Femoroacetabular Impingement (FAI)

Question 1

What is FAI?

Answer 1

-cam lesion
-pincer impingement
mixture of both

Question 2

what is a cam lesion

Answer 2

• -addition bone at the head and neck of femur
• 78% of impingement cases
• commonly seen on anteriosuperior aspect of femoral neck

Question 3

what is pincer impingement

Answer 3

• boney change in the aceatablum (hook)

- 42% impingement cases

Question 4

what are the causes of FAI?

Answer 4

• deformity due to over activity at growth plate between head and neck of femur during rapid growth in adolecents
• runs in the family (3 sibilings likely to have FAI)
• related to groin pain

Question 5

what are the symptoms of FAI?

Answer 5

• pain in groin or lateral hip
• common position of impingement is hip flexion with internal rotation and adduction
• decrease hip flexion
• decrease hip internal rotation
• pain on squatting, twisting, turning
• positive FADIR test

Question 6

what investigation would take place?

Answer 6

• X-Ray

- MRI

Question 7

what treatment would you give to FAI?

Answer 7

• avoid position of impingement
• increase hip flexion
• increase hip internal rotation

Question 8

what activity modification would you suggest?

Answer 8

• change position in team to decrease amount of changing direction
• reduce time in training and on field

Question 9

what is the impingement position

Answer 9

hip flexion, internal rotation and adduction