Stretching PP Highlights
Card Set Information
Stretching PP Highlights
Stretching power point PTA 202
Various terms and points from stretching PP.
Muscle/tendon short, responds well to stretch
Increase in tone due to CNS dysfunction (severe spasticity)
Looks like but is not muscular; result is muscle tightness
Small, abnormal bony outgrowth.
Replacement of CT resulting in irreversible contracture (may require surgery)
Articular cartilage irregular
Patient assists in moving joint
Types of self stretching
Flexibility exercise, active stretching, self-stretching
Neuro muscular inhibition techniques: muscle spindle
Muscle sensory organ that senses muscle length
Stimulated by quick stretch, causing contraction of muscle and inhibition of antatgonist
Neuro muscular inhibition techniques: GTO
Golgi tendon organ
By muscular junction
Senses tension in muscle from prolonged stretch or prolonged contraction
Protective mechanism to inhibit tension in muscle
3 types of CT behavior during stress
Tension- Force pulling away
Compression- force pushing towards
Shear- Parallel force
Toe Region CT
Deformation of CT without much force. Stretches out wave of collagen fibers.
Go to EOR and a gentle stretch is applied
Bonds between fibers strained.
Micro failure between collagen bonds begins
Tissue returns to original size and shape when load released if not maintained
Range beyond elastic going to point of rupture
Tissue strained will have permanent deformation when stress released
Failure of bonds between collagen fibrils and eventually collagen fibers
Collage fibers rupture resulting in increased ROM
Tissue will return to shortened length after a stretch unless...
The tissue is used
To increase ROM...
Collagen bonds must be broken, realignment of fibers must occur for permanent elongation
Complete failure may occur from...
Manipulation/trauma or repetitive submaximal stress
Effects of immobilization on CT
Weakening of tissue and bonds
Return to normal tensile strength slow
Effects of Inactivity on CT
Decrease in size/amount collagen
Weakening of tissue
More elastic fibers
Effects of corticsteriods on CT
Decrease in tensile strength
Determinants of stretching
Alignment and stability
Intensity of stretch
- Gentle, low intensity for increased comfort and to prevent muscle guarding
- To increase ROM without excessive load/possible injury
After application of stretch what position and modality?
Cool in a lengthened position
Immobilized tissue reaches...
Failure more easily
Remodeling and maturation beings.... (time)
3 weeks and continues months to a year