Forearm and Hand X Flashcards

1
Q

Lateral epicondyltis

**

A

tennis elbow - inflammation of tendon at lateral epicondyle

Results for overuse

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2
Q

Carpal Tunnel Syndrome

**

A

most common nerve entrapment

Median nerve trapped through bony carpal tunnel

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3
Q

Scaphoid Bone fractures

**

A

fractured frequently with fall onto outstretched hand. can go undiagnosed

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4
Q

Mallet finger

**

A

Overstretching or tearing of extensor tendon. finger wot straighten at tip

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5
Q

Trigger Finger

**

A

inflammation in flexor tendons or associated digital sheaths. sheath or tendon may thicken or nodules form = decreased ability of tendon to glide through sheath during finger movements.

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6
Q

Bicipital aponeurosis

**

A

covering for the brachial artery and median nerve

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7
Q

Contents of Cubital fossa (L->M)

**

A

tendon of biceps brachii, brachial artery, median nerve

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8
Q

Compartments of the Forearm

A

Anterior (Flexor)
Posterior (Extensor)
Lateral Intermuscular Septum
Interosseous Membrane (connect Radius and Ulna)

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9
Q

Anterior Forearm Compartment - Genral parts,Fxns

A

Superficial, Intermediate, Deep
Movements of the wrist joint
Flexion of the fingers and thumb
Pronation of the forearm

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10
Q

Anterior forearm - Superficial Muscles (L->M)

A

Pronator Teres
Flexor Capilaris Radialis
Palmaris Longus
Flexor Capilaris Ulnaris

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11
Q

Anterior Arm - Intermediate Muscles, importance

A
Flexor digitorum superficilias (two heads)
Median nerve (just deep)
ulnar artery (just deep)
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12
Q

Anterior Arm - Deep Muscles

A

Flexor digitorum porofundus
Flexor pollicis longus
Pronator Quadratus

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13
Q

Radial Artery - location

A

Superficially
Anterior lateral area of wrist
DOESNOT run with radial artery

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14
Q

Ulnar Artery

A

SUperficial
Anterior medial in wrist
Branches to ant and post Interosseous arteries that will be medial to wrist.

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15
Q

What doesnt pass through Carpal Tunnel?

**

A

ulnar nerve and artery, and palmar cutaneous branch of median nerve

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16
Q

Carpal tunnel components

**

A

Median nerve

tendons of FDS, FDP, FPL

17
Q

Thenar Muscles - list, innervation

A

Abductor Pollis Brevis
Flexor Pollis Brevis
Opponens Pollicis
recurrent branch - median nerve

18
Q

Hypothenar Muscles - list, innervation

A

Abductor digiti minimi
Flexor Digiti minimi brevis
Opponed digiti minimi
Deep branch -ulnar nerve

19
Q

Adductor Pollicis - fxn, innervation

A

Thumb movement

deep branch ulnar nerve

20
Q

Lubricales - List, fxn

A

1,2,3,4
Flex at MCP joint,
Promote extension at PIP and DIP joints

21
Q

Boundaries of Cubital Fossa

**

A

Between bracioradialis and pronator teres

Floor - brachialis

22
Q

Arterial Supply - Palm

**

A

Superfical Arch - ulnar and radial arteries

23
Q

Sensory Innervation - palm

**

A

Median nerve to palm - superfical branch

24
Q

Boundaries of snuffbox

***

A

(Lateral) Abductor Polliccis Longus/Extensor Pollicis Brevis
(Medial) Extensor Pollicis Longus
(Floor) Schaphoid and Trapezium
distal tendons of extensor carpi radialis longus and brevis
(Bottom) Extensor Retinaculum

25
Structures of snuffbox, clinical significance | ***
Radial Artery Scaphoid fracture = radial artery compressed NO blood supply to bone = degeneration
26
significance of extensor hood | ***
Tendons of ED and EPL pass to dorsal hand and expand over phalanges Intrinsic have muscles insert to allow fine movements
27
Lateral Epicondylitis - affected muscles and movements | ***
Inflammation and pain at tendons of Lateral epicondyle, Tennis elbow Affects muscles of posterior arm - specifically extensor carpi radialis brevis Affects wrist extension, gfip strength
28
Carpal Tunnel Syndrome - symptoms | ***
Pain,weakness, numbeness in fingers, including thumb but not including palm or little finger due to compression of median nerve in carpal tunnel
29
Deep Branch of Radial Nerve could get entrapped under suppinator
KNOW
30
Ulnar Eminence
Hamate and Pisiform
31
Radial Eminence
Trapezium and Schappoind