Table 1 Characteristics of human muscles.

Lean mass (%) was assessed by dual-energy x-ray absorptiometry. Power is expressed by watt on kilograms (W/kg). Y, young participants, from 20 to 42 years old; A, aged participants, from 70 to 81 years old; M, male; F, female; ND, not determined.

ParticipantGenderAge (years)Height (m)Weight (kg)Lean mass (%)Power (W/kg)
Y1M20.91.8284.482.354.7
Y2F24.51.6356.278.451.1
Y3F26.11.5353.070.438.4
Y4M26.41.7656.789.248.6
Y5M27.11.8373.875.942.4
Y6M37.0NDNDNDND
Y7M38.0NDNDNDND
Y8M42.0NDNDNDND
A1F70.81.6870.258.922.3
A2M70.91.5865.170.434.5
A3M71.41.7690.764.529.7
A4M71.41.6884.466.327
A5F71.51.6153.367.621.2
A6M71.71.6769.479.235.3
A7M72.51.6774.370.434.7
A8M72.91.7491.664.228.1
A9M73.81.6776.071.736
A10F74.21.5458.364.026.3
A11M75.01.6980.068.329.4
A12M76.41.5867.774.725.6
A13M76.71.7685.567.425.8
A14F77.81.5855.570.822.2
A15M78.01.7580.368.522.6
A16M79.61.6767.980.926.3
A17F80.61.5956.371.229