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CATA 441 - Manual Therapy > MET > Flashcards

MET Flashcards

1
Q

MET is an active or passive technnique

A

ACTIVE

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2
Q

4 barriers (in order)

A

Anatomical barrier
Elastic barrier
Physiological barrier
Restrictive barrier

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3
Q

MET is used to decrease the ___ barrier, and restore normal joint motion

A

Restrictive barrier

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4
Q

4 types of muscular contractions

A

Concentric
Eccentric
Isometric
Isolytic

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5
Q

What is an isolytic contraction?

A

Muscle contractions against resistance while forcing the muscle to lengthen. The operator’s force is more than the patient’s force

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6
Q

Muscle spindles are sensitive to what 3 things?

A
  • Sensitive to length change
  • Rate of length change
  • Change in tension
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7
Q

Stretching the MS increases the rate of impulses

A

POSITIVE impulses

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8
Q

Shortening the MS decreases the rate of impulse

A

NEGATIVE impulses

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9
Q

Static response from the MS involves

A

Primary and secondary afferents

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10
Q

Dynamic response from the MS involves

A

Only the primary afferent

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11
Q

Muscle spindle are extra or intra fusal fibers?

A

Intrafusal

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12
Q

Golgi tendon organ are extra or intra fusal fibers?

A

Extrafusal

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13
Q

GTO are sensitive and stimulated by

A

The tension developed by muscle fibers

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14
Q

If tension is too great, the GTO cause ____

A

Relaxation of the entire muscle

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15
Q

GTO prevents ____ or ____

A

Tearing of muscle or avulsion

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16
Q

GTO dynamic response:

A

Sensitive to quick change

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17
Q

GTO static response:

A

sensitive to slower, steady change

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18
Q

Explain reciprocal inhibition

A

Afferents send signal to the CNS, and sends efferent signal to contract agonist group
Signal crosses to opposite side causing relaxation of the antagonist muscle

ex: contraction of the quads causes relaxation of the hamstrings

19
Q

During vertebral somatic dysfunctions, hypertonicity is typically found in which 3 muscles

A

Multifidus
Rotatores
Intertransversarii

20
Q

Post-isometric relaxation

A

After and isometric contraction, a hypertonic muscle can be passively lengthened to a new length (autogenic inhibition)

21
Q

Reciprocal inhibition

A

When an agonist muscle contracts it usually forces the antagonist muscle to relax

22
Q

Indications for using post-isometric relaxation

A

Relaxing agonist’s muscular spams or contraction

23
Q

Indications for using reciprocal inhibition

A

Relaxing antagonist’s muscular spasm or contraction

24
Q

Isotonic concentric contraction

A

Patient’s force overcomes that of the practitioner. The patient can use up to maximal force, but built up slowly

25
Indications for isotonic concentric contraction
Toning weakened muscles
26
Other way to say isolytic contraction
Isotonic eccentric contraction
27
Indications for isolytic or isotonic eccentric contraction
Stretching tight fibrotic musculature inducing a controlled microtrauma - thus allowing an improvement in elasticity and circulation
28
Caution with isolytic contraction
Avoid on head/neck or at all if patient is frail, very pain-sensitive or osteoporotic
29
Crossed extensor reflex
Used in extremities where the muscle that requires treatment is in an area so severely injured, that it is directly unmanipulable or inaccessible
30
Example of crossed extensor reflex
Contraction of L triceps stimulates contraction of R biceps
31
Respiratory assistance - indications
To augment muscle contraction activity using the patient's voluntary respiratory motion involving the direct use of the respiratory muscles themselves,
32
Occulocephalogyric reflex
A nonspecific term for co-ordinated movement of the head and eyes in response to any stimuli
33
Indications for using occulocephalogyric reflex
To augment muscle contractions using eye motion
34
Indications for MET (4)
- Lengthen, shortened, contractured, or spastic muscle - Strengthen weakened muscle or group of muscles - Malpositioning of a bony element - Restoration of joint motion associated with articular dysfunction
35
Precautions while doing an MET (5)
Unknown pathology Stress fractures Strains, infections, or diseases causing MSK pain Osteoporosis or tumors in the area of treatment Caution for severely contracted/hypertonic muscles
36
Contraindications of MET (7)
- Acute MSK injuries - Unset or unstable fractures - Unstable or unfused joints - Vertebral artery or basiliar artery pathology - Upper cervical instability - Rheumatoid arthritis - Spondys
37
Good results of MET depend on: (3)
- accurate diagnosis - appropriate levels of force - sufficient localization
38
Errors commonly made by patients during MET
Too hard of contraction Contract in the wrong direction Sustain a contraction for too short of time Do not relax appropriately after a muscle contraction
39
Errors commonly made by therapist
Not accurately controlling the joint position Not providing counterforce in proper direction Not giving the patient proper instructions Moving to a new joint position too soon or too fast after the patient stops contracting
40
Explain method 1 for MET
Engage the restrictive barrier by stretching the shortened muscle, then ask the shortened muscle to contract, hence increasing the ROM by autogenic inhibition or because of post-isometric relaxation (PIR).
41
Explain method 2 for MET
Contract the weakened and lengthened muscle to strengthen it and to restore normal articulation
42
Why is method 2 not often used?
*painful for patient and difficult for therapist
43
Explain method 3 for MET
Engage the restrictive barrier by stretching the shortened muscle, then ask the lengthened\weak muscle to contract, hence causing the shortened muscle to relax through reciprocal inhibition, and increasing ROM.
44
8 essential steps of muscle energy
1. accurate diagnosis 2. localization to the restrictive barrier 3. unyielding counterforce 4. appropriate patient muscle effort (isometric - amount/direction/duration) 5. complete relaxation after the muscle effort 6. repositioning to the new restrictive barrier 7. repeat steps 3-6 for 3-5x 8. retest

CATA 441 - Manual Therapy (9 decks)

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