CPT Anatomy, Biomechanics, & Gait Analysis

Question 1

Which joint primarily enables flexion and extension of the knee?

Accepted Answer

Tibiofemoral joint

Answer

Hip joint

Answer

Ankle joint

Answer

Patellofemoral joint

Question 2

What is a key purpose of biomechanical alignment in prosthetics?

Accepted Answer

Optimize force distribution and gait efficiency

Answer

Improve cosmetic appearance

Answer

Enable high jumping

Answer

Strengthen surrounding joints

Question 3

What phase of gait begins when the heel strikes the ground?

Accepted Answer

Stance phase

Answer

Swing phase

Answer

Push-off phase

Answer

Recovery phase

Question 4

Which muscle group is primarily responsible for knee extension?

Accepted Answer

Quadriceps

Answer

Hamstrings

Answer

Gastrocnemius

Answer

Gluteals

Question 5

What is a common gait deviation in a transfemoral prosthetic user?

Accepted Answer

Circumduction

Answer

Trendelenburg gait

Answer

Antalgic gait

Answer

Vaulting

Question 6

Which factor most influences step symmetry in a prosthetic gait?

Accepted Answer

Socket fit and alignment

Answer

Foot color

Answer

Prosthesis weight alone

Answer

Height of contralateral limb