Lecture 15- Forearm and Wrist Flashcards Preview

CHI282 - Human Anatomy 2 > Lecture 15- Forearm and Wrist > Flashcards

Flashcards in Lecture 15- Forearm and Wrist Deck (17):
0

Joints
• Elbow joint = ....... .......

synovial hinge

1

Interosseous membrane
Unites ..... and .......
Attachment for muscles.
Fibres pass predominantly ........ from radius to ulna.
Transfers force from radius ulna ->humerus ->>shoulder ->clavicle -> sternum

Radius and ulna
inferiorly

2

Joints
• Proximal radioulnar joint =....... joint => Radius ...... about the ulna during pronation (held in place by ........ ........)

pivot
annular ligament

3

Joints
Distal radioulnar joint = ........ ........

synovial pivot

4

Pronation
Rotation of radius on ........ of humerus and enclosed by
........ .........

capitulum
annular ligament

5

Pronation
Produced by the pronator ......... and pronator ........
Innervated by the ....... Nerve

quadratus
teres
Median

6

Supination
Produced by the ........ and ....... ......
Innervation by .............. and ....... nerves.

supinator
biceps brachii
musculocutaneous
radial

7

Elbow joint
Synovial hinge joint
Articular surfaces covered with ...... .......

hyaline cartilage

8

Elbow joint
Hinge joint
Movements = ........, ........

flexion, extension

9

Medial (ulnar) collateral ligament
• ......... ........ of humerus to ....... process and ........ of ulna.
Triangular ligament with ........., .......... and ........ bands.

Medial epicondyle
coronoid
olecranon
Anterior,posterior and oblique

10

Lateral (radial) collateral ligament
• ......... ......... of humerus to ........ ........ of ulna and .......... ............; capitulum of humerus to head of radius.
• Is ........ than ulnar collateral ligament but provides posterolateral stability.

Lateral epicondyle
radial notch
annular ligament
weaker

11

Anterior forearm muscles
• Superficial layer:
Common ...... origin = ......... ......... of humerus
• Flexors, pronators
• Mainly innervated by ....... nerve

flexor
medial epicondyle
median

12

Posterior forearm muscles
• Superficial layer:
Common extensor origin = ......... ........ of humerus
• Extensors, supinators
• All innervated by ...... nerve

lateral epicondyles
radial

13

Blood supply
•....... artery
•........ artery
•........ artery

Brachial
Ulnar
Radial

14

Venous drainage
• SUPERFICIAL:
• ........... vein – lateral
• ............ vein – middle
•........... vein - medial
• DEEP:
• Radial veins
• Ulnar veins

Cephalic
Median
Basilic

15

Lymphatics
• Superficial lymphatic vessels follow ......... veins
• Deep lymphatic vessels follow ...... veins
• All drains into .......... LYMPH NODES

superficial
deep
AXILLARY

16

structures lying in front of
the wrist
• Lateral ->medial
• Radial artery
• Tendon of flexor carpi radialis
• Tendon of palmaris longus (if present)
• Tendons of flexor digitorum superficialis
• Tendon of flexor carpi ulnaris
• Ulnar artery
• Ulnar nerve

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