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Human Anatomy & Physiology > Muscle Tissue & Skeletal Muscle > Flashcards

Muscle Tissue & Skeletal Muscle Flashcards

1
Q

What are the functions of muscle?

A

The function of muscle is movement.

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2
Q

What are the functional characterisitics of muscle?

A

The function characteristics are…

  • posture
  • joint stability
  • heat production
  • excitability
  • contractility
  • extensibility
  • elasticity
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3
Q

Define:

Fascia

A

Fascia is CT; surrounds and protects the muscle

  • Epimysium
  • Perimysium
  • Endomysium
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4
Q

Define:

Tendons

A

Tendons are CT connecting muscle to bone

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5
Q

Define:

Aponeurosis

A

Aponeurosis is broad, sheetlike tendon connecting muscle to muscle

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6
Q

What is the microscopic anatomy of a muscle?

A

The microscopic anatomy of a muscle is…

  • Muscle
  • Fascicles
  • Muscle Fibers (cells)
  • Myofibrils
  • Myofilaments
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7
Q

What is the microscopic anatomy of muscle fiber?

A

Microscopic anatomy of muscle fiber is…

  • Individual cell
  • Multinucleated
  • Sarcolemma (T-tubule)
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8
Q

What is the microscopic anatomy of myofibrils?

A

Microscopic anatomy of myfibrils are…

  • Sarcomere
  • A band
  • I band
  • Z disc
  • H zone
  • M line
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9
Q

What is the microscopic anatomy of myofilaments?

A

Microscopic anatomy of the myofilaments is…

  • Actin
  • Myosin
  • Elastic fibers
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10
Q

What two places are muscles at least attached to?

A

Muscles’ two attachments are the origin and the insertion

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11
Q

Where does the origin lie compared to the insertion?

A

The origin is proximal to the insertion

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12
Q

Define:

Agonist

A

Agonist defines as prime mover

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13
Q

Define:

Synergist

A

Synergist is defined as same movement

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14
Q

Define:

Antagonist

A

Antagonist is defined as opposite

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15
Q

Define:

Fixators

A

Fixators is defined as immobilize a bone

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16
Q

What are the two types of location?

A

The two types of location are…

  • Supraspinatus
  • Pterygoids
17
Q

What are the two types of shape?

A

The two types of shape are…

  • Deltoid
  • Trapezius
18
Q

What are the two types of direction of fibers?

A

The types of direction of fibers are…

  • Oblique
  • Rectus
19
Q

What are the relative sizes of muscle?

A

The relative sizes of muscle are…

  • Maximus
  • Medius
  • Minimus
  • Longus
  • Brevis
20
Q

What are the two types of origin?

A

The two types of origin are…

  • Biceps
  • Triceps
21
Q

What are the two types or location (origin & insertion)?

A

The two types of location are…

  • Coracobrachialis
  • Brachioradialis
22
Q

What are the two types of action?

A

The two types of action are…

  • Adductors
  • Extensors
23
Q

What are the facial muscles?

A

The facial muscles are…

  • Occiptofrontalis
  • Orbicularis oculi
  • Orbicularis oris
  • Buccinator
  • Zygomaticus
24
Q

What are the muscles that move the jaw?

A

The muscles that move the jaw are…

  • Temporalis
  • Masseter
  • Lateral pterygoid
  • Medial pterygoid
25
Q

What is the origin of the Temporalis?

A

The origin of the temporalis is the parietal bone.

26
Q

What is the insertion of the temporalis?

A

The insertion of the temporalis is the coronoid process of mandible.

27
Q

What is the action of the temporalis?

A

The temporalis elevates, retracts, assists in side to side of mandible

Human Anatomy & Physiology (11 decks)

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