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.
The brain is divided into two hemispheres. When seen on a CT scan, the hemispheres are quite symmetrical. When seen from above, a reasonably straight line can be seen between the two sides of the brain. If the brain is swelling on one side, it pushes one hemisphere across this center line. This is called a âmidline shift.â A midline shift is one of the most obvious evidences of brain swelling that can be seen on a CT scan. A midline shift can be particularly dangerous as it may be accompanied by compression of the brain stem, which can be fatal. For an example of a midline shift, click here.