Table 2.

Maximum voluntary isometric knee extension moment, moment normalized to body mass (norm), patellar tendon moment arm and rest length of the asymptomatic and symptomatic athletes (prior to symptom development)

	Asymptomatic	Symptomatic	p value	Cohen’s d
	n = 23	n = 14
Moment (Nm)	259 ± 93	286 ± 105	0.42	0.27
Momentnorm (Nm/kg)	3.8 ± 0.9	3.7 ± 0.9	0.71	− 0.13
Tendon moment arm (mm)	54.2 ± 2.4	55.7 ± 2.5	0.08	0.60
Tendon rest length (mm)	52.7 ± 5.2	53.8 ± 5.5	0.53	0.22