Deconditioned:   Refers to a state in which a person has muscle imbalances, decreased flexibility, and a lack of core and joint stability.

Drawing-in Maneuver:    Activation of the transverses abdominis, multifidus, pelvic floor muscles and diaphragm to provide core stabilization

Eccentric Action:   Occurs when a muscle exerts less force than the external resistance placed upon it, causing the muscle to lengthen.