Flashcards in Lecture 15- Forearm and Wrist Deck (17):
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Joints
• Elbow joint = ....... .......
synovial hinge
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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
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Joints
• Proximal radioulnar joint =....... joint => Radius ...... about the ulna during pronation (held in place by ........ ........)
pivot
annular ligament
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Joints
Distal radioulnar joint = ........ ........
synovial pivot
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Pronation
Rotation of radius on ........ of humerus and enclosed by
........ .........
capitulum
annular ligament
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Pronation
Produced by the pronator ......... and pronator ........
Innervated by the ....... Nerve
quadratus
teres
Median
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Supination
Produced by the ........ and ....... ......
Innervation by .............. and ....... nerves.
supinator
biceps brachii
musculocutaneous
radial
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Elbow joint
Synovial hinge joint
Articular surfaces covered with ...... .......
hyaline cartilage
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Elbow joint
Hinge joint
Movements = ........, ........
flexion, extension
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Medial (ulnar) collateral ligament
• ......... ........ of humerus to ....... process and ........ of ulna.
Triangular ligament with ........., .......... and ........ bands.
Medial epicondyle
coronoid
olecranon
Anterior,posterior and oblique
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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
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Posterior forearm muscles
• Superficial layer:
Common extensor origin = ......... ........ of humerus
• Extensors, supinators
• All innervated by ...... nerve
lateral epicondyles
radial
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Blood supply
•....... artery
•........ artery
•........ artery
Brachial
Ulnar
Radial
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Venous drainage
• SUPERFICIAL:
• ........... vein – lateral
• ............ vein – middle
•........... vein - medial
• DEEP:
• Radial veins
• Ulnar veins
Cephalic
Median
Basilic
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Lymphatics
• Superficial lymphatic vessels follow ......... veins
• Deep lymphatic vessels follow ...... veins
• All drains into .......... LYMPH NODES
superficial
deep
AXILLARY
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