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Myology, osteology, arthrology > Arm > Flashcards

Arm Flashcards

0
Q

Flexor carpi radialis

A

Anterior, superficial

O.   Medial epicondyle of the CFT
I.     Base of 2&3 metacarpal
Act. Flexes at wrist, elbow, and radially deviates
N.    Medial
A.    Ulnar and radial

Shake, supinate, distal tendon

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1
Q

Pronator Teres

A

Anterior, Superficial (PASS fail pass fail)

O 2 heads: medial epicondyle of humerus
Coronoid process of ulna
I lat aspect of radius
Act pronates, flexes elbow
N. Median
A. Ulnar, radial

Shake, thumb in valley at elbow

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2
Q

Palmaris longus

A

Anterior, Superficial

O. Medial epicondyle of the humerus, off the CFT
I. Palmar aponeurosis and flexor retinaculum
Act. Flexes wrist, elbow
N. Median
A. Ulnar

Shake, supinate, distal tendon

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3
Q

Flexor carpi ulnaris

A

Anterior, superficial

O. Medial epicondyle of the humerus, off the CFT
I. Pisiform, hook of hamate, base of MC 5
Act. Flexes wrist, arm, ulnar deviation
N. Ulnar
A. Ulnar

Shake, supinate, pisiform

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4
Q

Flexor digitorum superficialis

A

O. 3 heads-Medial epicondyle of humerus off CFT
-coronoid process of ulna
-proximal 1/3 of radius
I. Middle phalanges of the 2-5 digits
Act. Flexes PIP, MCP, wrist, some elbow
N. Median
A. Ulnar, radial

Shake, supinate, palp up ulnar, squeeze fingers individually to thumb

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5
Q

Flexor digitorum profundus

A

Anterior, deep

O. Posterior, anterior, medial ulna, interosseus membrane
I. Distal phalanges 2-5
Act. Flexes at MCP, DIP, PIP, wrist
N. Median, ulnar
A. Radial, ulnar, anterior interosseus

Shake, supinate, palp up ulnar side, press fingers to thumb individually

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6
Q

Flexor policis longus

A

Anterior, deep

O.   Distal 1/3 of radius
I.     Distal phalanx 1
Act.flexes IP, CMC jt of digit 1
N.   Median
A.    Radial, anterior interosseus

Deep to my finger

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7
Q

Pronation quadratus

A

Anterior deep

O.  Distal anterior ulna
I.    Distal anterior radius
Act.pronates forearm
N.  Median
A.   Anterior interosseus

Supinate, slide medial to radial styloid process, engage.

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8
Q

Teres minor

A

O. Superior portion of lateral border of scapula
I. Inferior facet of greater tubercle of the humerus
Act. lateral rotation
N. Axillary
A. Circumflex humeral, circumflex scapular

Prone, arm off bed, engage

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9
Q

Subscapularis

A

O. Subscapular fossa
I. Lesser tubercle
Act. Medial rotation
N. Upper and lower subscapular
A. Circumflex scapular, dorsal subscapular, suprascapular
(Up, down, around back and above)

Sitting, hand deep in armpit, press their hand to stomach

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10
Q

Teres major

A 
O.   lateral border of scapula, inferior portion
I      Medial lip of bicipital groove
Act. Adduction, medial rotation
N.   Lower subscapular
A.    Circumflex scapular
       (LeSS CaSh)

Prone, arm off table, adduct

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11
Q

Deltoids

A

Seated. Spine, acromion, clavicle

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12
Q

Coracobrachialis

A

Supine, arm straight out and bent 90 degrees, have them adduct against your hand, palp along muscle

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13
Q

Biceps brachii

A

O. 2 heads: long head-supraglenoid tubercle
Short head-coronoid process
I. Radial tuberosity & bicipital aponeurosis
Act. Flexes at GH and elbow jts, supinates
N. Musculocutaneous
A. Brachial

Sitting or supine. Flex.

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14
Q

Brachialis

A 
O.   Distal 1/2 of anterior humerus
I.     Ulnar tuberosity
Act. Flexes elbow
N.   Musculocutaneous
A    brachial

Seated. Flex, access lateral side & both sides of bicep tendons

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15
Q

Triceps brachii

A

O. 3 heads: long- infraglenoid tubercle
Medial-distal 1/2 humeral shaft
Lateral-proximal 1/2
I. Olecranon process of ulna
Act. Extension of GH jt
N Radial
A. Deep brachial

Prone, arm off table. Hold forearm against extension

16
Q

Brachioradialis

A 
O.   Lateral supracondylar ridge of the humerus
I.     Radial styloid process
Act. Flexes elbow, pronates, supinates
N.    Radial
A.    Brachial and radial

Sitting. Shake, flex

17
Q

Anconeus

A

Posterior, superficial

O.   Lateral epicondyle of the humerus, off CFT
I.     Lateral to the olecranon
Act. Extends the elbow jt
N.    Radial
A.    Deep brachial
18
Q

Extensor carpi radialis longus

A

Posterior superficial. Part of Wad of 3.

O    Lateral supracondylar ridge of humerus
I.     Base of the 2 metacarpal 
Act. Extends wrist, radial deviation
N.    Radial
A.    Brachial and radial

Shake, slide laterally off brachioradialis, radially deviate

19
Q

Extensor carpi radialis brevis

A

Posterior Superficial. Part of wad of 3.

O.   Lateral epicondyle of humerus
I.     Base of metacarpal 3
Act. Extends wrist, radial deviation
N.   Radial
A.    Brachial and radial

Shake, extend, radially deviate

20
Q

Extensor digitorum

A

Posterior, superficial

O. Lateral epicondyle of humerus
I. Middle and distal phalanges 2-5 via dorsal-
Digital expansion
Act. Extend digits 2-5 at MCP, DIP, PIP jts, & wrist
N. Radial
A. Posterior interosseus

Shake, play piano.

21
Q

Extensor digiti minimi

A

Posterior superficial

O.   Lateral epicondyle of humerus
I.     Middle and distal phalanges of #5, via dorsal-
          Digital expansion 
Act. Extends wrist, MCP, PIP, DIP jts
N.    Radial
A.    Posterior interosseus
22
Q

Extensor carpi ulnaris

A

Posterior, superficial

O.   Lateral epicondyle of humerus and
          Middle third of ulna   
I.     Base of metacarpal 5
Act. Extends wrist, ulnar deviation
N     radial 
A.    Posterior interosseus
23
Q

Abductor pollicis brevis

A

Thenar muscle

O.   Flexor retinaculum, scaphoid, trapezium
I.     Proximal phalanx 1
Act. Abducts CMC jt of digit 1
N    median
A.    Radial
24
Q

Flexor pollicis brevis

A

Thenar muscle

O.   Flexor retinaculum, trapezium
I.     Proximal phalanx of digit 1
Act. Flexes at CMC and MCP jts of digit 1
N.    Median, ulnar
A.    Radial
25
Q

Opponens digiti minimi

A

Hypothenar muscle

O.   Flexor retinaculum, hook of hamate
I.     5th metacarpal, medial surface
Act. Opposition of digit 5 at CMC jt
N.   Ulnar
A.    Ulnar
26
Q

Adductor pollicis

A

Central compartment

O 2 heads:oblique- capitate, base of 2&3 MC
Transverse- 3rd metacarpal, distal portion
I. Proximal phalanx 1, medial portion
Act. Adduct CMC jt
N Ulnar
A. Radial

27
Q

Dorsal interossei

A

Central compartment, 4 of them, all are bipennates

O.   Bodies of MCs 1-5
I.     Proximal phalanges 2-4
Act abduction of 2-4 (DABB)
N.   Ulnar
A.    Radial, ulnar
28
Q

Palmaris brevis

A

Superficial facia

O. Flexor retinaculum, palmar aponeurosis
I. Dermis of the ulnar side of the hand
Act. Wrinkles skin on ulnar side of hand. Helps to tighten skin and
Tissue of hypothenars during gripping
N. Ulnar
A. Radial, ulnar

29
Q

Opponens pollicis

A

Thenar group

O.   Flexor retinaculum, trapezium
I.     Metacarpal 1, anterior lateral surface
Act. Opposition at CMC jt of digit 1
N.   Medial, ulnar
A.    Radial
30
Q

Deltoids

A 
O.   Lateral 1/3 of clavicle
       Acromion
       Spine of scapula
I.     Deltoid tuberosity
Act. Abduction, adduction, flexion, extension, medial/lateral extension
N.   Axillary
A.    Circumflex humeral
31
Q

Coracobrachialis

A 
O.   Coracoid process
I.     Middle third of humerus, medial surface
Act. Flexes, adducts at GH jt
N.   Musculocutaneous
A.    Brachial
32
Q

Triceps brachii

A

O. 3 heads:long head- infraglenoid tubercle
Lateral head- proximal 1/2 of humerus
Medial head- distal 1/2 of humerus
I. Olecranon process of ulna
Act. Extension of elbow, extension of GH jt by long head
N. Radial
A. Deep brachial

33
Q

Supraspinatus

A 
O.    Supraspinatus fossa
I.      Superior facet of greater tubercle
Act.  Abduction at GH jt
N.     Suprascapular 
A.     Suprascapular
34
Q

Infraspinatus

A 
O.   Infraspinatus fossa
I      Greater tubercle, middle facet
Act. lateral rotation
N     Suprascapular
A.    Suprascapular
35
Q

Abductor pollicis longus

A

Snuff box, lateral

O.   Middle 1/3 of posterior ulna, interosseus mem.
I.     Proximal base of metacarpal 1
Act. Abducts digit 1 @ CMC jt
N.   Radial
A.    Posterior interosseus
36
Q

Extensor indicis

A

O. Distal 1/3 of ulna & interosseus membrane
I. Middle and distal phalanges of digit 2 via
dorsal digital expansion
Act. Extends digit 2 at PIP, DIP, MCP jts, and wrist
N. Radial
A. Posterior interosseus

Myology, osteology, arthrology (4 decks)

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