1. Pathology of the
Muscular System

2. Muscle atrophy Weakening and wasting away of muscle tissue
Occurs with paralysis and other conditions
Can lead to contractures:
Joint remains in flexed position

3. Muscular Dystrophy

4. Muscular dystrophy Genetic disease
Progressive weakness and loss of muscle mass
No cure
Treatment:
Medication to slow
Braces
Corrective surgery

5. Fibromyalgia
A group of muscle disorders affecting the tendons, ligaments, and other fibrous tissues
Common sites of pain
Neck, shoulders, thorax, lower back, thighs
Myalgia common
Treatment: reduce stress, therapy, exercise

6. Hernia The abnormal protrusion of a body part into another body area
Result from weakness in stomach muscles
Treatment: bracing or surgery

7. Hernia

8. Poliomyelitis (Polio)
A viral infection
Results in paralysis of muscles
Prevented by vaccination which became available in the 1950’s
No cure

9. Myasthenia gravis
Nerve impulses not transmitted normally from brain to muscles
Considered an autoimmune disorder
Muscle weakness may become severe enough for life support. Severe cases may cause respiratory failure.

10. Muscle Pathology Muscle sprain Muscle strain
A traumatic injury to the tendons, muscles, or ligaments of a joint
Muscle strain
Torn or stretched tendons and muscles, causing pain
Muscle Pathology

11. Pes planus Flatfoot or fallen arches
Either congenital or from weakened foot muscles
May cause extreme pain

12. Tetanus – AKA “lock jaw”
Spores of tetanus bacteria are everywhere in the environment, including soil, dust, and manure. The spores develop into bacteria when they enter the body. Prevention: immunization
No cure-palliative care of symptoms