Muscular SystemMuscular System

Muscle Injuries and DiseasesMuscle Injuries and Diseases

Muscle InjuriesMuscle Injuries

• 1. Strain- is the tearing or 1. Strain- is the tearing or stretching of muscle fibers when stretching of muscle fibers when they are suddenly pulled apart too they are suddenly pulled apart too far. far.

Treatment for StrainTreatment for Strain

1. Apply an ice pack to the affected area.1. Apply an ice pack to the affected area. 2. Take Analgesics.2. Take Analgesics.

2. Cramp2. Cramp• It is an uncontrolled and prolonged It is an uncontrolled and prolonged

contraction of a muscle accompanied contraction of a muscle accompanied by pain. by pain.

• It is caused by build up of lactic acid in the muscle during of immediately after a strenuous exercise.

• Lactic Acid-Milk Acid

It is also caused by lack of oxygen in the muscle due to poor blood circulation when in awkward sitting position.

Treatment for Cramps• Massage the affected area.

3. Bruise• Discoloration of the muscle. Black

and blue spot caused by the blood from the injured muscle (pasa).

Treatment for BruisesTreatment for Bruises

• Cold compress to prevent swelling and ease the pain.

Diseases and Disorders of muscles Diseases and Disorders of muscles and Tendonsand Tendons

1. Tendinitis is an inflammation or 1. Tendinitis is an inflammation or swelling of the tendons specially in swelling of the tendons specially in the knees, heels, shoulders, and the knees, heels, shoulders, and elbow.elbow.

Treatment for TendinitisTreatment for Tendinitis

Doctors use anti-inflammatory drugs Doctors use anti-inflammatory drugs to cure tendinitis.to cure tendinitis.

2. Trigger Finger2. Trigger Finger

The sheath around the tendon The sheath around the tendon become swollen. The finger become swollen. The finger becomes swollen. becomes swollen.

• It is called trigger finger because when the finger unlocks, it pops back suddenly, as if releasing a trigger on a gun.

Treatment for Trigger Finger

• 1. Corticosteroid injection.

2. Operations

3. Infection• A. Gangrene is the death of muscle

tissues due to bacterial infection or the absence of blood supply.

Treatment for Gangrene

• The affected part is cut off.

4. Tumors• It is an abnormal mass of tissue. It

occurs mostly to women. It ussually develop in the uterus.

Treatment for tumorTreatment for tumor

OperationOperation

5. Myasthenia Gravis5. Myasthenia Gravis

Or Serious Muscle WeaknessOr Serious Muscle Weakness The muscle become weak and tire The muscle become weak and tire

easily.easily.

Treatment of Myasthenia GravisTreatment of Myasthenia Gravis

Continuous medicationContinuous medication

6. Muscular Dystrophy6. Muscular Dystrophy

• An inherited muscular disorder in An inherited muscular disorder in which the muscles slowly become which the muscles slowly become weak.weak.

Muscular dystrophies are Muscular dystrophies are characterized by progressive characterized by progressive skeletal muscleskeletal muscle weakness, defects in weakness, defects in muscle muscle proteinsproteins, and the death of , and the death of muscle muscle cellscells and and tissuetissue

Treatment for Muscular Treatment for Muscular DystrophyDystrophy

There is no known cure for muscular There is no known cure for muscular dystrophy. However, they should not dystrophy. However, they should not be allowed to get overweight be allowed to get overweight because this will make their condition because this will make their condition worse. They should be active. worse. They should be active.

• Write the correct answer on your answer sheet.

• 1. The prolonged contraction of muscle.• 2. How are you going to treat gangrene?• 3. The swelling of the tendon.• 4. Tearing or stretching of the muscle.• 5. The inherited muscular disorder in

which the muscles become weak.• 6. It affects mostly women. • 7. The treatment for this disease is

corticosteroid injection.

Assignment: ScienceAssignment: Science

Study for a quiz tom. about the Study for a quiz tom. about the kinds of muscle and how kinds of muscle and how muscles move.muscles move.