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OLD > appendicular skeleton part 1 > Flashcards

appendicular skeleton part 1 Flashcards

1
Q

How many bones are in the appendicular skeleton?

A

126 bones

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2
Q

What is included in the appendicular skeleton?

A

limbs, pectoral girdle, & pelvic girdle

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3
Q

What is the pectoral girdle?

A

shoulder

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4
Q

What are characteristics of the pectoral girdle?

A

includes clavicle & scapula, anchors upper limbs to axial skeleton, provides attachment for trunk & neck muscles

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5
Q

What is the clavicle?

A

collarbone

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6
Q

What are characteristics of the clavicle?

A

medial attachment at manubrium of sternum (sternoclavicular joint) & lateral attachment at scapula (acromioclavicular joint)

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7
Q

What is the scapula?

A

shoulder blade

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8
Q

What are the characteristics of the scapula?

A

has no direct attachment to the axial skeleton; it is held in place by trunk muscles & it articulates with the humerus at the glenohumeral joint

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9
Q

What are the 3 angles of the scapula?

A

superior, inferior, & lateral

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10
Q

What are the 3 borders of the scapula?

A

superior, medial (vertebral), & lateral (axillary)

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11
Q

What is the acromion process?

A

on the scapula; connects with the clavicle

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12
Q

What is the coracoid process?

A

on the scapula; anchor for some upper limb muscles

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13
Q

What is the glenoid cavity?

A

on the scapula; socket that holds the head of the humerus

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14
Q

What is the subscapular fossa?

A

depression on the anterior surface

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15
Q

What is the scapular spine?

A

ridge across the posterior surface

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16
Q

What is the supraspinous fossa?

A

superior to scapular spine

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17
Q

What is the infraspinous fossa?

A

inferior to the scapular spine

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18
Q

What is the humerus?

A

the arm

19
Q

What is the head of the humerus?

A

proximal end; fits into the glenoid cavity to form a ball-and-socket joint

20
Q

What are the greater and lesser tubercles?

A

on the humerus; separated by the intertubercular groove (tendon of the bicep muscle runs through)

21
Q

What is the deltoid tuberosity?

A

on the midshaft of the humerus; rough area where deltoid muscle attaches

22
Q

What is the radial groove?

A

on posterior surface of humerus; radial nerve runs along the groove

23
Q

What is the condyle?

A

distal end of humerus; articulates with radius & ulna

24
Q

What is the medial trochlea?

A

on the condyle; articulates with ulna

25
Q

What is the lateral capitulum?

A

on the condyle; articulates with radius

26
Q

What are the medial & lateral epicondyles?

A

on the humerus; includes the ulnar nerve

27
Q

What is the ulnar groove?

A

where the ulnar nerve runs through

28
Q

What are the coronoid fossa & olecranon fossa?

A

depressions that allow the corresponding processes of the ulna to move freely during flexion & extension

29
Q

What is the radius?

A

forearm bone on the lateral/thumb side

30
Q

What is the head of the radius?

A

articulates with capitulum of humerus

31
Q

What is the radial tuberosity?

A

medial to the head; attachment for the biceps muscle

32
Q

What is the styloid process of the radius?

A

distal end of the radius

33
Q

What is the ulna?

A

forearm bone on the medial/pinky side

34
Q

What is the coronoid process?

A

anterior side of ulna

35
Q

What is the olecranon process?

A

elbow; posterior side of ulna

36
Q

What is the trochlear notch?

A

separates the coronoid and olecranon process

37
Q

What is the radial notch?

A

on the ulna; articulates with the head of the radius

38
Q

What is the styloid process of the ulna?

A

distal end of ulna; attachment for wrist ligaments

39
Q

What is the ulnar head?

A

distal end of ulna

40
Q

What is the carpal (wrist)?

A

2 irregular rows of 4 bones held together by ligaments

41
Q

What is the proximal carpal row (lateral to medial)?

A

scaphoid-lunate-triquetrum-pisiform

42
Q

What is the distal carpal row (lateral to medial)?

A

trapezium-trapezoid-capitate-hamate

43
Q

What are the metacarpals (palm of hand)?

A

numbered 1-5 from thumb side; bases articulate with the carpals; heads articulate with the phalanges

44
Q

What are the phalanges (fingers/digits)?

A

numbered 1-5 from thumb side; 14 miniature long bones; each finger (except thumb) has 3 phalanges (proximal, middle, distal)

OLD (9 decks)

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