Category: pectoralis major

Muscles most affected by breast cancer and its treatment.

The skeletal muscles most affected by breast cancer and its treatment are: pectoralis major: serratus anterior coraco-brachialis trapezius. (Don’t forget that chemo and radio-therapy affect the heart (cardiac) muscle. ) Why? and What to look for? Pectoralis major:  The pec major suffers a lot.  Even conservative surgery leaves scars.  During wound healing, a protective arm Read More