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Anatomy and Physiology > The Appendicular Skeleton > Flashcards

The Appendicular Skeleton Flashcards

1
Q

What is the appendicular skeleton

A

Attaches bones of the upper extremities to the axial skeleton

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2
Q

What are the two joints of the clavicle

A

Sternoclavicular joint

Acromioclavicular joint

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3
Q

Explain what the sternoclavicular joint of the clavicle is

A

Clavicle articulates medially with the manubrium of the sternum

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4
Q

Explain what the acromioclavicular joint that is on the clavicle

A

Clavicle articulates laterally with acromion process of scapula

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5
Q

What is the scapula

A

Shoulder blade

Flat triangular bone in dorsal thorax

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6
Q

What is the spine of the scapula

A

Sharp diagonal ridge on posterior surface

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7
Q

What is the acromion process of the scapula

A

Expanded process at lateral end of superior border

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8
Q

What is the coracoid process of the scapula

A

Hook-like process on lateral end of superior border

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9
Q

What is the glenoid cavity of the scapula

A

Depression below acromion (arm socket)

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10
Q

Explain the acromioclavicular joint of the scapula

A

Acromion process of scapula articulates with clavicle

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11
Q

Explain the shoulder joint of the clavicle

A

Glenoid cavity of scapula articulates with head of humerus

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12
Q

What is the os coxae?

A

The pelvic girdle/ hip bones

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13
Q

What are the three bones of the os coxae

A

Ilium
Ischium
Pubis

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14
Q

What is the ilium of the os coxae?

A

Flat flaring superior region

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15
Q

What is the ischium of the os coxae

A

Lower posterior portion

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16
Q

What is the pubis of the os coxae

A

Medial anterior portion

17
Q

Explain what the acetabulum of the os coxae is

A

Hip socket

Depression where ilium, ischium, and pubis has fused

18
Q

Explain what the obturator foramen of the os coxae is

A

Large hole; covered by fibrous membrane in body

19
Q

Explain what the pelvis is

A

Basin-like structure formed by the union of the os coxae with the sacrum and coccyx

20
Q

Why are these differences necessary

A

Adaptations for childbirth

21
Q

What are some of the differences between the male and female pelvis

A 
Male- narrower 
Male- more triangular shaped 
Female- more cylinder shaped 
Female- enlarged pelvic outlet 
Female- ilia project more laterally
22
Q

What are the two arches of the foot

A

Longitudinal

Transverse

23
Q

Explain the longitudinal arch of the foot

A

Form calcareous to distal end of metatarsals

24
Q

Explain the transverse arche of the foot

A

Follows joints between tarsals and metatarsals

25
Q

What purpose do the arches of the foot serve?

A

Shock
Absorption
Balance
Transfer of weight when walking

Anatomy and Physiology (5 decks)

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