Table 2.

Effects of age on general characteristics, MT, PA, muscle mass, grip strength, gait speed and SPPB

Characteristic	Correlation with age
Male	Female
BMI	−0.043	−0.109
Waist-to-hip ratio	0.078	0.220**
Anterior radial muscle thickness	−0.236*	−0.211**
Anterior ulnar muscle thickness	−0.148	−0.234**
Posterior tibial muscle thickness	−0.103	−0.209**
Posterior fibula muscle thickness	−0.038	−0.097
PA (gastrocnemius lateralis)	0.112	−0.017
PA (gastrocnemius medialis)	−0.069	−0.055
LM	−0.249*	−0.268***
Android LM	−0.074	−0.243**
Gynoid LM	−0.168	−0.295***
Trunk LM	−0.243*	−0.254***
Upper limb LM	−0.305**	−0.205**
Lower limb LM	−0.193	−0.233**
aLM	−0.239*	−0.234**
RASM	−0.136	−0.059
Grip strength	−0.363***	−0.320***
Gait speed	−0.239*	−0.357***
SPPB	−0.488***	−0.189*

Notes: *p<0.05; **p<0.01; ***p<0.001.

Abbreviations: BMI, body mass index; PA, pennation angle; LM, total lean mass; aLM, appendicular lean mass; RASM, relative appendicular skeletal muscle mass; SPPB, short physical performance battery.