Weak arms can make exercise feel tricky before you even start. Getting down on the floor, holding weights, pushing through a painful shoulder, none of that sounds inviting. The good news is that a safe, useful workout doesn’t need strong arms. For many older adults, the best exercises are the ones that build leg strength, balance, posture, grip, and gentle shoulder movement without asking the arms to do too much too soon. A sturdy chair, a wall, a towel, and a little patience