They include : rectus femoris
vastus lateralis
vastus intermedius
vastus medialis
AZ Sportivo Performance and AZSP Healing are Researching human body as a science from head to toe. Any pains, soreness, discomfort have reasons, root causes, we will find out and solve them as possible we can. Our approach is more neuromuscular and anatomical body structure than only muscles, more science and engineering to human body.