Module 14

Question 1

True or False: 185,000 people have an amputation each year.

Answer 1

True

Question 2

The prosthetics abandonment rate is _____, which leads amputees to higher risk of overuse injuries.

a.) 50%
b.) 65%
c.) 75%
d.) 80%

Answer 2

c.) 75%

Question 3

In the sEMG study, the amputee highest average classification accuracy was ____, with an average of ___ independent movements.

a.) 50%; 11
b.) 50%, 5
c.) 70%, 9
d.) 70%, 11

Answer 3

b.) 50%, 5

Question 4

In the sEMG study, the intact subjects’ highest average classification accuracy was ____, with an average of ___ independent movements.

a.) 50%; 11
b.) 50%, 5
c.) 70%, 9
d.) 70%, 11

Answer 4

d.) 70%, 11

Question 5

True or False: the most difficult part of sEMG prosthetics is mapping the EMG signal to a movement.

Answer 5

True

Question 6

___________ is an integrated prosthetic control system, implanted within residual limb muscles.

a.) sEMG prosthetics
b.) IMES
c.) iEMG

Answer 6

b.) IMES

Question 7

________ measures unilateral gross manual dexterity.

a.) Box and Blocks Test
b.) Southampton Hand Assessment Procedures

Answer 7

a.) Box and Blocks Test

Question 8

_________ is a clinically validated hand function test.

a.) Box and Blocks Test
b.) Southampton Hand Assessment Procedures

Answer 8

b.) Southampton Hand Assessment Procedures

Question 9

True or False: the IMES has 5 degrees of freedom and up to 8 sensors.

Answer 9

False; 3 DOF and up to 8 sensors

Question 10

Which of the following is NOT one of the Degrees of Freedom in the iEMG test?

a.) finger flex/extend
b.) thumb adduction/abduct
c.) wrist pronation/supination
d.) elbow internal/external rotation

Answer 10

d.) elbow internal/external rotation

Question 11

True or False: in the iEMG study, participants began with simple two-handed tasks and advanced towards more complex, one-handed tasks.

Answer 11

False; began with simple one-handed tasks and advanced towards more complex, two-handed tasks

Question 12

True or False: in the iEMG study, participants had no ROM or sweat limitations.

Answer 12

True

Question 13

True or False: in the iEMG study, participants reported greater accuracy, fluidity, quickness, increased stamina, and less fatigue during the day.

Answer 13

True

Question 14

True or False: the BBT and SHAP nearly tripled in the iEMG study.

Answer 14

False; nearly doubled

Question 15

____________ was a negative outcome of the iEMG study.

a.) less intuitive control
b.) sudden losses of power
c.) less desire to wear than previous devices
d.) less task variety and complexity

Answer 15

b.) sudden losses of power