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31 Cards in this Set
- Front
- Back
How many muscles are in the human body?
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Over 600
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What are muscles?
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Bundles of muscle fibers held together by connective tissue, that are also connected to nerves
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What are the functions of muscles?
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Movement, produce heat, produce energy, posture, & protection
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What are the 3 types of muscle?
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Viseral (Smooth), Cardiac, and Skeletal
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What is the purpose of Cardiac muscle?
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Form the walls of the heart, contraction to circulate blood. It's an involuntary muscle.
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What's the purpose of Viseral (Smooth) Muscle?
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Organs, movement of Digistive, Respiratory, & Blood vessels
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What is the purpose of Skeletal muscle?
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Attached to bone for movement. Voluntary. Contraction causes movement.
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What are tendons?
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Strong connective tissue that attaches muscle to bone
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What do ligaments do?
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Attach Bone to Bone
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What are the two types of muscle attachment and how,do they differ?
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Origin- End that doesn't move
Insertion- End that moves |
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What is Fascia?
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The sheet-like membrane that covers and protects muscle
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What is excitability?
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Muscle response to nerve stimulus
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What is contractibility?
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Muscle fibers shorten when stimulated
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What is extensibility?
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Muscle can be stretched
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What is elasticity?
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Muscle can return to original shape
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What is abduction?
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Moving a limb away from the midline
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What is addiction?
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Moving a limb closer to the midline
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What is Flexion?
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Bending of a limb
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What is extension?
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Extension of a limb
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What is muscle tone?
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When muscles are slightly contracted at all times
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What is atrophy?
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Loss of muscle
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What is hypertrophy?
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Excessive muscle. Or too much muscle
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What is contracture?
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When flexor muscles aren't used and the muscle fibers shorten. Happens in hands, wrists, knees, elbows, feet
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What does Range of Motion do? What are the different types?
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Range of motion Prevents: Bone loss, Muscle loss, Stiffness or Contractures, Improves circulation and Maintains independence.
Types: -Active: patient does -Active-Assisted: Patient needs assistance -Passive: Health-care worker does movement for patient |
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What is Myalgia?
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Muscle pain
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What do Sprains effect?
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Tendons and Ligaments
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What is Muscular Dystrophy?
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A hereditary disorder, progressive wasting away of muscle tissue
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What is a Strain?
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Over-stretch/use of a muscle
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What is Bursitis?
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Inflammation of a Bursa (fluid-filled sac covering muscle near joints)
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