The shoulder joint joins three bones: the clavicle (collarbone), the scapula (shoulder blade), and the humerus (upper arm bone). The shoulders are the most movable joints in the body. They can also be unstable because the ball of the upper arm is larger than the shoulder socket that holds it. To remain in a stable […]
Loss of muscle mass is part of aging, but we can slow and even reverse it. Age-related muscle loss, also called sarcopenia, is a natural part of the aging process. Less muscle means there is more weakness and less mobility. Both of these factors can increase the risk of falls and fractures. Losing muscle mass […]
Sciatica is a symptom of a problem with the sciatic nerve, the largest nerve in the body. It controls muscles in the back of the knee and lower leg and provides feeling to the back of the thigh, part of the lower leg, and the sole of the foot. When people have sciatica, they have […]
Has a muscle cramp woken you up in the middle of the night? Or have you been stopped in your tracks by a spasm the size of a golf ball in your calf? Muscle cramps, or “charley horses,” occur when one or more of the muscles in the leg tighten involuntarily. Usually, the muscle relaxes […]
