Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy- Muscles > 2nd Midterm Fall 2017 Semester > Flashcards

2nd Midterm Fall 2017 Semester Flashcards

1
Q

Brachioradialis

A

O: lateral supracondylar ridge

I: Styloid process of the radius

N: Radial Nerve

A: flexion when forearm in midposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Aconeus Muscle

A

O: laretal epicondyle of humerus

I: lateral surface of ulna

N: radial

A: extension & pronation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Radial-ulnar joint

A

Supination and pronation
Radius rotates around ulna distally
Radius rotates into radial notch proximal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Elbow Joints

A 
Radial collateral
Ulnar collateral
-anterior bundle
-posterior bundle
-transverse bundle
Angular ligament of the radius
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Arches of Hand

A

Proximal
Distal
Longitudinal
Arch btwn thumb and index finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Bones of Thumb (Distal to Proximal)

A 
2nd phalanx 
1st phalanx
1st metacarpal
Trapezium 
Scaphoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Joints of Thumb (4)

A

Scapho-trapezium
Trapezo-metacarpal

Metacarpal-phalanx
Interphalanx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Intrinsic Hand Muscles

-Muscles of opposition

A

Opponens

  • digiti minimi (pinky)
  • pollicis (Thumb)

Flexor:

  • digiti minimi brevis (pinky)
  • pollicis brevis (Thumb)

Abductor:

  • digiti minimi brevis (pinky)
  • pollicis brevis (Thumb)

Adductor:
-pollicis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Types of Hand Function

A 
Prehension 
-static grips or dynamic grips
Percussion
Gesture
Weight Support
Exploration & touch communication
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Palm Muscles

A 
Lumbricals
Dorsal & Palmar Interossei
-DAB: Dorsal AB-Duct
-PAD: Palmar AD-duct
Adductor Pollicis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Thenar Muscles (Thumb)

A

Flexor Pollicis Brevis
ABductor Pollicis Brevis
Opponens Pollicis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Hypothenar (pinky)

A

Palmaris Brevis
Flexor Digiti Minimi
AB-ductor Digiti Minimi
Opponens Digiti Minimi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Blood & Nerve Supply of Hand

A

Arteries:
Radial Artery (take pulse)
Ulnar Artery

Nerves:
Ulnar
-medial 1 1/2 digits
-palmar and dorsal innervation

Median

  • only nerve through carpal tunnel
  • palmar and dorsal side of 3 1/2 fingers
  • dorsal innervation, over finger tips stop at DIP Joint

Radial

  • dorsal lateral aspect of hand
  • dorsal 3 1/2 fingers from DIP JOINT and continues proximally
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Anterior Forearm Muscles (Flexors)

***4-1=3
4-superficial (PFPF)
1-intermediate
3-deep

A
  • Pronator Teres
  • Flexor Carpi Radialus
  • Palmaris Longus
  • Flexor Carpi Ulnaris

-Flexor Digitorium Superficialis

  • Flexor Digitorium Profundus
  • Flexor Pollicis Longus
  • Pronator Quadratus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Pronator Teres

A

O:

  • Humeral head: proximal to medial epicondyle, common flexor tendon
  • Ulnar head:coronoid process

I: radius, midway along lateral shaft

N: median nerve

A: pronates FA, SECONDARY elbow flexor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Flexor Carpii Radialis

A

O: medial epicondyle of humerus by CTF, adjacent internuscular septum & antebrachial septum
I: palmar aspect of 2nd MC base and slip of 3rd MC base
N: Median
A: flex wrist, ABduct Radial deviation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Palmaris Longus

A

O: medial epicondyle by CFT, adj inter muscular septum, antebrachial fascia
I: Flexor retinaculum at wrist & palmar aponeurosis
N: Median Nerve
A: flexes wrist, tenses palmar aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Flexor Carpii Ulnaris

A

O:
Humeral head- medial epicondyle by CFT
Ulnar head-medial margin of olecranon, proximal 2/3 of post border of ulna
I: pisiform & hamate bone and 5th MC by pisohamate & pisometacarpal ligament
N: ulnar Nerve
A: flex wrist, ulnar deviation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Flexor Digitorium Superficialis

A

O
-Humeroulnar Head: med epicondyle, UCL, intermuscular Septa & Med aspect of coronoid process

-radial head: anterior radial border
I: middle phalanges of 4 lesser fingers via 4 tendons
N: Median
A: Flexes PIP, MCP of the lesser 4 digits and wrist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Flexor Digitorium Profundus

A

O: Ant, Med & posterior surfaces of proximal 3/4 ulna, and med aspect of coronoid process and interosseous membrane

I: Palmar Aspect Base of distal phalanges

N:

  • Lateral 1/2: Ant Interosseous
  • Medial 1/2: Ulnar

A: flexes DIP of lesser 4 digits, secondarily PIPs, MCPs and wrist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Flexor Pollicis Longus

A

O: Ant surface of radius b/t the tuberosity & pronator quadratus muscle, adjacent Interosseous membrane

I: distal phalanx of Thumb, volar surface

N: Anterior Interosseous

A: Flexes IP joint of Thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Flexor Quadratus

A

O: Anterior surface of ulna along oblique ridge

I: Anterior border and surfaces of radius along distal 1/4

N: Anterior Interosseous

A: pronates forearm, opposes separation of ulna and radius

23
Q

Dorsal Forearm Muscles (Extensors)

Laws of 3: wrist, thumb, fingers and (Aconeus, brachioradialis & supinator)

A 
Superficial:
Brachioradialis
Extensor Carpii Radialis Longus
Extensor Carpii Radialis Brevis
Extensor Digitorium 
Extensor Digiti Minimi
Extensor Ulnaris
Deep:
Anconeus 
Supinator
ABdor pollicis Longus
Extensor Pollicis Brevis
Extensor Pollicis Longus
Extensor indices
24
Q

Brachioradialis

A

O: sup 2/3 of lateral supracondylar ridge of humerus & lateral intermuscular septum

I:distal aspect of lateral surface of radius, proximal styloid process

N: radial

A:Flexes elbow

25
Q

Extensor Carpi Radialis Longus

A

O:inf 1/3 lateral supracondylar ridge, intermuscular septum, lateral epicondyle

I: base of 2nd MC on dorsal lat aspect

N: radial

A: Ext wrist, ABduct hand (radial deviation)

26
Q

Extensor Carpi Radialis Brevis

A

O: lateral epicondyle of humerus by CET, radial collateral ligament, adjacent and intermuscular septum

I: base of 3rd MC on dorsal lateral aspect

N: radial Nerve

A: Ext wrist, ABduct hand

27
Q

extensor Digitorium

A

O: lateral epicondyle by CET, intermuscular septum, antebrachial fascia

I: dorsal digital expansion of lesser 4 digits

N: deep branch of the radial

A: ext wrist & IP’s and MCPs of lesser 4 digits

28
Q

Extensor Digiti Minimi

A

O: lateral epicondyle by CET & adjacent antebrachial fascia

I: dorsal digital expansion of 5th digit

N: Deep Branch of Radial Nerve

A: Ext wrist & 5th Digit

29
Q

Extensor Carpi Ulnaris

A

O: lateral epicondyle by CET, post border of ulna, overlying antebrachial fascia

I: base of 5th MC @ medially located tubercle

N: Deep Branch of Radial Nerve

A: Ext wrist, ADducts hand (Radial deviation)

30
Q

Aconeous

A

O:lateral epicondyle
I: lat aspect of olecranon process
N: radial
A: assist w/ elbow extension

31
Q

Supinator
4 syllables = 4 origins
2 insertions

A

O: lat epicondyle, Radial collateral lit, annular lig, supinator crest of ulna

I: proximal 1/3 of radius along post & lateral surface

N: Deep branch of Radial Nerve

A: supinator FA

32
Q

ABdor Pollicis Longus

3 words = 3 origin sites

A

O: ulna, Interosseous membrane & post surface of radius
I: base of 1st MC
N: radial
A: Abds Thumb at 1st CMC joint

33
Q

Extensor Pollicis Brevis

A

O: post surface of radius, adjoining Interosseous membrane
I: base of proximal phalanx of 1st digit
N: radial
A: ext 1st MCP & CMC joint

34
Q

Extensor Pollicis Longus

A

O: Middle 1/3 of post surface of ulna & interroseous membrane
I: distal phalanx of Thumb on dorsal surface
N: radial
A: ext IP

35
Q

Extensor Digiti indices

A

O: post distal surface of ulna
I: base of distal phalanx of index
N: radial
A: ext 2nd digit & wrist

36
Q

ABductor Pollicis Brevis

A

O: Flexor retinaculum, scaphoid & trapezium

I: base of proximal phalanx of Thumb & extensor hood

N: Median

A: ABD thumb

37
Q

Flexor Pollicis Brevis

A

O:
Superficial: Flexor retinaculum & tubercle of trapezium

Deep: trapezoid, capitate & palmar carpal lig

I: proximal phalanx of Thumb

N: Median Nerve

A: flex 1st MCP & CMC

38
Q

Opponens Pollicis

A

O: Flexor retinaculum & trapezium

I: lat border & palmar surface of 1st MC

N: Median

A: rotates Thumb into opposition

39
Q

ADDuctor Pollicis

A

O:
Oblique Head: capitate bone, bases of 3rd MC
Tranvs Head: volar aspect of 3rd MC

I: base of proximal phalanx of Thumb, volar side

N: ulnar

A: ADDs Thumb

40
Q

Opponens Digiti Minimi

A

O: hook of hamate, flexor retinaculum

I: 5th MC along entire ulnar side

N: ulnar

A: opposes 5th digit

41
Q

Flexor Digiti Mini

A

O: hook of hamate, Flexor retinaculum

I: proximal phalanx of 5th digit

N: ulnar

A: Flexes 5th digit

42
Q

ABDuctor Digiti Minimi

A

O: pisiform bone, FCU

I: base of proximal phalanx at 5th digit

N: Ulnar

A: ABDs 5th digit at MCP

43
Q

Palmaris Brevis

A

O: lat attach-Flexor ret, medial aspect of Palmar aponeurosis

I: dermis of hand medial border

N: ulnar

A: wrinkles skin medial side palm, deepens concavity of palm

44
Q

Lumbricals

A

O: blends w/ FDP tendons

I: extensor hoods digits 2-5

N: ulnar

A: Flexes MCPs & ext IPs of lesser 4 digits

45
Q

Palmar Interossei

A

O: sides of MCs

I: extensor hoods of digits 1-5, prod phalanx of Thumb

N: ulnar

A:ADDs digits toward 3rd digit

46
Q

Dorsal Interossei

A

O: adjacent sides of MCs

I: extensor hoods & proximal phalanx of digits 2-4

N: ulnar

A: ABDs digits 2-4

47
Q

Coracobrachialis

A

O: coracoid process
I: humerus midway along med border
N: musculocutaneous
A: flex & horizontal add of humerus

48
Q

Biceps Brachii

A 
short head 
O: Corachoid process
 I: flat tendon radial tuberosity
A: flex elbow/humerus & supinator of forearm
N: Musculocutaneous

long head
O: Glenoid labrum & supraglenoid tubercle
I: flat tendon radial tuberosity
A: flex elbow/humerus & supinator of forearm
N: Musculocutaneous

49
Q

Brachialis

A

O:ant surface of humerus along distal 1/2,
I: coronoid process & ulna tuberosity
A: flex of elbow
N: musculocutaneous

50
Q

Triceps Brachii

A

Long Head (O: scapula @ infraglenoid tubercle)

Lateral Head (O: narrow obliq area post surface humerus, sup spiral line & lat intermuscular septum)

Medial Head (O: large area post surface humerus, inf spiral line & med intermuscular septum)

I (all): common tendon to olecranon processof ulna (CTOPU)
N: radial
A (all): ext elbow; long Head-add humerus

51
Q

Rectus Abdominus

A

Action: flexion of lumbar spine w/ fixed pelvis, Posterior pelvic tilt w/fixed rib cage, expiration, intra-dominal pressure

Fibers run vertically

52
Q

Transverse Abdominus

A

Stabilize lumbar spine and pelvis before movement of upper/lower limbs occur

Fibers run horizontally
Wraps around to the back of body

53
Q

External Obliques

A

Action:contraction there’s ipsilateral flexion of spine and contralateral trunk rotation

Anatomy- Muscles (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions