Femoroacetabular Impingement

Question 1

Which population are cam and pincer lesions more common?

Answer 1

Cam- femoral based lesion; MC in yound athletic males

Pincer- acetabular based; MC middle-age females

Question 2

What are physical exam findings of FAI?

Answer 2

1) Impingement test: flexion, internal rotation and adduction elicit groin pain
2) decreased flexion and especially internal rotation
3) Difficulty sitting
4) Obligate external rotation as hip brought into flexion

Question 3

A false profile view is used for what pathology?

Answer 3

FAI

Pelvis is at 65 deg to plate; assesses for anterior coverage of acetabulum on femoral head

Question 4

What are treatment options for FAI?

Answer 4

1) hip arthroscopy
2) open surgical hip dislocation
3) PAO
4) THA

Question 5

What areas are initially involved in cam and pincer lesions?

Answer 5

Pincer- labrum

Cam- acetabular cartilage