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SJSU Kin 147 Exam 1 Questions And Answers Rated 100% Correct!!
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Where should the examiner place their hand during MMT? - ️️- in a position that maximizes mechanical advantage by increasing moment arm of your resistance force (*think class 3 lever) -to resist the patient isometrically, the amount of torque you apply must match the amount of torque the pa...

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  • October 6, 2024
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  • 2024/2025
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SJSU Kin 147 Exam 1
Where should the examiner place their hand during MMT? - ✔️✔️- in a position that
maximizes mechanical advantage by increasing moment arm of your resistance force
(*think class 3 lever)
-to resist the patient isometrically, the amount of torque you apply must match the
amount of torque the patient applies (this is static equalibrium)


How would you use 3D motion capture to quantify how much "sway" a concussed
participant has during gait? - ✔️✔️You measure a persons' center of mass sway in the
frontal plane


concentric contraction - ✔️✔️muscle shortens as it maintains tension

eccentric contraction - ✔️✔️muscle lengthens as it maintains tension

isometric contraction - ✔️✔️Muscle contracts but there is no movement, muscle stays
the same length

What type of contraction is used during MMT? - ✔️✔️-usually isometric contraction
-examinar places patient in optimal position and tries to "break" the patient by moving
them away from their isometric hold

Where should the participant be placed for manual muscle testing? - ✔️✔️-in a position
of advantage
-muscle is generally placed at optimum muscle length tension relationship

What does an MMT grade of zero signify? - ✔️✔️none- no visible or palpablwe
contraction

What does an MMT grade of 1 signify? - ✔️✔️trace- visible or palpable contraction with
no motion

What does an MMT grade of 2 signify? - ✔️✔️poor- full ROM, gravity eliminated

What does an MMT grade of 3 signify? - ✔️✔️fair- full ROM against gravity

What does an MMT grade of 4 signify? - ✔️✔️good- full ROM against gravity,
moderate resistance

, What does an MMT grade of 5 signify? - ✔️✔️normal- full ROM against gravity,
maximal resistance

T/F: You can modify a patients postion during a physical exam if they are unable to
place themselves in an optimal position by eliminating gravity - ✔️✔️True


Name different ways to assess muscle function? - ✔️✔️strength testing
manual muscle testing
dynamometry
electromyography

Torque equals... - ✔️✔️Force times moment arm

T=Fxd

T/F: muscle torque equals resistance torque - ✔️✔️true

What is dynamometry? - ✔️✔️the process of measuring forces that are doing work

Name 3 methods of dynamometry - ✔️✔️handheld
biodex
humac norm

isometric dynamometry - ✔️✔️push against immobile resistance

concentric dynamometry - ✔️✔️push against resistance; speed not consistent

eccentric dynamometry - ✔️✔️push against resistance; resistance wins

isokinetic - ✔️✔️push against resistance at constant speed

What type of dynamometry measure is the most common? - ✔️✔️isometric
dynamometry

What can dynamometry measure? - ✔️✔️peak force
average force
power (force/time)
time to force peak or decline (fatigue)

What is the gold standard for dynamometry? - ✔️✔️isoketic dynamometry

What are the advantages of isokinetic dynamometry? - ✔️✔️-able to compare between
subjects

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