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What type of strength testing uses repetition maximum?
isotonic
What type of strength testing uses a dyanmometer?
isokinetic
What type of strength testing uses MMT, dynamometer, and HHD?
isometric
what is isotonic testing
joint movement occurs against a fixed or variable external load
what is isokinetic testing?
joint movement that occurs at a fixed speed, load is matched to maintain
what is isometric testing?
static testing with no apparent joint motion
define MMT
a system of measurement using manually applies resistance to determine strength of a muscle
what is a 5 MMT
Normal- can move through full available ROM against gravity and hold against maximal manual resistance
which MMT test should you start with on a patient
Fair test (full ROM against gravity) then move up or down accordingly
what is a break test?
most commonly used in mmt, where pt applies resistance and tells patient to resist
what variables affect “normal” mmt results
size, age, gender
what should be used as comparison of normal during an mmt?
the good side
what is it important to prevent during MMT?
substitution
what MMT grades have strong relationships w/ other strength measures?
grades below 4
What does an MMT grade of 4 mean?
good- able to move through full ROM against gravity and hold against moderate resistance
What does an MMT grade of 3+ mean?
fair+ : able to move through full ROM against gravity and hold against minimal resistance
What does an MMT grade of 3 mean?
fair : able to move through full ROM against gravity
What does an MMT grade of 3- mean?
fair- : able to move through more than half ROM against gravity
What does an MMT grade of 2+ mean?
poor+ :able to move through less than half RM against gravity
What does an MMT grade of 2 mean?
poor: able to move through full ROM in gravity minimized position
What does an MMT grade of 2- mean?
poor- : able to move through partial ROM gravity minimized
What does an MMT grade of 1 mean?
Trace: no joint motion, gravity minimized position, muscle contraction palpable or observable
What does an MMT grade of 0 mean?
no observable or palpable muscle contraction
