Structure of the forearm

Question 1

Answer 1

Question 2

Name the carple bones

Answer 2

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

Some lovers try positions that they cannot handle

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Superior arrow: Succiform recess

Lateral arrow: Fibrous articular disc

Inferior arrow: Wrist joint proper

Question 6

Answer 6

Question 7

Answer 7

Question 9

Answer 9

Question 10

Answer 10

Question 11

Answer 11

Question 12

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

Answer 16

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

Question 17

What is the function of bursae?

Answer 17

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

Question 18

What are the bursae of the glenhumoral joint?

Answer 18

Subscapularis bursa

Subacromial bursa

Sub deltoid bursa (lateral continuation of subacromial bursa)

Question 19

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

Answer 19

Upper and lower subscapular nerve

Internally rotates arm

Question 20

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

Answer 20

Adbucts arm

Suprascapular n.

Question 21

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

Answer 21

Externally rotates arm

Suprascapilar nerve

Question 22

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

Answer 22

Externally rotates arm.

Axillary nerve.