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Bancroft: KINES > Test #2: Muscle Actions of the Upper Extremity & Axial Skeleton > Flashcards

Test #2: Muscle Actions of the Upper Extremity & Axial Skeleton Flashcards

1
Q

How many joints in the upper extremity and axial skeleton?

A

6 joints

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2
Q

What are the 6 joints of the upper extremity and axial skeleton?

A
  1. Wrist; 2. Elbow; 3. Shoulder; 4. Scapula; 5. Neck; and 6. Waist
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3
Q

How movements possible at the wrist joint?

A

4 movements

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4
Q

What are the 4 movements possible at the wrist joint?

A
  1. Flexion; 2. Extension; 3. Ulnar Deviation; and 4. Radial Deviation
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5
Q

What body part is moved at the wrist joint?

A

The hand

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6
Q

How many muscles create flexion of the hand at the wrist?

A

1 muscle group

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7
Q

What muscle group creates flexion of the hand at the wrist?

A
  1. The Flexor Group
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8
Q

Flexor Group

A

GL: Anterior, Forearm

O: Medial epicondyle of the humerus (Common Flexor Tendon)

I: Distal end of phalanges

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9
Q

How many actions does the flexor group perform?

A

2 actions

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10
Q

What 2 actions does the flexor group perform?

A
  1. Flexion of the hand at the wrist

2. Flexion of the phalanges

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11
Q

How do you palpate the flexor group?

A

Trace from medial epicondyle down the anterior forearm to the distal end of the fingers.

TG pgs 141-142, 149, 152

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12
Q

How many muscles create extension of the hand at the wrist?

A

1 muscle group

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13
Q

What muscle group creates extension of the hand at the wrist?

A
  1. The Extensor Group
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14
Q

Extensor Group

A

GL: Posterior, Forearm

O: Lateral epicondyle of humerus (Common Extensor Tendon)

I: Distal end of phalanges

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15
Q

How many actions does the extensor group perform?

A

2 actions

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16
Q

What 2 actions does the extensor group perform?

A
  1. Extension of the hand at the wrist

2. Extension of the phalanges

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17
Q

How do you palpate the extensor group?

A

Trace from the lateral epicondyle down the posterior forearm to the distal end of the fingers.

TG pgs 135-136, 139, 151

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18
Q

How many muscles create ulnar deviation of the hand at the wrist?

A

2 muscle groups

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19
Q

What 2 muscle groups create ulnar deviation of the hand at the wrist?

A

The ulnar side flexors and extensors

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20
Q

How do you palpate the ulnar side flexors and extensors?

A

Grab and trace along the ulnar side posterior and anterior forearm from the elbow to the distal end of the fingers.

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21
Q

How many muscles create radial deviation of the hand at the wrist?

A

2 muscle groups

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22
Q

What 2 muscle groups create radial deviation of the hand at the wrist?

A

The radius side flexors and extensors

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23
Q

How do you palpate the radius side flexors and extensors?

A

Grab and trace along the radius side posterior and anterior forearm from the elbow to the distal end of the fingers.

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24
Q

How many movements possible at the elbow joint?

A

4 movements

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25
Q

What are the 4 movements possible at the elbow joint?

A
  1. Flexion; 2. Extension; 3. Pronation; and 4. Supination
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26
Q

What body part is moved at the elbow joint?

A

The forearm

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27
Q

How many muscles create flexion of the forearm at the elbow?

A

4 muscles

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28
Q

What 4 muscles create flexion of the forearm at the elbow?

A
  1. Biceps Brachii; 2. Brachioradialis; 3. Brachialis; and 4. Pronator Teres
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29
Q

Biceps Brachii*

A

GL: Anterior, Arm, Superficial

O: 1) Short Head: Coracoid process of the Scapula; 2) Long Head: Supraglenoid tubercle of the Scapula

I: Radial tuberosity and Aponeurosis of the Biceps Brachii to proximal Ulna

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30
Q

How many actions does Biceps Brachii perform?

A

3 actions

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31
Q

What 3 actions does Biceps Brachii perform?

A

1-2. Flexion and supination of the forearm at the elbow

3. Flexion of the arm at the shoulder (short head)

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32
Q

How do you palpate Biceps Brachii?

A

Trace from the coracoid process and acromion down the anterior arm to just distal of the elbow crease on the radius side.

TG pg 95

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33
Q

Brachioradialis*

A

GL: Anterior/Lateral, Forearm, Superficial

O: Lateral supracondylar ridge of the Humerus

I: Styloid process of the Radius

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34
Q

How many actions does Brachioradialis perform?

A

1 action

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35
Q

What action does does Brachioradialis perform?

A
  1. Flexion of the forearm at the elbow
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36
Q

How do you palpate Brachioradialis?

A

Trace just distal of the deltoid tuberosity, down over the lateral elbow to the radial wrist bone.

TG pg 133

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37
Q

Brachialis*

A

GL: Anterior, Arm, Deep

O: Distal 1/2 of the anterior surface of the Humerus

I: Coronoid process and tuberosity of the Ulna

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38
Q

How many actions does Brachialis perform?

A

1 action

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39
Q

What action does does Brachialis perform?

A
  1. Flexion of the forearm at the elbow
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40
Q

How do you palpate Brachialis?

A

Cover the anterior distal 1/2 of the humerus with a hand; fingers pointing on ulnar side.

TG pg 132

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41
Q

Pronator Teres*

A

GL: Anterior, Forearm, Superficial

O: Medial epicondyle of the Humerus (common flexor tendon)

I: Middle of the Radius

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42
Q

How many actions does Pronator Teres perform?

A

2 actions

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43
Q

What 2 actions does Pronator Teres perform?

A

1-2. Pronation and flexion of the forearm at the elbow.

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44
Q

How do you palpate Pronator Teres?

A

In the handshake position, use left hand with fingers at medial epicondyle on an angle so that palm lands on the middle of the radius.

TG pg 146

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45
Q

How many muscles create extension of the forearm at the elbow?

A

1 muscle

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46
Q

What muscle creates extension of the forearm at the elbow?

A
  1. Triceps Brachii
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47
Q

Triceps Brachii*

A

GL: Posterior, Arm, Superficial

O: 1) Long head: Infraglenoid tubercle of the Scapula; 2) Lateral head: Posterior, proximal half of the Humerus; 3) Medial head: Posterior, distal half of the Humerus

I: Olecranon process of the Ulna

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48
Q

How many actions does Triceps Brachii perform?

A

2 actions

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49
Q

What 2 actions does Triceps Brachii perform?

A
  1. Extension of the forearm at the elbow

2. Extension of the arm at the shoulder (long head)

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50
Q

How do you palpate Triceps Brachii?

A

Trace from the most superior medial border of the scapula down the posterior arm to the elbow.

TG pg 97

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51
Q

How many muscles create pronation of the forearm at the elbow?

A

1 muscle

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52
Q

What muscle creates pronation of the forearm at the elbow?

A
  1. Pronator Teres
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53
Q

How many muscles create supination of the forearm at the elbow?

A

2 muscles

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54
Q

What 2 muscles create supination of the forearm at the elbow?

A
  1. Supinator; and 2. Biceps Brachii
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55
Q

Supinator

A

GL: POSTERIOR, LATERAL, FOREARM, DEEP

O: Lateral epicondyle of the Humerus and posterior border of the Ulna

I: Proximal 1/3 of the Radius

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56
Q

How many actions does Supinator perform?

A

1 action

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57
Q

What action does Supinator perform?

A
  1. Supination of the forearm at the elbow
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58
Q

How do you palpate Supinator?

A

Trace from the lateral epicondyle and elbow laterally to the anterior proximal radius.

TG pg 147

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59
Q

How many movements possible at the shoulder joint?

A

6 movements

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60
Q

What are the 6 movements possible at the shoulder joint?

A
  1. Flexion; 2. Extension; 3. ABduction; 4. ADduction; 5. Medial Rotation; and 6. Lateral Rotation
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61
Q

What body part is moved at the shoulder joint?

A

The arm

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62
Q

How many muscles create flexion of the arm at the shoulder?

A

3 muscles

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63
Q

What 3 muscles create flexion of the arm at the shoulder?

A
  1. Pectoralis Major; 2. Anterior Deltoid; and 3. Biceps Brachii (short head)
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64
Q

Pectoralis Major*

A

GL: Anterior, Chest, Superficial

O: 1) Clavicular head: Medial 1/2 of the clavicle; 2) Sternocostal head: Sternum, superior 6 costal cartilages

I: Lateral lip of bicipital (intertubercular) groove of humerus

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65
Q

How many actions does Pectoralis Major perform?

A

3 actions

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66
Q

What 3 actions does Pectoralis Major perform?

A
  1. Flexion of the arm at the shoulder (clavicular head)

2-3. ADduction and medial rotation of the arm at the shoulder (sternal head)

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67
Q

How do you palpate Pectoralis Major?

A

Trace the 2 fiber directions: 1) from medial 1/2 of clavicle and 2) from the sternum; both to the lateral lip of the bicipital groove.

TG pg 89

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68
Q

Deltoid*

A

GL: Lateral, Shoulder, Superficial

O: 1) Anterior: Lateral 1/3 of the Clavicle; 2) Middle: Acromion; 3) Posterior: Spine of the Scapula

I: Deltoid tuberosity of the Humerus

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69
Q

How many actions does Deltoid perform?

A

5 actions

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70
Q

What 5 actions does Deltoid perform?

A

1-2. Flexion and medial rotation of the arm at the shoulder (anterior deltoid)
3. ABduction of the arm at the shoulder (mid deltoid)
4-5. Extension and lateral rotation of the arm at the shoulder (posterior deltoid)

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71
Q

How do you palpate Deltoid?

A

Trace the outline of the entire deltoid with 2 fingers (posterior spine of scapula/anterior lateral 1/3 of clavicle) laterally to the deltoid tuberosity.

TG pg 67

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72
Q

How many muscles create extension of the arm at the shoulder?

A

4 muscles

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73
Q

What 4 muscles create extension of the arm at the shoulder?

A
  1. Latissimus Dorsi; 2. Teres Major; 3. Posterior Deltoid; and 4. Triceps Brachii
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74
Q

Latissimus Dorsi*

A

GL: Posterior, Back, Superficial

O: Spinous processes of T7-T12, thoracolumbar fascia, iliac crest and inferior 3 or 4 ribs

I: Floor of the bicipital (intertubercular) groove of the humerus

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75
Q

How many actions does Latissimus Dorsi perform?

A

3 actions

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76
Q

What 3 actions does Latissimus Dorsi perform?

A

1-3. Extension, medial rotation and aDduction of the arm at the shoulder

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77
Q

How do you palpate Latissimus Dorsi?

A

Use two hands to cover the muscle belly on the thoracolumbar region and trace up to the axilla anteriorly to the bicipital groove.

TG pg 71

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78
Q

Teres Major*

A

GL: Posterior, Axilla, Superficial

O: Inferior angle (lateral side of) and lower 1/2 of the lateral border of the Scapula

I: Medial lip of the bicipital groove of the Humerus

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79
Q

How many actions does Teres Major perform?

A

3 actions

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80
Q

What 3 actions does Teres Major perform?

A

1-3. Extension, medial rotation and aDduction of the arm at the shoulder

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81
Q

How do you palpate Teres Major?

A

Trace from the inferior lateral border of the scapula up to the axilla anteriorly to the bicipital groove.

TG pg 71

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82
Q

How many muscles create the posterior axillary fold?

A

2 muscles

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83
Q

What 2 muscles create the posterior axillary fold?

A
  1. Latissimus Dorsi; and 2. Teres Major
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84
Q

How many muscles create aBduction of the arm at the shoulder?

85
Q

What 2 muscles create aBduction of the arm at the shoulder?

A
  1. Supraspinatus; and 2. Mid Deltoid
86
Q

Supraspinatus*

A

General Location: Posterior, Shoulder, Deep

O: Supraspinous fossa of the Scapula

I: Superior (anterior) facet of the greater tubercle of the Humerus

87
Q

How many actions does Supraspinatus perform?

88
Q

What action does Supraspinatus perform?

A

ABduction of the arm at the shoulder

89
Q

How do you palpate Supraspinatus?

A

Trace from the supraspinous fossa laterally (under the acromion) to the anterior facet of the greater tubercle.

TG pg 74

90
Q

How many muscles create aDduction of the arm at the shoulder?

91
Q

What 3 muscles create aDduction of the arm at the shoulder?

A
  1. Pectoralis Major; 2. Latissimus Dorsi; and 3. Teres Major
92
Q

How many muscles create medial rotation of the arm at the shoulder?

93
Q

What 5 muscles create medial rotation of the arm at the shoulder?

A
  1. Subscapularis; 2. Pectoralis Major; 3. Latissimus Dorsi; 4. Teres Major; and 5. Anterior Deltoid
94
Q

Subscapularis*

A

GL: Anterior, Scapula, Deep

O: Subscapular fossa of the Scapula

I: Lesser tubercle of the Humerus

95
Q

How many actions does Subscapularis perform?

96
Q

What action does Subscapularis perform?

A
  1. Medial rotation of the arm at the shoulder
97
Q

How do you palpate Subscapularis?

A

No palpation

TG pg 74

98
Q

How many muscles create the anterior axillary fold?

99
Q

What muscle creates the anterior axillary fold?

A
  1. Pectoralis Major
100
Q

How many muscles create lateral rotation of the arm at the shoulder?

101
Q

What 3 muscles create lateral rotation of the arm at the shoulder?

A
  1. Infraspinatus; 2. Teres Minor; and 3. Posterior Deltoid
102
Q

Infraspinatus*

A

GL: Posterior, Shoulder, Superficial

O: Infraspinous fossa of the Scapula

I: Middel facet of the greater tubercle of the Humerus

103
Q

How many actions does Infraspinatus perform?

104
Q

What action does Infraspinatus perform?

A
  1. Lateral rotation of the arm at the shoulder
105
Q

How do you palpate Infraspinatus?

A

Trace from the infraspinous fossa laterally to the middle facet of the greater tubercle.

TG pg 74

106
Q

Teres Minor*

A

GL: Posterior, Axilla, Superficial

O: Superior 1/2 of the Lateral border of the Scapula

I: Inferior (posterior) facet of the greater tubercle of the Humerus

107
Q

How many actions does Teres Minor perform?

108
Q

What action does Teres Minor perform?

A
  1. Lateral rotation of the arm at the shoulder
109
Q

How do you palpate Teres Minor?

A

Trace from the superior lateral border of the scapula in the axilla laterally to the posterior facet of the greater tubercle.

TG pg 74

110
Q

How movements possible at the scapula?

A

4 movements

111
Q

What are the 4 movements possible at the scapula?

A
  1. Elevation; 2. Depression; 3. ABduction (protraction); and 4. ADduction (retraction)
112
Q

How many muscles create elevation of the scapula?

113
Q

What 2 muscles create elevation of the scapula?

A
  1. Upper Trapezius; and 2. Levator Scapulae
114
Q

Trapezius*

A

GL: Posterior, Neck/Back, Superficial

O: Superior Nuchal Line, EOP, Ligament of Nuchae and spinous processes of C7-T12

I: Lateral 1/3 of the clavicle, acromion, and spine of the scapula

115
Q

How many actions does Trapezius perform?

116
Q

What 4 actions does Trapezius perform?

A

1-2. Elevation of the scapula and extension of the head at the next (upper trapezius)

  1. ADduction (retraction) of the scapula (middle trapezius)
  2. Depression of the scapula (lower trapezius)
117
Q

How do you palpate Trapezius?

A

Trace from the EOP and Superior Nuchal Line and across the top of the shoulder to the acromion”", as well as down to T12 and laterally up to the spine of the scapula “/”.

TG pg 68

118
Q

Levator Scapulae*

A

GL: Posterior, Neck/Shoulder, Intermediate

O: Transverse processes of C1-C4

I: Medial border (superior part) and superior angle of the scapula

119
Q

How many actions does Levator Scapulae perform?

120
Q

What action does Levator Scapulae perform?

A
  1. Elevation of the scapula
121
Q

How do you palpate Levator Scapulae?

A

Trace the transverse processes of C1-C4 with 4 fingers down to superior medial border of the scapula (superior angle to the root of the the spine)

TG pg 83

122
Q

How many muscles create depression of the scapula?

123
Q

What muscle creates depression of the scapula?

A
  1. Lower Trapezius
124
Q

How many muscles create aBduction (protraction) of the scapula?

125
Q

What muscle creates aBduction (protraction) of the scapula?

A
  1. Serratus Anterior
126
Q

Serratus Anterior

A

GL: Lateral, Chest wall, Superficial

O: Lateral parts of ribs 1-8

I: Medial border of the scapula

127
Q

How many actions does Serratus Anterior perform?

128
Q

What action does Serratus Anterior perform?

A
  1. ABduction (protraction) of the scapula?
129
Q

How do you palpate Serratus Anterior?

A

No palpation

TG pg 82

130
Q

How many muscles create aDduction (retraction) of the scapula?

131
Q

What 3 muscles create aDduction (retraction) of the scapula?

A
  1. Rhomboid Major; 2. Rhomboid Minor and 3. Mid Trapezius
132
Q

Rhomboid Major*

A

GL: Posterior, Midback, Intermediate

O: Spinous processes of T2-T5

I: Medial border of the scapula from spine to inferior angle

133
Q

How many actions does Rhomboid Major perform?

134
Q

What action does Rhomboid Major perform?

A
  1. ADduction (retraction) of the scapula
135
Q

How do you palpate Rhomboid Major?

A

Trace a few fingers width just under C7/T1 on an angle to the inferior medial border of the scapula (root of the spine to the inferior angle).

TG pg 82

136
Q

Rhomboid Minor*

A

GL: Posterior, Midback, Intermediate

O: Ligament of Nuchae and Spinous processes of C7 and T1

I: Root of the spine of the scapula

137
Q

How many actions does Rhomboid Minor perform?

138
Q

What action does Rhomboid Minor perform?

A
  1. ADduction (retraction) of the scapula
139
Q

How do you palpate Rhomboid Minor?

A

Trace 2 fingers width from C7/T1 on an angle to the root of the spine of the scapula.

TG pg 82

140
Q

How many movements possible at the neck?

A

4 movements

141
Q

What are the 4 movements possible at the neck joint?

A
  1. Flexion; 2. Extension; 3. Lateral Flexion; and 4. Rotation
142
Q

What body part is moved at the neck joint?

143
Q

How is flexion of the head at the neck and torso at the waist accomplished?

A

Bilateral contraction

144
Q

How many muscles create flexion of the head at the neck?

145
Q

What muscle creates flexion of the head at the neck?

A
  1. Sternocleidomastoid (bilaterally)
146
Q

Sternocleidomastoid*

A

GL: Anterior/Lateral, Neck, Superficial

O: 1) Sternal head: Manubrium; 2) Clavicular head: Medial 1/3 of the clavicle

I: Mastoid process, Superior Nuchal Line of the occipital bone

147
Q

How many actions does Sternocleidomastoid perform?

148
Q

What 3 actions does Sternocleidomastoid perform?

A
  1. Flexion of the head at the neck (bilaterally)

2-3. Lateral flexion and rotation (to the opposite side) of the head at the neck (both unilaterally)

149
Q

How do you palpate Sternocleidomastoid?

A

No palpation

TG pg 244

150
Q

How is extension of the head at the neck and torso at the waist accomplished?

A

Bilateral contraction

151
Q

How many muscles create extension of the head at the neck?

152
Q

What 3 muscles create extension of the head at the neck?

A
  1. Upper Trapezius; 2. Splenius Capitis; and 3. Erector Spinae (all bilaterally)
153
Q

Splenius Capitis*

A

GL: Posterior, Neck, Intermediate

O: Ligament of Nuchae, Spinous processes of C7-T3

I: Mastoid process and Superior Nuchal Line of the occipital bone

154
Q

How many actions does Splenius Capitis perform?

155
Q

What 3 actions does Splenius Capitis perform?

A
  1. Flexion of the head at the neck (bilaterally)

2-3. Lateral flexion and rotation (to the opposite side) of the head at the neck (both unilaterally)

156
Q

How do you palpate Splenius Capitis?

A

Form a “V” with the hands; fingers on the mastoid processes and Superior Nuchal Lines and palms/wrists on C7- T3.

TG pg 203

157
Q

Erector Spinae Group (Erectors)

A

GL: POSTERIOR, BACK, DEEP

O: 1) Iliocostalis: Bodies of ribs 12-3; 2) Longissimus: Transverse processes of L5-C4; and 3) Spinalis: Spinous processes of upper lumbar and lower thoracic and spinous process of C7

I: 1) Iliocostalis: All ribs, transverse processes of C7-C4; 2) Longissimus: Transverse processes of all vertebrae from T12-C2, ribs and mastoid process; and 3) Spinalis: Spinous processes of upper thoracic and cervical vertebrae

158
Q

How many actions does the Erector Spinae Group perform?

159
Q

What 6 actions does the Erector Spinae Group perform?

A

1-2. Extension of the head at the neck and torso at the waist (bilaterally)
3. Maintenance of upright posture (bilaterally)
4-5. Lateral flexion of the head at the neck and torso at the waist (unilaterally)
6. Rotation of the torso at the waist (unilaterally)

160
Q

How do you palpate Erector Spinae Group?

A

Trace from the mastoid process posteriorly down to the sacrum.

TG pg 197-198

161
Q

How is lateral flexion of the head at the neck and torso at the waist accomplished?

A

Unilateral contraction

162
Q

How many muscles create lateral flexion of the head at the neck?

163
Q

What 4 muscles create lateral flexion of the head at the neck?

A
  1. Sternocleidomastoid; 2. Scalenes; 3. Splenius Capitis; and 4. Erector Spinae (all unilaterally)
164
Q

Scalenes

A

GL: LATERAL, NECK, SUPERFICIAL

O: 1) Anterior: Transverse processes of C3-C6; 2) Middle: Transverse processes of C2-C7; and 3) Posterior: Transverse processes of C4-C6

I: 1) ANTERIOR: 1ST RIB; 2) MIDDLE: 1ST RIB; AND 3) POSTERIOR: 2ND RIB

165
Q

How many actions do the Scalenes perform?

166
Q

What 2 actions do the Scalenes perform?

A
  1. Elevation of the ribs (bilaterally)

2. Lateral flexion of the head at the neck (unilaterally)

167
Q

How do you palpate the Scalenes?

A

No palpation

TG pg 247

168
Q

How is rotation of the head at the neck and torso at the waist accomplished?

A

Unilateral contraction

169
Q

How many muscles create rotation of the head at the neck?

170
Q

What 2 muscles create rotation of the head at the neck?

A
  1. Sternocleidomastoid; and 2. Splenius Capitis (both unilaterally)
171
Q

How many movements possible at the waist?

A

4 movements

172
Q

What are the 4 movements possible at the waist joint?

A
  1. Flexion; 2. Extension; 3. Lateral Flexion; and 4. Rotation
173
Q

What body part is moved at the waist joint?

A

The torso or trunk

174
Q

How many muscles create flexion of the torso at the waist?

175
Q

What 4 muscles create flexion of the torso at the waist?

A
  1. Rectus Abdominis; 2. Internal Obliques; 3. External Obliques; and 4. Psoas Major (all bilaterally)
176
Q

Rectus Abdominis*

A

GL: Anterior, Abdominal, Superficial

O: Xiphoid process and costal cartilages of ribs 5-7

I: Pubic symphysis and pubic crest of the pubis bone

177
Q

How many actions does Rectus Abdominis perform?

178
Q

What 2 actions does Rectus Abdominis perform?

A
  1. Compression of the abdominal contents

2. Flexion of the torso at the waist

179
Q

How do you palpate Rectus Abdominis?

A

No palpation.

TG pg 210

180
Q

Transverse Abdominis

A

GL: ANTERIOR, ABDOMINAL, DEEP

O: Interior surfaces of 7th-12th costal cartilages, thoracolumbar fascia, iliac crest and 1/3 of the inguinal ligament

I: Linea alba via the aponeurosis of internal obliques, pubic crest and conjoint tendon

181
Q

How many actions does the Transverse Abdominis perform?

182
Q

What action does Transverse Abdominis perform?

A
  1. Compression of the abdominal contents.
183
Q

How do you palpate Transverse Abdominis?

A

No palpation.

TG pg 211

184
Q

Internal Obliques

A

GL: ANTERIOR, ABDOMINAL, INTERMEDIATE

O: Thoracolumbar fascia, anterior 2/3 of the iliac crest and lateral 1/2 of the inguinal ligament

I: Ribs 10-12, Linea Alba and Pubis

185
Q

How many actions do the Internal Obliques perform?

186
Q

What 4 actions do the Internal Obliques perform?

A
  1. Compression of the abdominal contents
  2. Flexion of the torso at the waist (bilaterally)
    3-4. Lateral flexion and rotation of the torso at the waist (unilaterally)
187
Q

How do you palpate the Internal Obliques?

A

No palpation.

TG pg 211

188
Q

External Obliques

A

GL: ANTERIOR, ABDOMINAL, SUPERFICIAL

O: Exterior surfaces of ribs 5-12

I: Linea alba and iliac crest of the ilium

189
Q

How many actions do the External Obliques perform?

190
Q

What 4 actions do the External Obliques perform?

A
  1. Compression of the abdominal contents
  2. Flexion of the torso at the waist (bilaterally)
    3-4. Lateral flexion and rotation of the torso at the waist (unilaterally)
191
Q

How do you palpate the External Obliques?

A

No palpation.

TG pg 211

192
Q

Psoas Major*

A

GL: Abdominal/Pelvic Cavity, Deep

O: Bodies, discs and transverse processes of the lumbar vertebrae

I: Lesser trochanter of the Femur

193
Q

How many actions does Psoas Major perform?

194
Q

What 3 actions does Psoas Major perform?

A
  1. Flexion of the torso at the waist (bilaterally)

2-3. Flexion and lateral rotation of the thigh at the hip

195
Q

How do you palpate Psoas Major?

A

No palpation.

TG pg 332

196
Q

How many muscles create extension of the torso at the waist?

197
Q

What 2 muscles create extension of the torso at the waist?

A
  1. Erector Spinae; and 2. Quadratus Lumborum (both bilaterally)
198
Q

Quadratus Lumborum*

A

GL: Low, Back, Deep

O: Iliac Crest of the Ilium

I: 12th rib and transverse processes of the lumbar vertebrae

199
Q

How many actions does Quadratus Lumborum perform?

200
Q

What 2 actions does Quadratus Lumborum perform?

A
  1. Extension of the torso at the waist (bilaterally)

2. Lateral flexion of the torso at the waist (unilaterally)

201
Q

How do you palpate Quadratus Lumborum?

A

Laterally flex side to side to locate the 12th rib, then trace down from the lumbar vertebrae at a slight angle to posterior iliac crest.

202
Q

How many muscles create lateral flexion of the torso at the waist?

203
Q

What 5 muscles create lateral flexion of the torso at the waist?

A
  1. Rectus Abdominis; 2. Internal Obliques; 3. External Obliques; 4. Erector Spinae; and 5. Quadratus Lumborum (all unilaterally)
204
Q

How many muscles create rotation of the torso at the waist?

205
Q

What 4 muscles create rotation of the torso at the waist?

A
  1. Rectus Abdominis; 2. Internal Obliques; 3. External Obliques; and 4. Erector Spinae (all unilaterally)
206
Q

What fiber direction do the Internal Obliques run?

207
Q

What fiber direction do the External Obliques run?

208
Q

What fiber direction does the Transverse Abdominis run?

209
Q

What fiber direction does Rectus Abdominis run?

Bancroft: KINES (3 decks)

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