Table 1.  Kinetic parameters of lower limbs during vertical jump. Data are means (±SD).
 

Young Group

Older Group

Maximum normalized Fy (BW)

 1.20 (.06)

1.02 (.13) *

Maximum normalized M (Nm·kg-1)

Hip

 2.45 (.36)

1.79 (.32) *

Knee

 1.52 (.16)

.81 (.26) *

Ankle

 1.86 (.18)

1.61 (.23) *

Maximum normalized P (W·kg-1)

Hip

10.80 (1.27)

 5.39 (1.79) *

Knee

 6.19 (1.18)

 2.58 (.99) *

Ankle

16.91 (3.21)

10.01 (2.47) *

Normalized total W (J·kg-1)

Hip

 2.73 (.73)

 1.54 (.66) *

Knee

1.62 (.27)

.83 (.39) *

Ankle

1.80 (.17)

1.19 (.39) *

* significant difference between groups, p < 0 .05.