ch 6 pt 1

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Description and Tags

elbow and forearm

exam 3

Last updated 7:08 PM on 7/8/26
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21 Terms

1
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<p>be abel to label the trochlea, capitellum, medial epicondyle, and lateral epicondyle, coronoid fossa, radial fossa, olecranon fossa of the humerus of the humerus</p>

be abel to label the trochlea, capitellum, medial epicondyle, and lateral epicondyle, coronoid fossa, radial fossa, olecranon fossa of the humerus of the humerus

<p></p>
2
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medial and lateral supracondylar ridges of the humerus

knowt flashcard image
3
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what is the carrying angle (which is also humeral valgus)

typically between 5-15 degrees 9

4
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where is the coronoid fossa, radial fossa, olecranon fossa of the humerus

<p></p>
5
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what is the ulna do/ serve as

a stable base for elbow flexion and forearm rotation

<p>a stable base for elbow flexion and forearm rotation</p>
6
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<p>describe and label the trochlear notch, olecranon process, and coronoid process radial notch, head and ulnar styloid of the ulna</p>

describe and label the trochlear notch, olecranon process, and coronoid process radial notch, head and ulnar styloid of the ulna

<p></p>
7
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what is the interosseous membrane

  • protection of humeroradial joint from ode compression

  • transmits force across to ulna

<ul><li><p>protection of humeroradial joint from ode compression </p></li><li><p>transmits force across to ulna</p></li></ul><p></p>
8
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what does the radius do

rotates around the ulna for forearm pronation and supination

9
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<p>label the bony landmarks of the radius: head of radius, radial neck, radial (bicipital) tuberosity, radial styloid, ulnar notch of the radius</p>

label the bony landmarks of the radius: head of radius, radial neck, radial (bicipital) tuberosity, radial styloid, ulnar notch of the radius

knowt flashcard image
10
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what are the joints of the elbow and forearm (elbnow and forearm work tg like a rotating hinge)

humeroulnar joint

humeroradial joint

proximal radioulnar joint

11
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<p>humeroulnar joint</p>

humeroulnar joint

hinge joint (uniaxial)

does flexion and extension

<p>hinge joint (uniaxial)</p><p>does flexion and extension</p><p></p>
12
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<p>humeroradial joint</p>

humeroradial joint

modified hinge joint- uniaxial

flexion extension and rotation around capitellum

<p></p><p>modified hinge joint- uniaxial</p><p>flexion extension and rotation around capitellum </p><p></p>
13
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<p>proximal radioulnar joint </p>

proximal radioulnar joint

pivot joint (uniaxial)

pronation and supination ( radius moves around the ulna)

<p>pivot joint (uniaxial)</p><p>pronation and supination ( radius moves around the ulna) </p>
14
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what does the annular ligament do

holds the radial head in a radial notch of ulna

(wraps around radial head)

<p>holds the radial head in a radial notch of ulna </p><p>(wraps around radial head) </p>
15
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<p>what does the ulnar collateral ligament do (aka medial collateral ligament)</p>

what does the ulnar collateral ligament do (aka medial collateral ligament)

Prevents excessive valgus (lateral angulation) at elbow

<p><span>Prevents excessive valgus (lateral angulation) at elbow</span></p>
16
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<p>what does the radial collateral ligament do (aka lateral collateral ligament)</p>

what does the radial collateral ligament do (aka lateral collateral ligament)

prevents varus (medial angulation) at elbow

<p>prevents varus (medial angulation) at elbow </p>
17
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what is cubitus varus and cubitus valgus

cubitis varus- hand closer to body elbow is laterally away from body

cubitis valgus- elbow closer to body, hand away from body ( think caryign angle)

<p>cubitis varus- hand closer to body elbow is laterally away from body </p><p></p><p>cubitis valgus- elbow closer to body, hand away from body ( think caryign angle) </p>
18
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what are the anterior forearm muscles

biceps brachii,

pronator teres

, brachialis,

bicipital aponeurosis

, brachioradialis,

flexor carpi radialis

, flexor carpi ulnaris,

flexor retinaculum

<p>biceps brachii, </p><p>pronator teres</p><p>, brachialis, </p><p>bicipital aponeurosis</p><p>, brachioradialis, </p><p>flexor carpi radialis</p><p>, flexor carpi ulnaris, </p><p>flexor retinaculum</p>
19
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what are the posterior forearm muscles

tricpes brachii

anconeus

flexor carpi ulnaris

extensor carpi ulnaris

extensor retinaculum

extensor carpi radialis longus

extensor carpi radialis brevis

<p>tricpes brachii</p><p>anconeus </p><p>flexor carpi ulnaris</p><p>extensor carpi ulnaris </p><p>extensor retinaculum</p><p>extensor carpi radialis longus </p><p>extensor carpi radialis brevis </p>
20
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what are the posterior forearm muscles

knowt flashcard image
21
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flexor of the elbow

biceps brachii

brachialis

brachioradialis

(think self feeding, personal hygine, lifting objects, etc)

<p>biceps brachii </p><p>brachialis </p><p>brachioradialis </p><p>(think self feeding, personal hygine, lifting objects, etc) </p>