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38 Cards in this Set

  • Front
  • Back

What is a muscle strain?




What's it commonly known as?

Over-stretching or tearing of the muscle fibrils or tendon




(PULLED MUSCLE)

What causes a muscle strain?

Joint forced past its normal range.



Difference between STRAIN and Tear?

Muscle is still whole.

Most common muscle strains?

Hamstring and back

How does a muscle strain repair itself? (2)

Blood supply to muscle still sufficient to provide good healing.




Activated satellite cells divide slowly and fuse with fibres to assist repair.

What a risk in a muscle tear?

Local separation of tissue meaning a defective blood supply.

Whats a complication of a MUSCLE TEAR?

Muscular Fibrosis - damaged tissue is replaced by fibrous connective scar tissue

What is FIBROMYALGIA? (3)

Chronic, widespread muscle and connective tissue pain, joint stiffness and fatigue.

What other symptoms may someone with FIBROMYALGIA have?

Unexplained anxiety or depression.

Whats the criteria for diagnosing FIBROMYALGIA and why?

- Pain on palpitation must be present in at least 11 of the 18 points.




-Medically unexplained and lacks scientific consensus so controversial to diagnose.

Causes of fibromylagia? (4)





Stress, trauma, damp, poor sleep.

Symptoms of FIBROMYALGIA (6)

Pain at specific tender spots.




Stiffness of muscles, tendons and ligaments.




Debilitating fatigue & sleep disturbance.




Difficulty swallowing




Numbness




Cognitive disfunction

Most likely to suffer from FIBROMYALGIA

Men:women 1:15




Aged 25-50 years

How might FIBROMYALGIA be linked to the nervous system

Caused by abnormalities in pain processing by the Central Nervous System

What is MUSCULAR DYSTROPHY?

Group of inherited muscular diseases that weaken and degenerate the muscles.

How is MUSCULAR DYSTROPHY generally characterised?

- Defects in muscle protein.




-Progressive skeletal muscle atrophy




-Death of muscle cells

Cause of DUCHENNE MD?

Inherited X recessive

Sex most effected with DUCHENNE MD? Age?

<10 years




Males (women carries)

4 key symproms of DUCHENNE MD?

1. Delayed walking


2. Waddling gait


3. Clumsiness


4. Proximal limb weakness

What is the DISEASE process of DUCHENNE MD?




Caused by absence of what?

Gradual atrophy of skeletal, heart and respiratory muscles.




Dystrophin (a protein that helps keep muscles intact)

Which muscles are most affected by DUCHENNE MD?

External mobiliser muscles.

Prognosis for DUCHENNE MD?

No cure most die under <20 due to respiratory weakness.

Cause of MYOTONIC CONGENITAL MD?

Inherited dominant gene




(just one gene to get it)

Disease process for MYOTONIC CONGENITAL MD?

Prolonged contraction of muscles leading to atrophy.

Muscles most affected by MYOTONIC CONGENITAL MD?

Lower legs, hands, neck and face

Age of onset for MYOTONIC CONGENITAL MD?

Young adulthood




But may occur at any age

Most effected by MYOTONIC CONGENITAL MD?

Males and females.




Symptoms more severe with successive generations.

5 symptoms of MYOTONIC CONGENITAL MD

1. Wasting in lower legs, hands, neck and face




2. Mask like expressionless face




3. Premature balding




4. Cataracts




5. Heart arrhythmias

Cause of FACIOSCAPULOHUMERAL MD?

Inherited - dominant gene

Disease process for FACIOSCAPULOHUMERAL MD

Progressive weakening and loss of skeletal muscles

Muscles most affected by FACIOSCAPULOHUMERAL MD

Face, shoulder, girdle and upper arms




Abdominal and foot extensor muscles

Age of onset for FACIOSCAPULOHUMERAL MD and gender

Male and female




Aged 20

Symptoms of FACIOSCAPULOHUMERAL MD (5)

1. Difficulty reaching above shoulder level




2. Foot dropping




3. Scapular winging




4. Facial weakness




5. Lumbar lordosis

Symptoms of MYASTHENIA GRAVIS? (4)

Difficulty swallowing




Weakness of eye muscles




Difficulty chewing or talking




Death from respiratory muscle failure

Who is most commonly affected by MYASTHENIA GRAVIS what age?

Women


20-50

Muscles most commonly affected by MYASTHENIA GRAVIS

Face and neck

Cause of MYASTHENIA GRAVIS

AUTOIMMUNE


Antibodies directed at acetylcholine receptors on the motor end plate preventing impulse being sent to fibres.

Sign of MYASTHENIA GRAVIS

Fluctuating muscle fatigue and weakness