Structure of the forearm Flashcards

1
Q
A
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2
Q

Name the carple bones

A

1) Scaphoid
2) Lunate
3) Triquetral
4) Pisiform
5) Trapezium
6) Trapazoid
7) Capitate
8) Hamate

Some lovers try positions that they cannot handle

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3
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5
Q
A

Superior arrow: Succiform recess

Lateral arrow: Fibrous articular disc

Inferior arrow: Wrist joint proper

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6
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15
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16
Q
A

1) Radiocarpal joint
2) Midcarpal joint
3) Carpometacarpal joint (Only thumb has movement)

17
Q

What is the function of bursae?

A

Fluid filled sacs that prevent rough edges of bone from rubbing skin raw or protect muscles.

18
Q

What are the bursae of the glenhumoral joint?

A

Subscapularis bursa

Subacromial bursa

Sub deltoid bursa (lateral continuation of subacromial bursa)

19
Q

What nerve innervates the subscapularis and what is the muscles function?

A

Upper and lower subscapular nerve

Internally rotates arm

20
Q

What is the function of the supraspinatus and what nerve innervates it?

A

Adbucts arm

Suprascapular n.

21
Q

What is the function of the infraspinatus and what nerve innervates it?

A

Externally rotates arm

Suprascapilar nerve

22
Q

What is the function of teres minor and what nerve innervates it?

A

Externally rotates arm.

Axillary nerve.