This is the one type of movement people with knee pain should be doing more, according to a physical therapist

A woman on a park bench wearing workout clothes sits and gently holds her right knee with both hands.

Knee pain can be frustrating, especially when it prevents you from exercising. When recovering from a knee injury or dealing with mild knee pain, it's crucial to strengthen the muscles around the knee so that the joint has sufficient support.

Sanjit Kooner is a physical therapist and he says he recommends isometric holds to a lot of his clients who have knee pain.