Lumbo-Pelvic-Hip-Complex:   Involves the anatomical structures of the lumbar, thoracic, and cervical spine, the pelvic girdle, and the hip joint.

Motor Learning:   The integration of motor control processes with practice and experience that lead to relatively permanent changes in the capacity to produce skilled movements.

Motor Neurons:   Neurons that transmit nerve impulses from the brain and/or spinal cord to effectors sites such as muscles or glands