Video-based assessment of foot strike pattern and step rate is valid and reliable in runners with patellofemoral pain.

This is a study by JF Esculier and colleagues from Nov 2016 last year. OBJECTIVES: “To evaluate, during treadmill running in runners with patellofemoral pain (PFP), the concurrent validity of determining foot strike pattern using 2D video and the intra- and inter-rater reliability of foot strike pattern and step rate assessments between a novice and…