Table 5 Correlations between current PA level or type of PA and functional capacities and body composition, among subjects≥65 years old (n = 186)

 Total LBM (kg)

0.13

0.08

−0.18

0.01

0.07

0.34

0.35

< 0.001

Appendicular lean mass (kg/m²)

0.13

0.09

−0.02

0.84

0.06

0.45

0.25

0.001

 Fat mass (%)

−0.12

0.12

0.24

0.001

−0.09

0.23

−0.31

< 0.001

MUSCLE FUNCTION

 Grip strength (kg)

0.04

0.57

−0.13

0.09

−0.005

0.95

0.25

0.001

 Relative grip strength (kg/BW)

0.38

0.23

0.15

0.63

0.38

0.23

0.11

0.72

 Muscle Power (N; Takaï)

0.15

0.08

0.02

0.81

0.09

0.30

0.22

0.009

 Knee extension strength (kg)

0.18

0.02

−0.04

0.63

0.10

0.20

0.33

< 0.001

 TUG (s)

−0.04

0.57

0.06

0.43

− 0.015

0.85

−0.14

0.06

 Fast TUG (s)

−0.07

0.33

0.014

0.86

−0.02

0.80

−0.19

0.01

 Sit-to-stand (s)

−0.19

0.02

0.05

0.57

− 0.14

0.08

−0.23

0.004

 Balance (s)

0.14

0.06

0.09

0.20

0.08

0.29

0.11

0.13

 Alternate step test (n)

0.11

0.16

0.05

0.51

0.09

0.24

0.03

0.67

 Estimated VO2 max (ml/min/kg)

0.18

0.02

−0.08

0.33

0.18

0.02

0.12

0.14