Just like bone density decreases with age, we also lose muscle mass. The decline in skeletal muscle, a condition called sarcopenia, is a natural process that occurs in everyone over time. It can lead to frailty and increased risk for falls and loss of independence.
While there are preventative steps adults and children alike can take, Joseph N. Liu, MD, an orthopedic surgeon for Loma Linda University Medical Center, says it’s important to remember that there is always a risk of injury with recreational activities and that some injuries come from wear over time.
The knee is the largest joint in the body. People use it heavily every day as they walk, run, climb, or jump. As a result, it is also very prone to injury and pain. When these occur, a doctor may recommend exercises to help a person strengthen the muscles around the knee.