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Apps funct anatomy > Week 3 > Flashcards

Week 3 Flashcards

1
Q

Muscle types?

A

Smooth- hallow organs/vessels
Skeletal
Cardiac

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2
Q

All the different muscle skeletal properties?

A 
Extensibility 
Elasticity 
Excitability 
Conductivity
Contractility
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3
Q

Macroscopic Anatomy?

A

Connective tissue wrappings support, protect, & separate portions of muscle & whole muscles

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4
Q

Fibres?

A

individual muscle cells

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5
Q

Endomysium?

A

sheath of connective tissue enveloping fibers

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6
Q

Fascicles?

A

bundles of grouped muscle fibers

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7
Q

Perimysium?

A

layer of connective tissue enveloping fascicles

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8
Q

Epimysium?

A

layer of deep fascia enveloping bundle of fascicles

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9
Q

Musculotendinous junction?

A

point where epimysium converges to form a tendon

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10
Q

Muscle belly?

A

portion of muscle between tendons

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11
Q

Sarcolemma?

A

cell membrane; regulates chemical transport into & out of fiber

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12
Q

Sarcoplasm?

A

a gelatinous substance surrounding structures within fiber; cytoplasm of muscle cells

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13
Q

Nuclei?

A

structures within a fiber that contain functional information for cell & control its operations

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14
Q

Sarcomere?

A

functional unit of muscle fiber; their shortening causes contraction?

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15
Q

Factors Affecting Contraction Activation?

A

Muscle force is produce in two ways

  • # of motor units that are activated
  • Frequency of stimulation
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16
Q

Skeletal Muscle Fiber Types?

A

Slow Twitch Fibers

Fast Twitch Fibers

17
Q

Neural Changes to Training?

A

It is possible to change strength without altering the muscle, but not without altering the nervous system…

18
Q

Muscle Spindles?

A

detect change within muscle

19
Q

Signal Transmission?

A

Afferent signals respond to; heat, pain, etc.

Efferent (effector) signals sent in response to these

20
Q

Muscle Spindle Types - Type 1a Afferent

A

Attaches to central area of nuclear bag/chain

21
Q

Type ll Afferent?

A

Attaches to end of Nuclear bag/chain

22
Q

Joint and Skin Proprioceptors?

A

Pacinian corpuscles

Ruffini endings

Apps funct anatomy (25 decks)

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