Arthrokinematics - The motions of joints in the body.

Balance Threshold - How far one can go outside their base of support without losing control of his or her center of gravity.

Biomechanics - The study of mechanical laws relating to the movement or structure of living organisms. The mechanics of biological, especially muscular activity (as in locomotion or activity).

Core - The central section of the body consisting of the cervical, thoracic and lumbar spine, along with the pelvic girdle and hip joints, and all of the muscles that attach to these specific areas.

Fascia - The outermost layer of connective tissue that surrounds the muscle.

Functional Strength - The ability of the neuromusculoskeletal system to efficiently and effectively produce force, reduce force, and dynamically stabilize the entire human movement system to during functional movements.

GPS - Global Positioning System, an accurate worldwide navigational and surveying facility based on the reception of signals from an array of orbiting satellites.

Kinetic Chain - The combination and interrelation of the nervous, muscular, and skeletal systems.

Length-Tension Relationship - Refers to the length at which a muscle can produce the greatest force.

Lumbo-Pelvic-Hip Complex - This is the lumbar, thoracic, and cervical spines along with the pelvic girdle, and the hip joint.

Neuromuscular - of or relating to nerves and muscles.

Neuromuscular Efficiency - The ability of the human movement system to allow agonists, antagonists, synergists, and stabilizers to work synergistically to produce force, reduce force and dynamically stabilize the entire human movement system. This process helps to maintain optimal length-tension relationships, force couple relationships, and arthrokinematics (nasm).

Neutralizers - Muscles that counteract the unwanted action of other muscles.

Planes of Motion - Frontal plane, sagittal plane and transverse plane.

1. •Frontal plane - An imaginary bisector that divides the body into front and back halves
   

2. •Sagittal plane - An imaginary bisector that divides the body into left and right halves
   

3. •Transverse plane - An imaginary bisector that divides the body into top and bottom halves
   

Rate of force Production - Ability of muscles to exert maximal force output in a minimal amount of time.

Stretch-Shortening Cycle - An active stretch (eccentric contraction) of a muscle followed by an immediate shortening (concentric contraction) of that same muscle. This occurs when a muscle transitions from deceleration to a rapid acceleration.

Synergistic Dominance - When synergists compensate for a weak or inhibited prime mover in an attempt to maintain force production and functional movement patterns.

Trigger Points - A sensitive area of the body, stimulation or irritation of which causes a specific effect in another part, esp. a tender area in a muscle that causes generalized musculoskeletal pain when overstimulated.