Pectoralis minor muscle :-
Muscle details :-
pectoralis minor muscle
- The pectoralis minor (/ˌpɛktəˈreɪlɪs ˈmaɪnər/) is a thin, triangular muscle, situated at the upper part of the chest .
- third to fifth ribs , near the costochondral junction .
– intervenning fascia covering external intercostal muscles .
- medial border and uppersurface of the coracoid process .
Nerve supply :-
- medial and lateral pectoral nerves .
pectoralis minor muscle action
- draws the scapula forward .
depresses the point of the shoulder .
helps in forced inspiration .