Upper Extremity

Question 1

Upper extremity function

Answer 1

transport hand to desired location
grasp
tactile identification 
visual coordination 
body language
balance (arm swing etc.)

Question 2

Examples of upper extremity impairments

Answer 2

peripheral (fracture, ligs)
chronic (osteoarthritis)
neuro (stroke)

Question 3

how many degrees of freedom does reaching have

Answer 3

> 7

Question 4

Why do we care about degrees of freedom

Answer 4

means multiple ways to reach for target

Question 5

T/F elbow and shoulder joint can plan independent of each other in reaching

Answer 5

false

Question 6

feed forward neuro control

Answer 6

movements based on experience

anticipates

Question 7

feedback neuro control

Answer 7

continuously regulates mm activity through reflex

reactive

Question 8

do most movements use feedback or feedforward

Answer 8

combination

Question 9

Agonist

Answer 9

concentric

Question 10

antagonist

Answer 10

opposing concentric

Question 11

Fitts Law

Answer 11

increase accuracy, decrease speed
tapping, reaching, grasping
small object = more time

Question 12

what improves hand function

Answer 12

trunk/core exercises

Question 13

Fitts law doesn’t apply to

Answer 13

traumatic brain injury, strokes

Question 14

T/F does reaching for goal orientated movement impact kinematics

Answer 14

True - smoother, faster

Question 15

when does max grip aperture occur

Answer 15

at 75% of reach movement time

Question 16

which hemisphere is usually dominant for language

Answer 16

left cerebral hemi

Question 17

T/L left handed people stronger in left

Answer 17

F they equal

right handed is more strong in right tho

Question 18

T/F bone mineral density 3% lower in dominant hand

Answer 18

False, its 3% higher

Question 19

Grips tests

Answer 19

Hand Grip Jamar dynamometer

Question 20

3 types of pinch

Answer 20

tip, key, palmar

Question 21

define dexterity

Answer 21

speed, coordination, fine motor interaction w enviro

measure of function for UE

Question 22

Pinch tests

Answer 22

nine hole peg, box n block

Question 23

Quick dash questions

Answer 23

daily living (jar, chores, washing, knife, golf)
symptoms (tingles, sleep, pain)