Cluster of Cook 3/3 | Patellofemoral Pain Syndrome

The Cluster Items are:

  1. Retropatellar pain during muscle contraction of the quadriceps against resistance of the examiner
  2. Pain reported by the patient during squatting
  3. Pain during kneeling

 

Positive Outcome: All 3 items positive

Study

 Reliability Sn Sp LR+

LR-
Cook et al. (2010):
3 out of 3

NA

 33 89 3.1

0.7