aging
body
body fat
body shape
change
cognitive function
elderly
exercise system syndrome
fat
flat
frail
frailty
health
healthy
healthy lifespan
human
illness
illustration
lack of exercise
locomotive syndrome
lose
loss
male
man
mass
metabolic
middleaged
muscle
muscle mass
muscular strength
obese
old
person
progression
senior
unhealthy
weakened
weight
whole body