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Anatomy > Back Muscles > Flashcards

Back Muscles Flashcards

1
Q

What primary tissue type makes up the bulk of a skeletal muscle?

A

Skeletal muscle

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2
Q

What is another term for skeletal muscle cell?

A

Muscle fibers

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3
Q

What tissue is composed of areolar connective tissue and adipose that separates muscle from skin?

A

Superficial fascia

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4
Q

What are cordlike structures that attach muscle to bone, skin, or other structures?

A

Tendons

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5
Q

What are sheets of tissue that connect muscle to bone,skin or other structures?

A

Aponeuroses

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6
Q

What are bands of connective tissue that hold tendons in place?

A

Retinacula

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7
Q

Which attach of a muscle usually remains stationary when a muscle contracts?

A

Origin

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8
Q

Which attach of a muscle usually moves when a muscle contracts?

A

Insertion

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9
Q

What is the enlarged fleshy belly of a muscle?

A

Belly

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10
Q

What is a muscle producing a particular movement called?

A

Agonist (prime mover)

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11
Q

What is a muscle whose actions oppose those of the prime mover?

A

Antagonist

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12
Q

What is a muscle that assists the prime mover in its action?

A

Synergist

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13
Q

What is axial muscles?

A

Muscles that have both their origins and insertions on parts of the axial skeleton

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14
Q

What is the trapezius origin?

A

Spinous processes of C1-T12

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15
Q

What is the trapezius insertion?

A

Spine of the scapula

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16
Q

What is the action of the trapezius?

A

•Depress scapula
•Adduct scapula
•Elevate scapula

17
Q

What is latissimus Dorsi origin?

A

Thoracolumbar fascia

18
Q

What is latissimus dorsi insertion?

A

Intertubercular groove of the humerus

19
Q

What is the action of latissimus dorsi?

A

Extends, adducts, and rotates humerus medially retracts shoulder

20
Q

What is levator scapulae origin?

A

Posterior tubercles of transverse process of C1 C4

21
Q

What is the insertion of levator scapulae?

A

Superior part of vertebral border of scapula

22
Q

What is the action of levator scapulae?

A

Elevate scapula

23
Q

What is rhomboid minor origin?

A

Inferior portion of nuchal ligament and spinous processes of C7-T1

24
Q

What is the insertion of rhomboid minor?

A

Vertebral border of the scapula

25
Q

What is the action of rhomboid minor?

A

Adducts scapula

26
Q

What is the origin of rhomboid major?

A

Spinous process of T2-T5

27
Q

What is the insertion of rhomboid major?

A

Inferior vertebral border of scapula

28
Q

What is the action of rhomboid major?

A

Adducts scapula

29
Q

What does the I stand for in I Love Spines?

A

Iliocistalis

30
Q

What does the L stand for in I Love Spines?

A

Longissimus

31
Q

What does the S stand for in I Love Spines?

32
Q

What is the origin of quadratus lumborum?

A

Iliac crest

33
Q

What is the insertion of quadratus lumborum?

A

Lumbar vertebrae and twelfth rib

34
Q

What is the action of quadratus lumborum?

A

Lateral flexion

Anatomy (26 decks)

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