Muscle testing

Question 1

when a two joint muscle contracts across both joints simultaneously

Answer 1

active insufficiency

Question 2

when a two joint muscle is lengthened over both joints simultaneously

Answer 2

passive insufficiency

Question 3

What is a muscle insufficiency?

Answer 3

A contraction that is less than optimal due to an extremely lengthened or shortened position of the muscle

Question 4

grip used when strong or forceful grip is needed and involves stabilization of the object against the palm of the hand

Answer 4

power grip

Question 5

In a power grip, what is the position of the fingers and hand?

Answer 5

fingers in flexion

wrist in ulnar deviation/slight extension

Question 6

grip used when accurate and precise movements of the hand are needed

involves MCP and IP joints on the radial side of the hand

Answer 6

precision (prehension) grip

Question 7

types of power grips

Answer 7

• cylindrical grasp
• fist grasp
• spherical grasp
• hook grasp

Question 8

power grips: cylindrical

Answer 8

holding soda can

Question 9

power grips: fist grasp

Answer 9

grasping a hammer

Question 10

power grips: spherical grasp

Answer 10

holding a ball

Question 11

power grips: hook grasp

Answer 11

holding a pail

Question 12

types of precision grips

Answer 12

• digital prehension grip
• lateral prehension grip
• tip prehension grip

Question 13

precision grips: digital prehension grip

Answer 13

3 fingered pinch

pulp-to-pulp contact between thumb, index, and middle finger

holding a pelcil

Question 14

precision grips: lateral prehension grip

Answer 14

contact between thumb and lateral side of index finger

key grip

Question 15

precision grips: tip prehension grip

Answer 15

tip pinch

holding a needle

Question 16

make test

Answer 16

patient asked to apply a force against the dynamometer

Question 17

break test

Answer 17

patient asked to hold a contraction against pressure applied in the opposite direction to contraction