Cluster of Cook 1/3 | 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

 

Positive Outcome: Both items positive

Study

 Reliability Sn Sp LR+

LR-
Cook et al. (2010):
2 out of 2

NA

 35 89 3.3

0.73