There are a number of potential causes of Hornerâs syndrome, each affecting a different place in the sympathetic chain: 1  First order neuron lesion: brainstem stroke. 2  Second order neuron lesion: apical lung tumor, neck trauma, other. 3  Third order neuron lesion: orbital trauma or inflammation, carotid dissection, other.
In very severe cases where the patella keeps dislocating, the attachment of the patellar tendon may also have to be moved. Once the surgery heals, the patella will track up and down in the patellar groove, reducing pressure on the articular cartilage. 1  Knee Pain: Symptoms, Causes, and Treatments.
Foot, Hip and Knee Pain Foot, knee and hip pain can be the result of biomechanical foot imbalance. Excessive pronation (feet rolling in too far, very low arched feet on weightbearing) or excessive supination (feet rolling out, very high arch on weightbearing) creates poor foot and leg alignment when walking, creating an unstable and inefficient base of support for your body.