ANATOMY
THE UPPER LIMBS
The upper limbs can be divided in to:-
1-the shoulder.
2-the arm.
3-the elbow.
4-the forearm.
5-the wrist.
6-the hand
The pectoral region the breast
The breast consist of :-
1- the mammary gland .
2-the fatty superficial fascia.
3-the overlying skin with the nipple and the surrounding zone of pigmented skin the areola.
Location:-
1-the base.
2-the axillary tail.
3-the apex.
The blood supply of the breast:-
1- inter costal artery.
2-perforating branches of internal thoracic artery.
3-lateral thoracic artery.
Lymphatic drainage of the breast:-
1- the medial quadrants.
2-the lateral quadrants.
The shoulder girdle
Form by articulation of the clavicle and the scapula at the acromioclavicular joint.
The muscles
Pectoralis major
Origin:-
Insertion:-
Action:-
Nerve supply:-
Pectoralis minor
Origin:-
Insertion:-
Action:-
Nerve supply:-
Subclavius
Origin:-
Insertion:-
Action:-
Nerve supply:-
Deltoid:-
Origin:-
Insertion:-
Action:-
Nerve supply:-
The clavipectoral fascia
Strong sheath of connective tissue.
Its perforated by :-
1-Thoracoacromial artery.
2-Lateral pectoral nerve.
3-Cephalic vein.
