She grinned ruefully, stretching the unused muscles in her cheeks.

But long periods without activity can cause your child's joints to be less flexible and may eventually lead to weakness in unused muscles.

That ghostly pallor, the soft, unused muscles of her arms and legs.

The figure on the slab moved, a supine shrug, a testing of long unused muscles.

Lots of lifting was done yesterday, apparently using muscles unused on a bicycle.

He felt the numbness and pain that spring up in muscles long unused.

Just as an unused muscle grows weak in comparison to all the others, so too does an unused side of the brain.

Maybe empathy, like any unused muscle, simply atrophied.

Pain lanced up his arm-the legacy of muscles unused since birth.

Something stirred in Jason's mind, with the feeling of a long unused muscle being stressed.