Table 3.

Isokinetic knee extension power in young and older adults.

Isokinetic velocity (°/s)	N (Y/O)	Knee extension power (Nm)		P value for age effect
		Y	O
Absolute
60	11/9	168.8 ± 6.2	123.3 ± 8.2	< 0.01
120	11/9	283.4 ± 11.1	205.5 ± 14.6	< 0.01
180	10/9	353.5 ± 15.4	253.1 ± 19.5	< 0.01
240	10/9	405.5 ± 16.4	285.5 ± 20.8	< 0.01
300	10/7	436.7 ± 15.1	321.5 ± 25.8	< 0.01
Adjusted*
60	11/9	158.2 ± 5.6	120.9 ± 6.3	< 0.01
120	11/9	262.1 ± 8.8	200.9 ± 9.9	< 0.01
180	10/9	330.9 ± 13.9	247.3 ± 15.3	< 0.01
240	10/9	380.4 ± 14.4	279.1 ± 15.9	< 0.01
300	10/7	408.3 ± 10.2	319.4 ± 14.8	< 0.01

Data are presented as mean ± SE.

N indicates the number of subjects.

Y = young; O = older.

^*Adjusted for leg fat-free mass (kg) measured from DEXA.