Appendicular Skeleton - Chapter 8 Flashcards

1
Q

Typically, how many bones are in the adult body

A

206

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2
Q

The pectoral girdle consists of what?

A

the scapula and the clavicle

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3
Q

The clavicle transmits what from the upper limb to the trunk?

A

mechanical energy

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4
Q

The scapula is also known as the?

A

shoulder blade

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5
Q

What does the scapula articulate with?

A

the humerus and clavicle

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6
Q

How many bones are in the upper limb?

A

30 bones

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7
Q

bones that are part of the upper limb

A

ulna, radius, humerus, carpals, metacarpals, phalanges

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8
Q

What movement of the olecranon prohibit?

A

over extension of the humerus

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9
Q

The radius is what to the ulna? (position)

A

lateral (little finger side)

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10
Q

ulna is in what position?

A

thumb side

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11
Q

The styloid process of the radius creates what feature?

A

wrist bump

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12
Q

The olecranon of the ulna creates what feature?

A

the elbow bump

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13
Q

The wrist interacts with what? the radius or the ulna?

A

the radius

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14
Q

What bones make up the wrist?

A

the carpal bones

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15
Q

What bones are contained in the palm?

A

the metacarpal bones

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16
Q

how may phalanges are in all 5 fingers?

A

14 (3 in each finger, 2 in each thumb)

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17
Q

how many wrist bones are there?

A

8

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18
Q

bones that make up the wrist (carpal bones)

A

scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate

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19
Q

the thumb is also known as?

A

the pollex

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20
Q

The pelvic gridle is comprised of what?

A

the pelvis and the girdle

21
Q

The right and left ossa coxae make up the what?

22
Q

The pelvis consist of?

A

os coxae with the sacrum and coccyx

23
Q

the os coxae is also known as

A

the hip bone

24
Q

after about how many years does the os coxae fuse?

A

~13-17 years

25
The os coxae is comprised of 3 fused bones, what are they?
ilium, ischium, pubis
26
All three bones of the os coxae makes up the what?
acetabulum
27
The ilium composes what portion of the os coxae?
superior portion and largest of the 3
28
The ischium composes that portion of the os coxae?
superior/posterior margin of acetabulum
29
Major differences between male and female pelvis:
- female ilia laterally flared = wider pelvis - female pelvic inlet = wider and oval - males pelvic inlet = heard shaped - female subpubic angle = wider, >90degrees - male subpubic angle = narrower, <90degrees
30
Why is the female pelvic inlet wider and more oval?
helps in child birth
31
How many bones are in each leg?
30
32
Bones that make up the lower limb:
Femur, tibia, fibia, tarsals, metatarsals, phalanges
33
Important characteristics of the femur?
longest, strongest, and heaviest bone in the body
34
The patella is also known as the...
knee cap
35
The tibial border makes up what feature of the leg?
the shin
36
The medial malleolus makes up what feature of the lower leg/tibia?
the ankle bone
37
descriptive characteristics of the fibia
long, thin, lateral crural bone; not weight-bearing
38
What is the tarsus?
7 bones that form the ankle and proximal foot
39
The calcaneus forms what?
the heel
40
The great toe is also called the
hallux
41
Function of foot arches:
prevent pinching of muscles, nerves, and blood vessels in foot do not met the floor
42
3 major arches in foot
Medial, lateral, and transverse
43
Medial arch (of foot)
from heel to hallux; highest arch
44
Lateral arch (of foot)
from heel to shin toe; lowest arch
45
transverse arch (of foot)
along distal row of tarsals
46
Clawfoot (pes cavus)
medial arch too elevated
47
Clubfoot (talipes equinovarsus)
rotation of medial longitudinal arches
48
Flatfoot (pes planus)
medial arch drops