Pronation, Supination, Carpal Tunnel Flashcards by Iseoluwa Ojo

CHARACTERISTICS

-possible only in the ____ and _____

forearm and hands

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movements in our hand is solely permitted by the ____ and ____ joints

superior and inferior radioulnar

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PROXIMAL RADIOULNAR JOINT

Radial notch: accepts __
Annular ligament: A ligament that starts from _____, goes _____, and ends at ____

-Arcuate/quadrate ligament: between ____ of ____ and ____

head of radius

one margin of the notch; round the head; the other margin of the notch

head of radius and ulna

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PROXIMAL RADIOULNAR JOINT

——— ______ joint

synovial pivot

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there’s a level of mobility of the radial head. It can move around the _____ but the ____ prevent it from pulling out

radial notch

annular ligament

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DISTAL RADIOULNAR JOINT
-Ulnar notch: accepts ____ of ____ bone

pivotal synovial joint
allows movement of the ulna to a certain degree
palmar and dorsal capsular/radioulnar ligament , unlar collateral ligament , ulnolunate ligament, ulnotriquetral ligament also fortifies the joint

head of ulna

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FibroCartilage:

there is a ____ shaped disc that is formed at the _____ joint which accepts the ___; forms the articular surface of the ______ joint

triangular

radioulnar

ulnar

distal radioulnar

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FIBROUS CAPSULE

at _____ radioulnar joint
continuous with the capsule of the ____ joint to attach to the _____ ligament
the ____ and ____ ligament also helps
envelops the _____ radioulnar joint

proximal

elbow

annular

radial and ulnar collateral

proximal

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INTEROSSEOUS MEMBRANE

found between the ____ and ____ bone
runs _____ (upwards or downwards?) from the radius to ulna bone
at its (proximal or distal?) part , there’s an opening which allows passage of the _____

radius and ulnar

obliquely

downwards

distal

blood vessel

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OBLIQUE CORD

fiber runs (medially or laterally ?) from the ulna to the radius
______ direction to the interosseeous membrane

laterally

opposite

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Pronator teres:

(chief or supporting?) muscle
from _____ and ______ to ____ of ___

supporting

medial epicondyle and Coronoid process of ulna

lateral mid shaft of radius

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Pronator quadratus:

(chief or supporting?) muscle
from ____ Surface of (proximal or distal?) ulna to (proximal or distal?) _____ Surface of distal radius

Chief

anterior; distal; distal; anterior ; anterior

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Supinator: from ____ and _____ to ______

from lateral epicondyle and post surface of ulna

post lat surface of radius

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Biceps brachii:

short from ____ and long from _____ to ____ of ____

coracoid

supraglenoid
radial tuberosity of radius

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ANTERIOR INTEROSSEOUS NERVE SYNDROME

the INTEROSSEOUS membrane has spaces for vessels to pass
when the ____ gets entrapped, that’s what causes the issue because the nerve gets compressed
symptoms include failure to _____ with ____ and _____, weakened ___ and _____ finger pincer grip. and ____ease pronation strength

median nerve

make an ok sign with thumb and index

thumb and index

Decr

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which is stronger

Pronation or supination

Pronation

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GALEAZZI FRACTURE

occurs when you ___ your hand and ___ in that position which can lead to a fracture of the ____ of the _____
can cause dislocation of the ______ joint
making the pronation and supination movements impossible due to pain felt by the ______ of the _____ joint

stretch

fall

distal shaft of the radius

distal radioulnar

incompatibility of the radioulnar

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CARPAL TUNNEL

(narrow or wide?) passage on the palm side of the wrist
made up of bones and ligaments

narrow

BOUNDARIES OF THE CARPAL TUNNEL
-formed mainly by bones

Medially
_____ and ____

Laterally
_____ and _____ bones
_____________ :tendon from _____

Roof
________

Pisiform and Hamate

Trapezium and Scaphoid

Fibrosseous Flexor carpi radialis; FCR

Flexor retinaculum

CONTENTS of carpal tunnel syndrome

9 tendons
4 are ______ tendon
4 are _______ tendon
1 is _______ tendon
_____ nerve

flexor digitorum superficialis

flexor digitorum profoundus

flexor policis longus

median

Swelling of the synovial sheat can cause pressure in the tunnel leading to _____ of the _____ resulting in ____ of the thumb and part of the hand. If it’s serious, can lead to pain

compression of the median nerve

numbness

_______ nerve passed over the carpal tunnel

Cutaneous branch of median

Radioulnar joints are ___axial joints , allowing movement in only ___ direction

Uni

One

The upper margin of the annular ligament is continuous with the ___ of the ____ joint and its lower part becomes (narrow or wide?) and embraces the _____ of radius.

capsule of the elbow

narrow

neck

The inner surface of annular ligament is covered by a (thin or thick?) layer of _____. Laterally, it blends with the ______ ligament.

thin cartilage radial collateral

Quadrate ligament: It is (thin or thick ?), (fibrous or serous?) ligament, which extends from__ of ____ to the (upper or lower?) part of _____ of ulna just (above or below?) the radial notch.

thin fibrous neck of radius upper supinator fossa below

Relations of superior radioulnar joint Anteriorly and laterally: _____ muscle. Posteriorly: ____ muscle.

Supinator Anconeus

Capsular ligament (joint capsule): The synovial lining of the joint sends an upward prolongation in front of the lower part of the interosseous membrane called ______.

recessus sacciformis

The synovial cavity of the inferior radioulnar joint communicate with the synovial cavity of the wrist joint. T/F

Articular disc of inferior radioulnar joint : is sometimes referred to by clinicians as _____.

triangular ligament

Articular disc: Its apex is attached to the ___ of the ____ of ____ and its base to the __ margin of the ____ of ______.

base styloid process of ulna lower ulnar notch of radius

The ______ separates the inferior radio-ulnar joint from the wrist joint.

articular disc

Relations of inferior radioulnar joint Anteriorly: ________ Posteriorly: _______

Flexor digitorum profundus. Extensor digiti minimi.

The INTEROSSEOUS membrane of the forearm does not interfere with the movements, which take place in the forearm T/F

INTEROSSEOUS MEMBRANE OF THE FOREARM is sometimes termed _____ joint. This is a _____ type of ____ joint.

middle radio-ulnar syndesmosis fibrous

INTEROSSEOUS membrane of the forearm begins (above or below?) the _____ of the _____ and blends distally with the ______ of the ____

below tuberosity of the radius capsule of the inferior radioulnar joint

INTEROSSEOUS membrane of the forearm runs from _____ to ___[

Radius to ulna

Posterior interosseous vessels of the forearm pass through a space between the ____ margin of ___ and the _____

Upper ; INTEROSSEOUS membrane of the forearm Oblique cord

The anterior INTEROSSEOUS vessels pass by _____ the _____ 5cm above its ____ margin

Piercing the INTEROSSEOUS membrane of the forearm Lower

______ supinates the pronated forearm to midprone position

Brachioradialis

______, pronates the supinated forearm to midprone position

Brachioradialis

Most important stabilizing factor of proximal radio ulnar joint is ?? Most important stabilizing factor of distal radio ulnar joint is ??

Annular ligament Articular disc

Things that pass superficial to the flexor retinaculum of the wrist ``` ____ nerve _____ artery _____________ nerve. Tendon of ____ _______________ nerve. _________________ artery. ```

Ulnar Ulnar Palmar cutaneous branch of ulnar palmaris longus Palmar cutaneous branch of median Superficial palmar branch of radial