The Muscles - Trouble spots



The functions and failures of the skeletal muscles are closely allied to those of the skeletal system. The same areas are vulnerable—joints and back—and the same rule holds: severe or persistent muscle pain is a cause to consult your physician.

Hernia

One type of disorder associated exclusively with a weakness or abnormality of muscle is a rupture or hernia . This is the protrusion of part of another organ through a gap in the protective muscle. A likely area for a hernia to appear is in the muscles lining the abdomen, although hernias may occur in any other part of the body where there is pressure against a muscle wall that is not as strong as it should be. Weight control and a sensible program of exercise—abdominal muscles being particularly liable to slackness—are good preventive measures against hernia.

All our muscles, in fact, benefit from regular exercise; but you don't have to exhaust yourself physically every day to reach and maintain the desirable plateau physicians describe as good muscle tone.

Atrophy of Muscle Tissue

Muscle tissues are likely to atrophy (shrink and weaken) if they are not used for too long a time. Thus, illness or injuries that cause paralysis or an extended period of immobility for the body or a part of it must be followed by a supervised program of physical therapy. See also Ch. 8, Diseases of the Muscles and Nervous System .

Structure of the Femur

Muscular Contraction



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