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Physiology-organization Of The Human Body > Chapter 8 Part 2 > Flashcards

Chapter 8 Part 2 Flashcards

0
Q

The fleshy portion of a muscle

A

Belly

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1
Q

Part of a muscle name referring to fibers parallel to midline

A

Rectus

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2
Q

The end of a muscle attached to the stationary bone

A

Orgin

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3
Q

Part of a muscle name referring to the smallest set of muscles

A

Minimus

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4
Q

A muscle that stabilizes the origin of a prime mover

A

Fixators

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5
Q

The biceps brachii and triceps brachii muscles function as

A

Antagonists

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6
Q

Muscle that helps the prime mover function more efficiently

A

Synergists

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7
Q

Part of a muscle name referring to a two-headed origin

A

Biceps

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8
Q

Part of a muscle name referring to a muscle with a circular shape

A

Obicularis

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9
Q

Muscles generally move the bone they lie ______ to

A

Closest

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10
Q

In order to move a bone, a muscle must have its____ on that bone

A

Insertion

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11
Q

Part of a muscle name referring to fibers perpendicular to midline

A

Transverse

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12
Q

Muscles of the back (posterior trunk) function to do what action to the head, trunk, and upper arm

A

Extend

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13
Q

A muscle that produces an effect opposite of the prime mover

A

Antagonist

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14
Q

Part of a muscle name referring to the largest of a set of muscles

A

Maximus

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15
Q

The end of a muscle attached to the movable bone

A

Insertion

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16
Q

Part of a muscle name referring to a muscle with a triangular shape

A

Deltoid

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17
Q

Part of a muscle name referring to a three-headed origin

A

Triceps

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18
Q

Most movements occur due to the contraction of a _____ of muscles

A

Groups

19
Q

The hamstring muscles function to do what action to the lower leg

A

Flexes leg at the knee joint

20
Q

Fixators ___ the origin of the prime mover so that the prime mover can act more efficiently

A

Stabilizes

21
Q

Smiling

A

Zygomaticus major

22
Q

Rotates the vertebral column to twist us sideways

A

External oblique

23
Q

Flexes and rotates the head

A

Sterncleclomastroide

24
Q

Used in crossing our legs

Flexes the leg at the knee joint and abducts and laterally rotates the thigh at the hip joint

A

Sartorius

25
Q

Together with the adductor group, adducts the thigh at the hip joint

A

Gracilis

26
Q

Closes the eyelids

A

Orbicularis oculi

27
Q

Extends the arm when posterior portion contracts
Abducts the arm when the lateral portion contracts
Flexes the arm when the anterior portion contracts

A

Deltoid

28
Q

Abducts, flexes and extends the arm at the shoulder joint

A

Deltoid

29
Q

Muscle on the thumb side that flexes the hand

A

Flexor carpi radials

30
Q

Group that flexes the lower leg and extends the thigh

A

Hamstrings

31
Q

Arm muscle that flexes arm and forearm

A

Biceps brachii

32
Q

Works with the soleus to plantarflex the foot

A

Gastrocernius

33
Q

Group that extends the leg at the knee joint

A

Quadriceps

34
Q

Well-developed swimming muscle used to extend, adduct, or rotate the arm

A

Latissimus Dorsi

35
Q

Extends the phalanges

A

Extensor dicjitorium

36
Q

Boxers use this muscle to move the scapula laterally and forward

A

Serratus anterior

37
Q

Main muscle that closes the jaw

A

Masseter

38
Q

The only quadriceps muscle that flexes the thigh and extends the leg

A

Rectus femoris

39
Q

Puckers the lips

A

Orbicularis oris

40
Q

Posterior arm muscle that extends the arm at the shoulder

A

Triceps brachii

41
Q

Wrinkles the skin of the forehead

A

Frontalis

42
Q

Elevates the clavicle
Depresses or elevates the scapula
Extends the head

A

Trapezius

43
Q

Flexes and abducts the thigh at the hip joint

A

Tensor fasciae latae

44
Q

Elevates and retracts the mandible

A

Temporalis

Physiology-organization Of The Human Body (9 decks)

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