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Anatomy & Physiology 2 > Lab Practical 1 > Flashcards

Lab Practical 1 Flashcards

1
Q

What does the term insertion mean when applied to muscles?

A

Portion of the muscle that is mobile, moving portion.

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2
Q

What is flexion?

A

Reduce angle between bones.

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3
Q

What is extension?

A

Increase angle between bones.

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4
Q

What is hyperextension?

A

Taking a body part out of anatomical position.

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5
Q

What is abduction?

A

Taking away from midline.

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6
Q

What is addictions?

A

Bringing back to midline.

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7
Q

What is rotation?

A

Rotating limb on longitudinal axis.

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8
Q

What is circumduction?

A

Flexion, extension, abduction, adduction; mixture of these four movements.

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9
Q

What is pronation?

A

Palm down (proposal position)

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10
Q

What is supination?

A

Palm facing up (holding a bowl of soup)

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11
Q

What is inversion?

A

Soul of foot toward inside.

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12
Q

What is eversion?

A

Soul of foot toward outside.

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13
Q

What is dorsiflexion?

A

Raise toes up toward shin.

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14
Q

What is plantar flexion?

A

Point toes down (on your toes)

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15
Q

What does the term origin mean when applied to muscles?

A

Part of the muscle that doesn’t move.

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16
Q

What is a prime mover/agonist?

A

muscle that is responsible for the movement

17
Q

What is an antagonist?

A

Opposing the prime mover; returning the body part

18
Q

What is a synergist?

A

muscle that assists in the movement

19
Q

What is a fixator?

A

A special type of synergist that fixes the origin and keeps it in place.

20
Q

Zygomaticus

A

origin: zygomatic
insertion: skin/muscle at corner of mouth
action: raise lateral corners of mouth

21
Q

Levator labii superioris

A

origin: zygomatic/maxilla
insertion: skin/muscle of upper lip
action: moves upper lip superiorly/opens lips

22
Q

Depressor labii inferioris

A

origin: mandible
insertion: skin/muscle of lower lip
action: move lower lip inferiorly

23
Q

masseter

A

origin: maxilla/zygomatic
insertion: mandible
action: close jaw, elevate mandible

Anatomy & Physiology 2 (2 decks)

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