Healthy Bones, Joints & Muscles
- Q What is the pectoralis major muscle?
Dr. Mike Clark, FitnessLocated in front of the top of the rib cage, the pectoralis major muscle runs from the clavicle and sternum to the top of the arm (humerus). It contracts and brings the arms to the midpoint of the body and internally rotates the arm. Full Answer
- Q What are quadriceps?
Dr. Mike Clark, FitnessLocated at the front of the thigh, the quadriceps muscles run from the hips down to the bottom of the thigh (femur) and insert into the knee cap (patella). They straighten (extend) the knee and help bend (flex) the hip. Full Answer
- Q What is the function of chondroitin in cartilage?
Dr. Grant Cooper, Physical Medicine & RehabilitationChondroitin is a long chain of sugars that helps cartilage hold water. It is derived from animal tissues, particularly ligaments, tendons, bone ends, and joint capsules. Chondroitin also inhibits cartilage metabolism. It also has anti-inflammatory... Full Answer