His shoulders strained his shirt as he held himself aloft.

His shoulders strained, but he moved fast; the saw zipped through the bone in less than sixty seconds.

He shoved harder, the muscles in his shoulder straining.

Her back was ramrod straight, her shoulders straining against the need to shake.

She was more than six feet tall, with broad shoulders straining the seams of a black Persian lamb coat.

Her shoulders and arms strained at the oars.

Yarrl lifts the crane base, his shoulders straining, and sets it on the back of the forge.

The copilot's big shoulders strained at the seams of his heavy ribbed sweater.

The old sea-captain's taut shoulders strained the sleeves of his Trader's robe.

He shrugs lazily, massive shoulders straining the seams of his velvet jacket.