One way is using 6 steps:
Arm aim rim rig big beg leg
I have heard it can be done in 5, but I haven't been able to figure that out yet.
Possibly:
ARM
1) AIM
2) RIM
3) RIG
4) REG
5) LEG
I'm not sure about REG though, despite the fact that spellcheck likes it.
MLM, Chicago
I found out how to do it in 5 : ARM AIM DIM DIG DOG LOG LEG
elbow
radii
An arm or a leg are three letter words for limbs.
The answer for upper limb is almost always "arm." Was the clue plural?
arm, leg, ear,
Ulna
The brachium means arm.
Some 3 letter words with the letter "r" in the middle are: are, bra, bro, arm, url, and ere.
· act · age · air · add · apt · ant · arm · ask · art
Arm flip
arm y it mean arm
The root or base word of 'disarming' is 'arm'.