General Terms

Flexibility

The ability to move the body joints through a max range of motion without undue strain

Joint-Capsules

Semi-elastic structures that give joints strength and stability but limit movement

Collagen

White fibers that provide structure and support (found in tendons and ligaments)

Elastin

Yellow fibers that are elastic and flexible

Titin

Muscle filament with elastic properties

Flexion

Joint angle is decreased

Extension

Joint angle is increased

Muscle Relaxed

In resting state, the connective tissue has a wavelike structure

Muscle Stretching 1

The wavelike structure of the connective tissue straightens

Muscle Stretching 2

The connective tissue lengthens

Proprioceptive Neuromuscular Facilitation

A technique for stretching muscles that relies on neuromuscular reflexes to stimulate training effects

Muscle Stretch Reflex

Stretching causes muscle to contract