Smooth muscle in the skin causes goose bumps to form in response to cold.

These weakened muscles cause a greater reliance on the corset.

The imbalanced muscles cause people to continue to perform these repetitive actions.

As a person grows, the same muscles or other muscles may become tight and cause contractures.

Using steroids to build muscle is illegal and can cause many health problems, including:

The burn was so severe, the muscles contracted and caused the leg to "draw up".

To focus on distant objects, the controlling muscles cause the lens to be relatively flattened.

But all weight training exercises will slowly cause muscles to be tired and cause small strain in the muscle area they use.

But when I start running fast, my muscles generate lactic acid and cause me to slow down.

In this case, the short muscles of the hand would be affected and cause the inability to form a full fist position.