Exam2

Question 1

The most challenging factor in achieving a functional swing phase of gait for the user of a transfemoral prosthesis is

1. The lack of active ankle dorsiflexion in most prosthetic designs
2. The risk of knee buckling during weight acceptance.
3. Incorporating the optimal amount of friction into the knee joint
4. The need for the patient to use hip flexors instead of hamstrings for foot clearance

Answer 1

The lack of active ankle dorsiflexion in most prosthetic designs.
double check

Question 2

The purpose of a cushioned heel on a prosthetic foot is to

1. Lessen the impact of initial floor contact
2. Simulate articulated ankle plantar flexion
3. Decrease the noise associated with prosthetic ambulation
4. answers 1 and 2

Answer 2

1. Lessen the impact of initial floor contact

2. Simulate articulated ankle plantar flexion

Question 3

Perry and a group of PTs from Rancho Los Amigos Hospital described the three functional tasks/phases of walking as

1. Balance, force generation, and stability
2. Acceleration, deceleration, and stopping
3. Starting, slowing, and swinging
4. Weight acceptance, single-limb support, and swing limb advancement

Answer 3

Weight acceptance, single-limb support, and swing limb advancement

Question 4

Individuals with dysvascular transtibial amputation who typically exhibit some weakness will shift the weight line __________ to the to the knee during loading response, which results in____________ knee flexion throughout the stance phase and ___________ flexion in swing.

1. Anterior, increased, delayed
2. Anterior, reduced, delayed
3. Posterior, increased, early
4. Posterior, reduced, delayed

Answer 4

2. Anterior, reduced, delayed

Question 5

In the gait training progression sequence what is an advanced activity?

1. anterior posterior weight shifting without UE support
2. braiding
3. stepping at a quick speed
4. unilateral stance on the prosthetic limb

Answer 5

2 braiding

Question 6

During normal human locomotion there is a slight ________ moment at the knee during midstance

varus
valgus
rotational
flexion

Answer 6

varus

Question 7

MAtch the gait deviation with the lost likely cause

lateral heel whip
lateral trunk bend
circumduction
knee instability
reduced velocity

A. 	knee bolt set with too much internal rotation
B. 	excessive medial brim pressure
C. 	weak hip extensors
D. 	fear of ambulation with prosthesis
E. 	weak gluteus medius

Answer 7

lateral heel whip A.knee bolt set with too much internal rotation
lateral trunk bend E. weak gluteus medius
circumduction B. excessive medial brim pressure
knee instability C. weak hip extensors
reduced velocity D. fear of ambulation with prosthesis

Question 8

A child born with a congenital BE amputation should receive the first prosthesis at what age?

a) fit immediately at the hospital after birth
b) at 3 months of age
c) at 6 months of age
d) at the prerogative of the pediatrician

Answer 8

at 3 months of age

Question 9

In order to operate a body powered device, the user must Blank 1 the Blank 2 shoulder to activate the terminal device

Answer 9

protract

contralateral

Question 10

A body powered terminal device can be both a resting open and resting closed device

True

False

Answer 10

False

Question 11

Users control some prosthetic elbow motion using gravity and momentum

True

False

Answer 11

True

Question 12

Young children with bilateral TF amputations are typically started in what type of prosthesis?

a) bilateral stubbies
b) 1 fixed knee and 1 mechanical knee
c) bilateral C legs
d) young chldren do not receive prosthesis

Answer 12

bilateral stubbies