Good Question: What Are Those Elastic Bands Athletes Wear?

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(CBS)

(CBS)

(CBS 5) — They may appear as a fashion statement on your favorite ball player, but they do serve a purpose. Marlene asked this Good Question: What are those elastic bands that athletes wear on their arms and legs?

Our video report has more.

(Copyright 2011 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

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