TUCSON, Ariz. — When a person starts to lose their balance on a slippery surface, the natural reaction is to raise the arms to restore balance. Adults age 65 and older may move their arms more slowly ...

There’s a reason that region has so many muscles — the forearm and hand (which has another 11 muscles itself) are responsible for a wide variety of movements, including flexion, extension, abduction ...

When a person starts to lose their balance on a slippery surface, the natural reaction is to raise the arms to restore balance. Adults age 65 and older may move their arms more slowly when slipping, ...