Question: Why Does The Pectoralis Minor Protract The Shoulder Girdle And The Rhomboid Major And Minor Retract The Shoulder Girdle?

Question: Why Does The Pectoralis Minor Protract The Shoulder Girdle And The Rhomboid Major And Minor Retract The Shoulder Girdle?

Whydoes the pectoralis minor protract the shoulder girdle and therhomboid major and minor retract the shoulder girdle?