Term
| Origin of Pectoralis Major |
|
Definition
Clavicular head: medial half of clavical Sternal Head: Sternum, cartilages of upper 6 ribs |
|
|
Term
| Insertion of Pectoralis Major |
|
Definition
| Lateral lip of bicipital groove of humerus |
|
|
Term
| Action of Pectoralis Major |
|
Definition
Adduction, horizontal adduction and medial rotation of humerus Clavicular head: flexion of humerus Sternal head: extension of humerus from a flexed position |
|
|
Term
| Nerve of Pectoralis Major |
|
Definition
Clavicular head: lateral pectoral nerve Sternal head: median pectoral nerve |
|
|
Term
| Blood Supply of Pectoralis Major |
|
Definition
|
|
Term
| Origin of Pectoralis Minor |
|
Definition
| Anterior surface of ribs 3,4,5 near costal cartilages |
|
|
Term
| Insertion of Pectoralis Minor |
|
Definition
Coracoid process of scapula on medial border of superior surface |
|
|
Term
| Action of Pectoralis Minor |
|
Definition
| Protraction, depression, downward rotation of scapula |
|
|
Term
| Nerve of Pectoralis Minor |
|
Definition
|
|
Term
| Blood Supply of Pectoralis Minor |
|
Definition
|
|
Term
|
Definition
| 1st costocartilage junction |
|
|
Term
|
Definition
| Inferior shaft of clavicle -- middle 1/3 |
|
|
Term
|
Definition
| Stabilizes clavical by moving it medially |
|
|
Term
|
Definition
|
|
Term
| Blood Supply of Subclavius |
|
Definition
| Clavicular Branch of Thoracoacromial Trunk |
|
|
Term
| Origin of Serratus Anterior |
|
Definition
| outer surface of upper 8 ribs |
|
|
Term
| Insertion of Serratus Anterior |
|
Definition
| Vertebral border of scapula -- anterior surface |
|
|
Term
| Action of Serratus Anterior |
|
Definition
Protraction, upward rotation of scapula, stabilizes scapula against chest wall |
|
|
Term
| Nerve of Serratus Anterior |
|
Definition
|
|
Term
| Blood Supply of Serratus Anterior |
|
Definition
|
|