PECTORALIS MAJOR

 

 

Rotation Gallery

ORIGIN: Anterior surface of medial half of clavicle; anterior surface of sternum and anterior surfaces of upper six costal cartilages

 

INSERTION:   Lateral lip of intertubercular sulcus

 

ACTION:  Adductor of humerus (arm)

ARTERY: Thoracoacromial, Perforating branches of internal thoracic arteries  

NERVE: Medial and lateral pectoral nerves

Action video

 


Shoulder-supraspinatus 

 
Handstand pushup


Pectoral muscles

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Introduction

Histology

   Smooth muscle

   Striated muscle

   Cardiac muscle

Embryology
Gross anatomy
Organ integration
Clinical anatomy

Quiz

Physiology

Smooth muscle      

Striated muscle      

Cardiac muscle      

Biochemistry

Pharmacology
Smooth muscle      

Striated muscle    

Cardiac muscle      

Chemical Pathology

Anatomical Pathology

Imaging

Medicine

Surgery

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Creator: Oluwole Ogunranti