Table 2

Descriptive statistics of clinical findings just after RTP

Clinical testMeasurement just after RTP
Mean (SD) HaOS (0-100)88 (12)
Median (IQR) Likert self-rating scale (0–7)0 (0–1)
Active knee extension test
 Mean (SD) deficit in angle (degrees)−2 (5)
 Discomfort (present/absent)1/63
Passive straight leg raise test
 Mean (SD) deficit in angle (degrees)−1 (4)
 Discomfort (present/absent)1/63
Isometric knee flexion resistance in 90°
 Mean (SD) force deficit (Newton)2 (15)
 Discomfort (present/absent)8/56
Isometric knee flexion resistance in 15°
 Mean (SD) force deficit (Newton)1 (16)
 Discomfort (present/absent)8/56
Localised discomfort on palpation hamstring muscles (present/absent)16/48
  • HaOS, Hamstring Outcome Score; RTP, return to play.