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Anatomy > Big Picture - Exam 1 > Flashcards

Big Picture - Exam 1 Flashcards

1
Q

What muscles insert into Intertubular groove of humerus

A

1) lat dorsi
2) pec major / teres major

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2
Q

What muscles insert into greater tubercle of humerus?
(Hint: SITS)

A

1) Suprspinatus
2) Infraspinatus
3) Teres Minor

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3
Q

What is the only muscle that inserts in the lesser tubercle of the humerus?

A

Subscapularis

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4
Q

Only muscle to insert into medial humerus?

A

Coracobrachialis

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5
Q

True or False: Triceps Brachii is a flexor and innervated by musculocutaneous n

A

False - extends forearm and innervated by radial n

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6
Q

Subclavian becomes ____ and ___ a

A

Subclavian -> Axillary -> Brachial a

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7
Q

What two muscles insert as medial scapula border?

A

1) rhomboid major
2) rhomboid minor

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8
Q

What is the only muscle to be inserted into superior scapula?

A

Levarator scapulae

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9
Q

Which muscles insert on ribs?

A
  • serratous posterior inf (9-12)
  • serratous posterior sup (2-5)
  • levatores costarum
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10
Q

What muscles ORIGINATE in ribs?

A

1) pec minor (3-5)
2) serratous anterior

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11
Q

What two muscles are innervated by axillary n?

A

Deltoid
Teres minor

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12
Q

What two muscles are innervated by subscapular n?

A

Sub-scapularis
Teres major

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13
Q

What nerve innervates serratous anterior?

A

Long thoracic

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14
Q

Which muscles laterally rotate arm?

A

Infraspinous
Teres minor

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15
Q

What muscles allow for medial arm rotation?

A

1) sub-scapularis
2) teres major
3) pec major

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16
Q

Which two muscles originate in posterior iliac crest and sacrum?

A

Erector Spine and Transversospinalis (deep back)

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17
Q

What nerve innervated rhomboids and lev scapula?

A

Dorsal scapular n

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18
Q

Only muscle that inserts into deltoid tuberosity of humerus?

A

Deltoid

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19
Q

Only muscle that inserts in radial tuberosity? ulnar tuberosity?

A

Radial Tuberosity: Biceps brachii
Ulnar Tuberosity: Brachialis

20
Q

What two muscles insert into base of distal phalynx I?

A

Flexor Policis Longus (deep forearm flexor)

Extensor Policis Longus (deep forearm extensor)

21
Q

What class of muscles originate into the medial epicondyle?

A. Superficial back muscles
B. Deep back muscles
C. Arm muscles (tricep/biceps)
D. Superficial Forearm Flexors
E. Deep Forearm Extensors

A

D. Superficial Forearm Flexors

22
Q

What two muscles insert into base of MC V?

A

Extensor carpi ulnaris/ flexor carpi ulnaris

23
Q

What two muscles insert into base of MC II?

A

Flexor carpi radialis; extensor carpi radialis Longus

24
Q

What muscles inserts into base of MC I?

A

Abductor policus longus

25
Q

Only muscle to insert into base of proximal phalynx?

A

Extensor policis brevis

26
Q

What muscles insert at radius?

A

Brachioradialis
Supinator
Pronator Quadrus
Pronator Teres

27
Q

What type of joints are united by fibrocartilage or hyaline?

What type of joints are united by fibrous tissue?

A

Cartilagenous joints (IV discs)

Fibrous joints (Cranial sutures, gomphosis, syndesmosis)

28
Q

Ball socket, condyloid, hinge, plane, etc. are examples of a ___ joint

A

synovial

29
Q

Dens is a feature of __
Mammillary processes are features of ___
Costal facets on body for articulating with ribs is a feature of ___

A

C2
Lumbar vertebrate
Thoracic verebrate

30
Q

The Lateral contains sympathetic neuron cell bodies only in ___ and ___ spinal cord

A

thoracic and upper lumbar

31
Q

Motor neurons are found in ___ horn while sensory/interneurons are found in the ___

A

Ventral; dorsal horn

32
Q

Extension is greatest in what part of the spine? Flexion is greatest in what part of the spine?

A

Lumbar spine
Cervical spine

33
Q

T/F: Spinal nerves exit via the IV foramina

A

True

34
Q

Femur is an example of a _____ bone while the patella is an example of ____ bone

A

long; seasmoid

35
Q

Short bones are ___ while flat bones are ___

A

carpals; parietal bone of cranium

36
Q

Limb bones and girdles make up ___ skeleton

A

Appendicular skeleton

37
Q

Both the lat dorsi and the lev scapulae inferiorly rotate the scapula. However, which one depresses/rotates pec girdle and which elevates pec girdle?

A

Lat dorsi - depress/retracts Pgirdle
Lev scapulae - elevates Pgirdle

38
Q

Which deep muscle allows for unilateral, contralateral rotation of the trunk?

A

Transversospinalis

39
Q

Iliocostalis, Spinalis and Longissimus is associated with which deep back muscle?

Semi-spinalis, multifidus, and rotatores is associated with which deep back muscle?

A

Erector Spinae
Transverso Spinalis

40
Q

Semi-spinalis is located in ___ region and has ___ vertebrate while multifidus is located in the ____ region and has ____ vertebrates

A

cervical ; 4-6
lumbar; 2-4

41
Q

All sub-occipital muscles are innervated by what nerve?

A

Dorsal ramus of C1

42
Q

Rectus capitis posterior major and Obliqus capitis inferior are innervated by __

A

C2

43
Q

Which muscle group originates from the lateral epicondyle?
A. Deep back muscles
B. Superficial back muscles
C. Superficial extensors of the forearm
D. Deep extensors of the forearm

A

C. Superficial extensors of the forearm

44
Q

Origin of almost all deep forearm extensors?

A

Posterior ulnar/radius/int membrane

45
Q

Where do both the brachi (tricep/biceps) originate?

A

Glenoid process of scapular

Tricep = inferior
Biceps = superior

Anatomy (28 decks)

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