Unit 3 Flashcards
Extensibility
Capability to be elongated or stretched.
Flexibility
The normal extensibility of all soft tissues that allows the full range of motion of a joint; improves range of motion.
Dynamic Range of Motion (ROM)
The combination of flexibility and the nervous system’s ability to control this range of motion efficiently.
Neuromuscular Efficiency
The ability of the neuromuscular system to allow agonist, antagonists, and stabilizers to work synergistically to produce force (concentrically), reduce force (eccentrically), and dynamically stabilize (isometrically) the entire kinetic chain in all three planes of motion.
Postural Distortion Patterns
Predictable patterns of muscle imbalances (which can lead to decreased neuromuscular efficiency and tissue overload).
Relative Flexibility
The tendency of the body to seek the path of least resistance during functional movement patterns.
- not a good thing
- not the way the joint was intended to move & leads to muscle imbalances.
Muscle Imbalance
Alteration of muscle length surrounding a joint.
3 causes of muscle imbalances
1) altered reciprocal inhibition (resulting in altered length-tension relationship)
2) synergistic dominance (resulting in altered force-couple relationship)
3) arthrokinetic dysfunction (leading to altered joint motion)
Reciprocal Inhibition
The simultaneous contraction of one muscle and the relaxation of its antagonist to allow movement to take place.
Altered Reciprocal Inhibition
The concept of muscle inhibition, caused by a tight agonist, which inhibits its functional antagonist; not a good thing.
Synergistic Dominance
The neuromuscular phenomenon that occurs when inappropriate muscles take over the function of a weak or inhibited prime mover.
Arthrokinematics
The motions of joints in the body.
Arthrokinetic Dysfunction
Altered forces at the joint that result in abnormal muscular activity and impaired neuromuscular communication at the joint.
Autogenic Inhibition
The process by which neural impulses that sense tension are greater than the impulses that cause muscles to contract, providing an inhibitory effect to the muscle spindles.
Pattern Overload
Consistently repeating the same pattern of motion, which may place abnormal stress on the body.
Davis Law
States that soft tissue models along the lines of stress.
3 phases of flexibility training within the OPT model (and describe each)
1) Corrective Flexibility (self-myofascial release; static stretch; improves muscle imbalances & altered joint motion).
2) Active Flexibility (self-myofascial release; active-isolated stretching; improves extensibility of soft tissue & increases neuromuscular efficiency).
3) Functional Flexibility (self-myofascial release; dynamic stretching; improves extensibility of soft tissue & increases neuromuscular efficiency).
Self-Myofascial Release (SMR)
A stretching technique that focuses on the neural system and fascism system in the body.
Used to help correct existing muscle imbalances, reduce trigger points (knots within the muscle) and inhibit overactive musculature.