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Kinesiology > Exam 3 > Flashcards

Exam 3 Flashcards

1
Q

Biceps Brachii Muscle

A

O: Coracoid process and supraglenoid tubercle
I: Radial Tuberosity
A: Flexion and supination

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2
Q

Brachialis Muscle

A

O: Anterior Humerus
I: Coronoid process of the ulna
A: Flexion

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3
Q

Brachioradialis Muscle

A

O: Lateral Humerus
I: Styloid process of the radius
A: Flexion, pronation, and supination

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4
Q

Triceps Brachii Muscle

A

O: Infraglenoid tubercle and posterior humerus
I: Olecranon process
A: Elbow Extension

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5
Q

Pronator Teres Muscle

A

O: Medial Humerus and Ulna
I: Lateral Radius
A: Pronation

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6
Q

Pronator Quadratus Muscle

A

O: Anterior Ulna
I: Anterior Radius
A: pronation

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7
Q

Supinator Muscle

A

O: Ulna
I: Lateral Radius
A: Supination

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8
Q

What kind of joint is the elbow?

A

ginglymus

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9
Q

What are the 2 elbow joints?

A
  1. Humeroulnar Joint (distal humerus and proximal ulna)
  2. Radiohumeral Joint (distal humerus and proximal radius)
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10
Q

As the elbow flexes 20 degrees or more, what happens?

A

its bony stability is unlocked allowing for more side-to-side laxity

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11
Q

T/F: Collateral ligaments prevent/reduce frontal plane motion

A

True

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12
Q

Elbow flexion

A

145 degrees

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13
Q

Elbow extension

A

0 degrees

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14
Q

Elbow hyper extends how many degrees?

A

10 degrees

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15
Q

Radioulnar joint supination and pronation

A

70-90 degrees

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16
Q

Carrying angle

A

when a person is in anatomical position, the normal carrying angle places stress on the medial side of the elbow

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17
Q

Ginglymus joints

A

Sagittal plane; frontal axis

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18
Q

Flexor Carpi Radialis Muscle

A

O: Medial epicondyle of humerus
I: 2nd and 3rd metacarpals
A: Flexion and abduction

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19
Q

Flexor Carpi Ulnaris Muscle

A

O: Medial epicondyle
I: pisiform, hamate, and 5th metacarpal
A: Flexion and adduction

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20
Q

Extensor Carpi Radialis Brevis Muscle

A

O: Lateral Epicondyle
I: Base of 3rd metacarpal
A: Extension and abduction

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21
Q

Extensor Carpi Radialis Longus Muscle

A

O: lateral epicondyle
I: 2nd metacarpal
A: extension and abduction

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22
Q

Flexor digitorum superficialize muscle

A

O: medial Epicondyle
I: middle phalanx
A: Finger flexion
(Neutralizer keeps wrist from flexion when flexing fingers)

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23
Q

Flexor Digitorum profundus muscle

A

O: Meidal Ulna
I: Distal Phalanx
A: finger flexion

24
Q

Extensor Digitorum muscle

A

O: lateral epicondyle
I: middle and distal phalanx
A: finger extension

25
Q

Radioulanr Joint

A

Annular ligament helps keeps the head of the radius against the ulna (indirectly stabilizes the radiohumral joint)

26
Q

What kind of joint is the Radioulnar joint?

A

Trochoid joint; rotation = pronation & supination

27
Q

When CANT the radioulnar joint function?

A

When the elbow is extended; become internal and external rotation of the shoulder

28
Q

What holds the interosseous membrane hold together?

A

the radius and ulna

29
Q

Radial collateral ligament =

A

Lateral collateral ligament

30
Q

Ulnar collateral ligament =

A

Medial collateral ligament

31
Q

What muscle only affects the thumb

A

Pollicis muscle

32
Q

How many bones are there in the wrist and hand

A

29

33
Q

How many carpal bones are there

A

8 in 2 rows

34
Q

How many phalanxes are there

A

14

35
Q

What are the names of the phalanxes

A

distal, middle, and proximal

36
Q

What carpal bones are in the proximal row

A

Scaphoid, lunate, triquetrum, pisiform

37
Q

What carpal bones are in the distal row

A

Trapezium, trapezoid, capitate, hamate

38
Q

What proximal bone has very poor blood supply?

A

scaphoid bone

39
Q

Which proximal bone is most often dislocateed

A

Lunate bone

40
Q

What joint is only in the thumb and is a seller joint

A

carpometacarpal joint and there’s only 2 in the body

41
Q

What is NOT located in the anatomical snuff box

A

seller joint

42
Q

What bones help form an important arch in the wrist?

A

The distal bones; T.T.C.H

43
Q

Where is the wrist joint in between?

A

the distal radius & ulna AND the proximal row of carpals

44
Q

Wrist flexion and extension

A

65-90 degrees

45
Q

Wrist adduction

A

25-40 degrees

46
Q

wrist abduction

A

15-25 degrees

47
Q

What are the names of the three finger joints

A
  1. Metacarpophalangeal joints
  2. Proximal interphalangeal joints
  3. Distal Interphalangeal joints
48
Q

What type of joint are interphalangel joints

A

ginglymus joints which have carpometacarpal joints on both sides

49
Q

Most of the wrist flexors are held together by…

A

Retinaculum

50
Q

Thick pad of muscles under the thumb are called what

A

Thenar muscles; most are only pollicis muscles- thumb specific

51
Q

Muscles on the opposite side of the Thenar muscles are called what

A

Hypothenar muscles

52
Q

Where is the triangular fibrocartilage located

A

medial side of the ulna

53
Q

what does fibrocartilage do?

A

shock absorption and stability

54
Q

What is opposition?

A

movement of the thumb towards the other 4 digits

55
Q

What joint makes opposition possible

A

the sellar joint

56
Q

Where does the carpal tunnel meet

A

at the wrist flexors and median nerve

57
Q

Extensor Carpi Ulnaris Muscle

A

O: lateral epicondyle
I: base of 5th metacarpal
A: Extension & adduction

Kinesiology (9 decks)

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