三頭筋
abdominal
abs
african american
alternating
arms
athletic
battle ropes
biceps
cap
determination
determined
difficult
dynamic
effort
endurance
fit
fitness
functional
gym
heavy
highintensity
hiit
indoors
intense
intensity
interval
lifting
male
man
motion
muscles
muscular
night
portrait
power
powerful
pump
ropes
serious
shirtless
six pack
sport
strength
strong
sweat
training
waving
workout
young