NPTE-PTA Musculoskeletal System 2

Question 1

Normal active knee extension range of motion is approximately:

Accepted Answer

0°

Answer

Normal knee extension is 0° (full extension), with hyperextension beyond 0° considered hypermobile.

Question 2

Which special test is used to assess the anterior cruciate ligament (ACL)?

Accepted Answer

Lachman test

Answer

The Lachman test is the most sensitive clinical test for ACL integrity, performed with the knee at 20–30° of flexion.

Question 3

A PTA is treating a patient post-total knee arthroplasty. Which motion is typically most restricted early post-op?

Accepted Answer

Flexion

Answer

Knee flexion is typically most restricted early after total knee arthroplasty due to swelling, pain, and surgical healing.

Question 4

The Thomas test is used to identify tightness in which muscle group?

Accepted Answer

Hip flexors

Answer

The Thomas test assesses hip flexor tightness by observing if the non-tested leg rises off the table during the test.

Question 5

Which fracture pattern is most common in osteoporotic vertebral compression fractures?

Accepted Answer

Wedge compression fracture

Answer

Wedge compression fractures are most common in osteoporosis, occurring at the anterior vertebral body.

NPTE-PTA Test Practice Test