MMT

Question 1

MMT

Answer 1

manual muscle testing - method of assessing strength(not torque) that makes use of muscle or muscle groups ability to move against gravity or manual resistance - rating assigned after test - can utilize to initially test PROM and AROM

Question 2

Break test

Answer 2

with resistance applied at end range - gradually increase resistance until movement caused by therapist

Question 3

resistance through the range

Answer 3

sometimes called “make test”(not common) Disadvantages: - reliability is not good - therapist needs to be strong enough - takes a lot of time

Question 4

MMT grading

Answer 4

5 = normal = 100% 4 = good = 80% 3 = fair = 50% 2 = poor = 20% 1 = trace = 5% 0 = zero = 0% - includes + and - system

Question 5

factors to determine/rate a muscle grade

Answer 5

1) gravity 2) manual resistance 3) palpation(presence or absence of contraction)

Question 6

MMT subjectivity

Answer 6

PT’s strength is variable - PT’s experience

Question 7

screening tests

Answer 7

useful for more generalized involvement - screen upper and lower body in small amount of time - then narrow to specific joints - might be difficult to pick up impairments when using large muscle groups

Question 8

considerations when performing MMT

Answer 8

1) limited ROM 2) Fatigue 3) Pain 4) Substitution

Question 9

Limited ROM consideration

Answer 9

• specify rating for pt’s current ROM - ex: elbow flexion: 4 (0 - 90 degrees) - pt can only go from 0 to 90

Question 10

Fatigue consideration

Answer 10

• allow pt to rest specific muscles - either move to other muscles and go back - wait until next treatment

Question 11

pain consideration

Answer 11

• shouldn’t be performed if MMT increases pain(invalid) - many times, pt will have pain and okay to perform MMT

Question 12

substitution consideration

Answer 12

• body avoids using muscles that are injured or weak by compensating - correct patient into proper motion and rate

Question 13

MMT precautions and limitations associated with pt’s with neuromuscular conditions

Answer 13

• spasticity(increase in muscle tone) - don’t rate tone as strength - may be able to rate strength on some muscles

Question 14

MMT precautions and limitations associated with pt’s with cardiovascular conditions

Answer 14

• no valsalva maneuver - monitor BP and changes

Question 15

contraindications to performing MMT

Answer 15

acute inflammation or pain in the area - swelling or heat - will increase pain

Question 16

1 RM

Answer 16

max amount of force in 1 repetition - may perform with free weights or cable tensiometers

Question 17

advantages of 1 RM over MMT

Answer 17

• less subjectivity - functional test - valid

Question 18

disadvantages of 1 RM to MMT

Answer 18

• trial and error(length of time) - fatigue from finding specific weight - difficult to isolate one muscle - lots of muscles at once

Question 19

HHD

Answer 19

hand held dynamometer - microfet = most common

Question 20

issues to be aware of with HHD’s

Answer 20

• only measures force - usually use a make test - isometric - hard to get an accurate reading with break - stabilization of unit, examiner, and patient - test in gravity-minimized position whenever possible(don’t want body part weight involved)

Question 21

reliability with HHD

Answer 21

1) tester = tester strength is an issue 2) device = verify that device is accurate and calibrated 3) test procedures = same position and technique must be used 4) patient = must make sure it is the max value or close

Question 22

advantages of HHD to MMT

Answer 22

• objective test - can take tester strength out of test(straps) - portable and inexpensive

Question 23

disadvantages of HHD to MMT

Answer 23

• only isometric - can’t always take tester strength out