Gen Bio (Diseases And Disorders In The Muscular System)

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caused by biomechanical stresses

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musculoskeletal disorders

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they are often work and sports related

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musculoskeletal disorders

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examples of musculoskeletal disorders

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1. carpal tunnel syndrome

2. muscle strains

3. tendinitis

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root word meaning that the disorder is muscle related

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myo- or mya-

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muscle pain

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myalgia

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usually just one or a few muscles are affected when this disorder occurs

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musculoskeletal disorders

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injury caused by a tear due to overstretching of the muscle fibers.

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muscle strain

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other common names for muscle strain

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1. pulled muscle

2. torn muscle

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often confused with muscle strains due to it's very similar injuries but affecting a different area of muscles — the ligaments

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sprains

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root word meaning inflammation

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-itis

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scientific name of rayuma

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fibromyositis

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myositis is...?

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the inflammation of muscles

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fibrositis

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inflammation of fibers (ig yung muscle fibers pero don't quote me on that haha)

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inflammation of the tendon

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tendinitis

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commonly affected areas of tendinitis

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ankle, knees, shoulders, and elbows

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tear in the ligaments

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sprains

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tear in muscle or tendons

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strains

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the involuntary contraction of one or more of your muscles

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muscle cramps

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also referred to as charley horse

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muscle cramps

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weather in which cramps usually occurs in

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warm or hot weather

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myotonia is...?

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characterized as muscles relaxing slowly after contraction or simulation

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disorder causing the patient to have trouble holding grip onto objects or even trouble walking

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myotonia

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systemic disorders that occur because of the nervous control of contractions or the muscle cells themselves

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neuromuscular discorders

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often due to faulty genes and NOT biomechanical stressors

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neuromuscular disorders

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collective disorder that tends to be very progressive and incurable.

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neuromuscular disorders

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muscular dystrophy, myasthenia gravis, and parkinson's disease are all considered to be what type of disorders?

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neuromuscular

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disease characterized by muscles weakening and a distinctive rash

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dermatomyositis

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colors description of the rash for dermatomyositis

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violet and dusk red

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the first sign of dermatomyositis is...?

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rashes

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caused by defective proteins and faulty genes

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muscular dystrophy

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disorder characterized by an increase in weakening of muscle contractions in response to nervous stimulation

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muscular dystrophy

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a genetic neuromuscular disorder characterized by fluctuating muscle strength and fatigue

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myasthenia gravis

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age range where myasthenia gravis usually occurs in

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ages 20 to 40

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it is a broad term for impairment or loss of motor control because of brain damage.

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cerebral palsy

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true or false: cerebral palsy happens during birth or in the mother's womb

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true! that's why most cases of cerebral palsy are from birth.

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motor functions affected by cerebral palsy

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1. balance

2. muscle control, tone, and coordination

3. reflexes

4. body movement

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parkinson's disease is a _______ disorder of the _________ that mainly affects body movement and the _______ system.

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1. degenerative

2. central nervous system

3. muscular system

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4 signs and symptoms of parkinson's disease

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1. muscle tremors (shaking)

2. muscle rigidity

3. slowness of movement

4. posture instability

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the most obvious symptom of parkinson's disease is...?

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muscle tremors

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true or false: dementia is NOT common in people with parkinson's disease.

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false! it is common especially in the advanced stages on the disease.

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the full name of ALS

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amyotrophic lateral sclerosis

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characterized by muscle wasting and weakness

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ALS

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individuals affected with ALS lose what...?

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their ability to voluntarily or control body movements

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age range where ALS usually develops

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55 to 75

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ALS: thought bowel and bladder movements remain ______, eye movements are _____.

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1. in tact

2. spared

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for people with ALS, cognitive and behavioral functions may remain _____, there is a small percentage of people and chance to develop _________.

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1. in tact

2. frontotemporal dementia

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true or false: myasthenia gravis is very common.

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false.