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. 2019 Nov 26;31(11):878–883. doi: 10.1589/jpts.31.878

Table 1. Isometric knee flexion and extension muscle values by 3 methods.

Actions Gender n Methods Mean (SD)
[Nm]
Knee extension F and M 26 Belt-HHD 158.0 (60.9)
Mod-IKD 136.3 (45.5)
Conv-IKD 191.9 (70.8)
M 16 Belt-HHD 193.2 (45.9)
Mod-IKD 157.8 (44.8)
Conv-IKD 234.8 (54.5)
F 10 Belt-HHD 101.6 (32.4)
Mod-IKD 101.9 (20.6)
Conv-IKD 123.2 (21.3)

Knee flexion F and M 26 Belt-HHD 67.9 (23.3)
Mod-IKD 81.4 (22.8)
Conv-IKD 81.3 (29.5)
M 16 Belt-HHD 80.1 (19.8)
Mod-IKD 94.2 (18.2)
Conv-IKD 98.3 (22.3)
F 10 Belt-HHD 48.4 (13.0)
Mod-IKD 61.0 (11.6)
Conv-IKD 54.0 (15.4)

F: female; M: male; Belt-HHD: Measurement using a HHD and a belt; Conv-IKD: Measurement using the isokinetic dynamometer sitting on an attached chair (Conventional IKD); Mod-IKD: Measurement using isokinetic dynamomete sitting on a mat table (Modified IKD).