The meniscus disks in your knee are a type of this material that may tear if you twist wrong
The C-shaped disc on the 
outside of the knee joint is the lateral meniscus, and the one on... [DOC] [TLE] Torn Meniscus Guide: Causes, Symptoms and Treatment Options [PAR] A meniscus is a disk-shaped piece of cartilage that acts as a shock absorber 
inside a joint.