Strenuous, social exercise: Camas’ Mountain Tops promotes fitness for people with developmental disabilitiesSubscriber Exclusive

CAMAS — Healthful exercise can require serious effort and focus, like maintaining yoga’s difficult boat pose, which requires balancing on your bottom while holding up your legs and torso rigidly, forming a human V.

But healthful exercise can also be joking and giggling with friends while running hand-in-hand along a lakeside pathway on a spring afternoon.