Table 4

Quadriceps contusion severity as described by Ryan et al29 30

SeveritySymptomsDegree of knee flexion
MildNormal gait, localised tendernessActive knee flexion greater than 90°
ModerateAntalgic gait, swollen, tender mass in the quadricepsActive knee flexion between 45° and 90°
SevereSeverely antalgic gait, noticeably swollen, tender massActive knee flexion less than 45°