arm, upper arm

naughty, mischievous, unruly

wristwatch, watch

ability, skill, facility

ability, skill, facility

strength in one's arms, physical strength, muscular strength...

ability, capability, skill

left arm, left-handed (baseball pitcher)

right arm, right-hand man, right hand...

both arms

strong arm

ability, capability, competence...

armband, arm band, brassard

folding one's arms

one arm, one's right-hand man, one's right hand

folding one's arms

thin arm, slender arm, slender means...

push-up (exercise), press-up

push-up (exercise), press-up

push-up (exercise), press-up

trying one's ability

highly skilled, skillful, very capable...

push-up

bracelet, bangle

bracelet, bangle

wrist

crossarm, bracket, blade...

main force, brute force, strong-arm

main force, brute force, strong-arm

main force, brute force, strong-arm