MMT Lower Extremity Testing 2

Question 1

When testing hip abductor strength at grade 3, what is the correct patient position?

Accepted Answer

Side-lying with test limb uppermost

Answer

Grade 3 hip abduction is tested in side-lying so the patient must move the limb against gravity without added resistance.

Question 2

Which muscle is the primary hip external rotator tested with the patient prone and knee flexed to 90°?

Accepted Answer

Piriformis

Answer

The piriformis is a primary hip external rotator and is isolated in prone with the knee flexed, allowing the therapist to apply resistance to the lower leg.

Question 3

A patient can complete full knee extension ROM against gravity but cannot tolerate any added resistance. What MMT grade is assigned?

Accepted Answer

Grade 3

Answer

Grade 3 (Fair) indicates the ability to complete full ROM against gravity with no additional resistance.

Question 4

During ankle plantar flexion MMT, why is a single-limb heel raise preferred over manual resistance in supine?

Accepted Answer

It provides a functional body-weight load that standard manual resistance cannot replicate

Answer

The gastrocnemius and soleus must lift body weight during a heel raise, making it a more valid functional test than therapist-applied resistance in supine.

Question 5

Which nerve root level is primarily assessed when testing great toe extension strength?

Accepted Answer

L5

Answer

Extensor hallucis longus, the primary great toe extensor, is innervated by the deep peroneal nerve at the L5 nerve root.

(MMT) Manual Muscle Testing Practice Test

(MMT) Manual Muscle Testing Practice Test

MMT Lower Extremity Testing 2