Pectoral region

Clavicular part of pectoralis major originates from

• Anterior surface Medial 1/3 of clavicle

• Anterior surface medial 2/3 of clavicle

• Anterior surface lateral 1/3rd of clavicle

• Anterior surface lateral 2/3rd of clavicle

Sternocostal fibres originate from

• Medial half of sternum, Medial 1 to 6 ribs

• Medial half of sternum, 1 to 6 costal cartilages

• Lateral half of sternum , 2 to 6 ribs

• Lateral half of sternum, 2 to 6 costal cartilages

Action of clavicular fibres

• Flexion of shoulder joint

• Extension of shoulder joint

• Abduction

• Adduction

Action of Sternocostal fibres of Pectoralis major

• Flexion

• Extension

• Adduction

• Abduction

Action of aponeurotic fibres of Pectoralis major

• Flexion

• Extension

• Medial rotation

• Lateral rotation

Origin of Pectoralis minor

• 2 - 6 costal cartilages

• 2-6 ribs

• 3 , 4, 5 Costal cartilages

• 3,4,5 ribs

Insertion of Pectoralis minor

• Acromian process

• Coracoid process

• Lateral lip of inter

• Medial lip

Pectoralis minor gets inserted into the

• Superior surface of coracoid process

• Tip of coracoid process

• Lateral border of acromian process

• Medial border of acromian process

The following muscles are enclosed by Clavi pectoral fascia

• Subclavius, Pectoralis major

• Subclavius, Pectoralis minor

• Pectoralis minor, Pectoralis major

• Pectoralis minor , serratus anterior

All the following Structures are piercing clavipectoral fascia except

• Cephalic vein

• Acromiothoracic artery

• Lateral thoracic nerve

• Lymphatics