Humeral head Ulnar head

Insertio n

Flexor carpi radialis  Origin

Insertio n

Palmaris longus  Origin

Insertion

Flexor carpi ulnaris

 Origin

Humeral head Ulnar head

Insertion

Flexor digitorum superficialis

 Origin

Humeroulnar head Radial head

Insertion