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Functional Anatomy > Muscular > Flashcards

Muscular Flashcards

1
Q

What is key difference between insertion and origin

A

More movable bone is insertion, more stable bone is origin

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2
Q

What is an example of a strap muscle

A

Sternocleidomastoid

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3
Q

What is an example of a fusiform muscle

A

Biceps

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4
Q

What is an example of a rhomboidal muscle

A

Rhomboids

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5
Q

What is an example of a triangular muscle

A

Pectoralis major

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6
Q

What is an example of a unipennate muscle

A

Tibialis posterior muscle of the ankle

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7
Q

Example of bipennate muscle

A

Rectus femoris muscle of the hip

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8
Q

Example of multipennate muscles

A

Deltoid

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9
Q

What is the word for the ability to respond to stimulus

A

Irritability

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10
Q

What is the term for the muscles ability to shorten for contract

A

Contractility

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11
Q

What is the term for the muscles ability to stretch or Lengthen

A

Extensibility

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12
Q

What is the term for the muscles ability to recoil or return to normal resting length

A

Elasticity

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13
Q

What is tension

A

The force built up within a muscle

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14
Q

What is tone

A

Slight tension that is presently in muscle at all times

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15
Q

What is excursion

A

The distance from maximum elongation to maximum shortening

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16
Q

What is passive insufficiency

A

Occurs when a muscle cannot be elongated any farther without damage to its fibers

17
Q

What is difference between agonist and antagonist

A

Agonist is the muscle or muscle group that causes the motion, the antagonist is a muscle that performs the opposite motion of the agonist

18
Q

When does cocontraction occur

A

When there is a need for accuracy. It is when the antagonist contracts at the same time as the agonist

19
Q

What is closed kinetic chain

A

When the distal segment is fixed and the proximal segment moves
Push-up

20
Q

What is open kinetic chain

A

When the distal segment is free to move while the proximal segment remains stationary

21
Q

What are the three types of muscle tissue

A

Smooth, cardiac, and skeletal

22
Q

What are smooth muscles

A

Nonstriated muscle that is involuntary. Moves substances throughout the organs

23
Q

What to skeletal muscle

A

Voluntary muscles, that allow the extremities to move through a full range of motion

Functional Anatomy (6 decks)

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