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. 2007 Nov;41(11):728–732. doi: 10.1136/bjsm.2007.037085

Table 3 Knee extension/flexion peak torque and work to body weight ratios for female elite junior tennis players age 11–15 (all values expressed as (%) in foot pounds relative to body weight pounds).

Parameter/speed (n = 24) Left (non‐dominant) Right (dominant)
Mean SD Mean SD
Knee extension
Torque/BW 180 49.5 10.8 50.2 13.0
Torque/BW 300 39.3 12.7 39.8 13.1
Work/BW 180 50.4 13.6 48.0 14.6
Work/BW 300 35.7 11.7 34.2 12.6
Knee flexion
Torque/BW 180 30.5 9.6 29.4 8.1
Torque/BW 300 23.7 9.4 24.9 9.1
Work/BW 180 29.6 11.9 29.0 10.4
Work/BW 300 20.5 11.0 21.6 9.7