Between the bones of the knees are two crescent-shaped disks of connective tissue, called menisci, which also act as shock absorbers to cushion the lower part of the leg from the weight of the rest of the body. Meniscus tears can happen when twisting while bearing weight.
Cervical spinal fusion is surgery that joins two or more of the vertebrae in your neck. When these bones are joined together, it's called fusion. After the joints are fused, they can no longer move. During the surgery, the doctor uses bone to make a "bridge" between your vertebrae. This bridge may be strengthened with...