Knee Injuries. 1  Patellofemoral Syndrome. Also called Runner's Knee, problems associated with the patella, or kneecap, are common in runners. 2  Kneecap Subluxation. Many kneecap issues are related to the position of the kneecap within the groove on the end of the thigh bone.
A movement toward the midline is called adduction. Adduct means to bring towards the center. The opposite, abduction is moving away from midline. A movement toward the midline is called adduction. Adduct means to bring towards the center. The opposite, abduction is moving away from midline.
Midline: A median line dividing the two halves of the body. Crossing the midline is the ability to use on side or part of the body (hand, foot, or eye) in the space of the other side or part. Modulation: The brain's ability to regulate it's own activity.