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ANAT 23F > Midterm Study > Flashcards

Midterm Study Flashcards

1
Q

what makes up the pectoral girdle?

A

the scapula (post) and the clavicle (ant)

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2
Q

lateral end of the clavicle is also known as the ___ end

A

acromial

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3
Q

AC joint is located where

A

lateral end of the clavicle

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4
Q

at the acromial end of the clavicle is what joint

A

acromioclavicle

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5
Q

medial end of the clavicle, also known as the ___ end

A

sternal

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6
Q

where is the SC joint located?

A

the sternal end of the clavicle

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7
Q

at the medial end of the clavicle is what joint

A

sternoclavicular

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8
Q

between the medial/lateral curves of the clavicle, which is concave and which is convex?

A

medial is convex, lateral is concave

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9
Q

what are the two main articulations of the scapula

A

at the glenohumeral joint, and at the acromioclavicular joint

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10
Q

where is the scapula? (common name)

A

shoulder blade

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11
Q

where is the glenohumeral joint

A

between the glenoid fossa of the scapula and the head of the humerus

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12
Q

where is the acromioclavicular joint

A

between the acromion of the scapula and the clavicle

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13
Q

the ridge of the posterior scapula is called what

A

the spine

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14
Q

where is the coracoid process

A

a protrusion on the anterior side of the scapula

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15
Q

what is the proper name for the socket of the shoulder joint?

A

the glenoid cavity

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16
Q

what bone sits in the glenoid cavity?

A

the humerus

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17
Q

what two bones make up the glenoid cavity?

A

the acromion and the coracoid process

18
Q

what are the 3 borders of the scapula?

A

superior, ;ateral/axillary, medial/vertebral

19
Q

what are the 3 angles of the scapula?

A

superior, lateral (glenoid fossa), inferior

20
Q

definition of a glenoid

A

a relatively shallow dish shape in a bone, especially in the scapula

21
Q

where is the subscapular fossa?

A

a landmark on the deep side of the scapula

22
Q

where is the supraspinous fossa

A

a amooth concavity above the spine on the dorsal surface of the scapula

23
Q

the supraspinous fossa is relevant because

A

it is the origin of the supraspinatus muscle

24
Q

the subscapular fossa is significant because

A

it is the origin of the subscapularis muscle

25
Q

where is the infraspinous fossa

A

on the posterior scapula\

26
Q

the spine of the scapula separates:

A

the suoraspinous and infraspinous fossae

27
Q

Does the pectoral girdle articulate with the vertebral column?

A

NO!

28
Q

what is the function of the pectoral girdle

A

to transmit mechanical force from upper limb to trunk

29
Q

how many bones are in the upper limb? include breakdown

A

30 bones: humerus, ulna, radius, 8 carpals, 5 metacarpals, and 14 phalanges

29
Q

where is the head of the humerus

A

it is attached o the body at the promixal end

29
Q

what is the difference between the anatomical neck and the surgical neck?

A

the anatomical neck is the portion just below the head, the surgical neck is the neck as it continues along the humerous body

30
Q

where are the greater and lesser tubercles

A

the greater tubercle is lateral to the head at the proximal end. the lesser tubercle is inferior to the head, on the anterior part of the humerus

30
Q

the deltoid tuberosity is where

A

it is a rough triangular area on the aterolateral surface of the middle of the humerus

31
Q

what groove separates the greater and lesser tubercles of the humerus

A

the intertubercular groove (bicipital groove)

32
Q

what are the two indentations in the humerus

A

the radial fossa and the coronoid fossa

33
Q

where is the radius and the ulna

A

in anatomical position, the ulna is located medially and the radius is located laterally

34
Q

what articulated with the proximal radius

A

the capitulum

35
Q

what articulates with the proximal ulna

A

the trochea

36
Q

where is the olecranon fossa

A

a large indentation on the poterior, distal region of the humerus

37
Q

what is the function of the olecranon fossa

A

to allow room for the olecranon (elbow) of the ulna when the arm is straight, but prevents hyperextension

38
Q

the processes that are felt at the elbow (distal humerus) are called

A

the medial and lateral epicondyles

39
Q
A

ANAT 23F (6 decks)

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