ATC Clinical Evaluation & Diagnosis 2

Question 1

During a dermatome assessment, an athlete reports loss of sensation along the lateral forearm and thumb. Which nerve root is most likely involved?

Accepted Answer

C6

Answer

The C6 dermatome covers the lateral forearm, thumb, and index finger.

Question 2

A positive Ober test indicates tightness of which structure?

Accepted Answer

Iliotibial band

Answer

The Ober test assesses iliotibial band and tensor fasciae latae tightness by lowering the leg in a sidelying position.

Question 3

Which special test is used to evaluate for a SLAP lesion of the shoulder?

Accepted Answer

O'Brien active compression test

Answer

The O'Brien active compression test is specifically designed to detect SLAP lesions and AC joint pathology.

Question 4

A basketball player presents with acute knee swelling within 2 hours of injury. This hemarthrosis most commonly suggests injury to which structure?

Accepted Answer

Anterior cruciate ligament

Answer

Rapid hemarthrosis (within 1–2 hours) is the hallmark of ACL tears due to disruption of the middle geniculate artery.

Question 5

When assessing acute low back pain, which finding would most warrant immediate referral to a physician?

Accepted Answer

Loss of bowel or bladder control

Answer

Loss of bowel or bladder control suggests cauda equina syndrome, a medical emergency requiring immediate referral.

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