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49 Cards in this Set

  • Front
  • Back

Cycle of Immobility

1. Pain or immobility


2. Decreased Loading


3. Progressive adaptive shortening


4. Decreased mobility and function


5. Disuse/substitution

Stretching

Any therapeutic maneuver designed to increase mobility of soft tissues and improve ROM by elongating structures that have adaptively shortened and have become hypomobile over time

Flexibility

The ability to move a single joint or series of joints smoothly and easily through an unrestricted ROM

Dynamic flexibility

the degree to which an active muscle contraction moves a body segment through the available ROM of a joint

Passive flexibility

degree to which a body segment can be passively moved through the available ROM and is dependent on the extensibility of muscles and connective tissues

Hypomobility

decreased mobility (usually 1 joint)

Contracture

adaptive shortening of soft tissue surrounding joints hat resuts in a significant decrease in joint ROM

How is a contracture described?

By identifying the action of the shortened muscle


EX: elbow flexion contracture

Myostatic Contracture

Tendon is shortened

Pseudomyostatic contracture

hypertonicity from TBI or SCI

Arthrogenic and periarticular contracture

cartilage or things in joint

Fibrotic contracture

muscle tissue has developed scar tissue

Selective stretching

applying stretching techniques selectively to some muscles and joints but allowing limitation of motion to develop in other muscles or joints

Overstretching

stretch well beyond the normal lenggth of muscle and ROM of a joint and the surrounding soft tissues

Hypermobility

excessive mobility (DONT STRETCH)

Manual or Mechanical stretch

a sustain or intermitten external, end-range stretch force applied with overpressure and by manual contact or mechanical device

Passive stretching

No patient assistance

Assisted stretching

Pt. helping you with a stretch

Self-stretching

patient performs the stretch.

Neuromuscular facilitation and inhibition

Neuromuscular facilitation and inhibition procedures are purported to relax tension in shortened muslces during muscle elongation


(PNF)

Muscle Energy Techniques definition

manipulative procedures that are designed to lengthen muscle and fascia and to mobilize joints

How does muscle energy technique work?

Voluntary muscle contractions by the patient in a controlled direction and intensity against a counterforce applied by PT

Soft tissue mobilization/manipulation

designed to improve muscle extensibility and involve the application of specific and progressive manual force

Indications for Stretching

1. adhesions, contractures, scar tissue


2. Potential for structural deformity due to limited ROM


3. muscle weakness and shortening


4. part of a total fitness program


5. pre and post vigorous exercise

Contraindications for stretching

1. bony block


2. Non union fracture


3. acute inflammation or infection


4. sharp or acute pain with elongation


5. hematoma or tissue trauma


6. hypermobility


7. when hypomobility provides stability or neuromuscular control

Benefits from Stretching Exercises

1. Increased flexibility and ROM


2. General fitness


3. Injury prevention


4. Enhanced performance


5. reduced postexercise muscle soreness

Elasticity

ability of soft tissue to return to its prestretch resting length direction after stretch has been removed

Viscoelasticity

time dependent property of soft tissue that initially resists deformation but will gradually lengthen before returning to prestretch position

Plasticity

tendency of soft tissue to assume a new and greater length after the stretch force has been removed

Sarcomere give

when actin slides apart leading to abrupt lengthening of sarcomeres

What happens during immobilization to muscle?

1. decay or contractile protein


2. decrease in muscle fiber diameter, # of myofibrils


3 Increase in fatty tissue and fibrous units

Sarcomere absorption

sarcomers become reabsorbed=atrophy

Muscle spindle

Respond to changes in length and velocity

Golgi tendon organ

Respond to tension

Reciprocal inhibition

decrease of activity on opposide side (antagonist)

Autogenic inhibition

decrease of muscle tension with sustained stretch

Types of Connective Tissue

1. ligaments


2. tendons


3. joint capsules


4. fasciae


5. skin


6. non contractile tissue in muscles

Collagen fiber placement in tendons?

parallel

Collagen fiber placement in ligaments

vary

Collagen fiber placement in skin

random

Toe region

considerable deformation without the use of much force

Elastic region

continued stretching and elongation. Strain is proportional to force

Yield point

Beyond the tissue does not return to its pre stretch length

Plastic region

permanent deformation.

Failure point

rupture of tissues

Grade 1 Ligament injuries

microfailure, few fibers rupture

Grade 2 Ligament Injuries

Macrofailure, partial tear

Grade 3 Ligament Injuries

Complete rupture

Precautions for Stretching

1. nonselective or poorly balanced stretching activities


2. insufficient warm-up


3. ineffective stabilization


4. uSe of ballistic stretching


5. Excessive intensity


6. Abnormal biomechanics


7. Insufficient information about age-related differences