The nervous system is our body's regulatory and communication centre. It is made up of the brain, the spinal cord and nerves (a collection of neurons).
The knee is a system made up of bones, ligaments, tendons and cartilage that ensures both static posture and walking. Its mobility is based on a combination of rolling and sliding. Knee pathologies are mainly traumatic (sprain or rupture of the cruciate ligament) or degenerative (osteoarthritis).