Unused muscles become stiff and painful.
And then you become stiff again.
Whip the whites with half of the sugar until they become stiff.
When the energy reserves are depleted, the myofibrillar proteins, actin and myosin, lose their extendability, and the muscles become stiff.
The motif tended to become stiff and inert by the 18th century, but its popularity never declined.
Equally, if you don't maintain flexibility in your spine, then it can become stiff and contribute to back pain".
This seemed to me often to become stiff, particularly in the heavy-handed passages of dialogue between Anna and Molly.
Simmer for 35 minutes, stirring occasionally to keep grits from sticking, and adding water if grits become stiff.
Imperial College London Having too much body fat makes arteries become stiff after middle age, a study finds.
It has been dead for about five days and its white scaly body has become stiff and bloated.
Ducks' erections are driven by lymphatic, not vascular, pressure, which means that their penises never become stiff.
