| Muscle Tone Muscle tone refers to the amount of tension or resistance to movement in a muscle. Muscle tone is what enables us to keep our bodies in a certain position or posture. Changes in muscle tone are what enables us to move. For example, to bend your arm to brush your teeth, you must shorten (increase the tone of) the biceps muscles on the front of your arm at the same time you are lengthening (reducing the tone of) the triceps muscles on the back of your arm. To complete a movement smoothly, the tone in all muscle groups involved must be balanced. The brain must send messages to each muscle group to actively change its resistance. Abnormal muscle tone is a prominent symptom of cerebral palsy. Web Resources for Muscle Tone: Muscle Tone - Google Search |
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