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Orthotic and Prosthetic Board Prep > Anatomy Action/Insertion > Flashcards

Anatomy Action/Insertion Flashcards

1
Q

Sartorius Action

A

A: Flex hip joint
Laterally rotate the femur
Flex knee

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2
Q

Sartorius Innervation

A

Femoral nerve (L2, L3, L4)

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3
Q

Gracilis, Adductor Brevis, Pectineus Action

A

Flexes the knee
Adducts the thigh
Helps to medially rotate the tibia on the femur

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4
Q

Gracilis, Adductor Brevis, Pectineus Innervation

A

Anterior division of obturator nerve (L2,L3)

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5
Q

Adductor Longus Action

A

Adducts and flexes the thigh
Helps to laterally rotate the hip joint

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6
Q

Adductor Longus Innervation

A

Anterior Division of obturator nerve (L2, L3, L4)

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7
Q

Adductor Magnus Action

A

Powerful thigh adductor
Flex the thigh (superior horizontal fibers)
Extend the thigh (vertical fibers)

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8
Q

Adductor Magnus Innervation

A

Posterior division of the obturator nerve (mostly)
Hamstring portion is innervated by the tibial nerve
L2, L3, L4

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9
Q

Psoas Action

A

Flex the torso and thigh

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10
Q

Psoas Innervation

A

Direct fibers of L1, L2, and L3 of the lumbar plexus

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11
Q

Vastus Lateralis, Medialis, and Intermedialis action

A

Extends the knee

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12
Q

Vastus Lateralis, Medialis, and Intermedialis Innervation

A

Muscular branches of femoral nerve (L2, L3, L4)

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13
Q

Rectus Femoris action

A

Extends the knee and helps to flex the thigh

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14
Q

Rectus Femoris Innervation

A

Muscular branches of femoral nerve (L2, L3, L4)

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15
Q

Biceps Femoris Long Head action

A

Flexes the knee
Laterally rotates the tibia
Extends the hip

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16
Q

Biceps Femoris Long Head Innervation

A

Tibial nerve (L5, S1, S2)

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17
Q

Biceps Femoris Short Head action

A

Flexes the knee
Laterally rotates the tibia

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18
Q

Biceps Femoris Short Head Innervation

A

Common peroneal nerve
L5, S1, S2

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19
Q

Gastrocnemius and Soleus Action

A

Plantar flexor (powerful)

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20
Q

Gastrocnemius and Soleus Innervation

A

Tibial nerve
S1, S2

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21
Q

Tibialis Anterior Action

A

Dorsiflexion and invertor

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22
Q

Tibialis Anterior Innervation

A

Deep peroneal nerve
L4, L5, S1

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23
Q

Extensor Hallucis Longus Action

A

Extends great toe and Dorsiflexion

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24
Q

Extensor Hallucis Longus Innervation

A

Deep peroneal nerve
L4, L5, S1

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25
Flexor hallucis longus Flexor digitorum longus Tibialis Posterior Action
Flexes Great toe Helps to supinate the ankle Very weak plantarflexor
26
Flexor hallucis longus Flexor digitorum longus Tibialis Posterior Innervation
Tibial nerve S2, S3
27
Fibularis (peroneus) Longus/Brevis muscle Action
Talocrural joint: Foot plantar flexion; Subtalar joint: Foot eversion; Supports longitudinal and transverse arches of foot
28
Fibularis (peroneus) Longus/Brevis muscle Innervation
Superficial fibular nerve (L5, S1)
29
Levator Scapulae Action
Elevates scapula and tilts the glenoid cavity inferiorly by rotating scapula
30
Levator Scapulae Innervation
Dorsal scapula (C5) and cervical nerve (C3, C4)
31
Latissimus Dorsi Action
Extends, Adducts, and medially rotates humerus
32
Latissimus Dorsi Innervation
Thoracodorsal nerve C6, C7, C8
33
Infraspinatus Action
Laterally rotate arm Helps hold humeral head in glenoid cavity of scapula
34
Infraspinatus Innervation
Suprascapular nerve C5, C6
35
Pectoralis Major Action
Adducts and medially rotates humerus Draws scapula anteriorly and inferiorly Alone: clavicular head flexes humerus and sternocostal head extends it
36
Pectoralis Major Innervation
Lateral and medial pectoral nerves -Clavicular head C5 C6 -Sternocostal head C5, C6, C7, C8, T1
37
Pectoralis Minor Action
Stabilizes scapula by drawing it inferiorly and anteriorly against thoracic wall
38
Pectoralis Minor innervation
Medial pectoral nerves -Clavicular head C8, T1
39
Rhomboid Major and Minor Action
Retract scapula and rotate it to depress glenoid cavity Fix scapula to thoracic wall
40
Rhomboid Major and Minor Innervation
Dorsal scapular nerve C4, C5
41
Serratus Anterior Action
Draws scapula forward and upward Abducts scapula and rotates it Stabilizes vertebral border of scapula
42
Serratus Anterior Innervation
Long thoracic nerve C5, C6, C7
43
Subscapularis Action
Medially rotates arm and adducts it Helps to hold humeral head in glenoid cavity of scapula
44
Subscapularis Innervation
Upper and lower subscapular nerves C5, C6, C7
45
Supraspinatus Action
Initiates and assists deltoid in abduction of arm and acts with other rotator cuff muscles
46
Supraspinatus Innervation
Suprascapular nerve C4, C5, C6
47
Teres Major Action
Adducts and medially rotates arm
48
Teres Major Innervation
Lower subscapular nerve C6, C7
49
Teres Minor Action
Laterally rotate arm Helps to hold humeral head in glenoid cavity of scapula
50
Teres Minor Innervation
Axillary nerve C5, C6
51
Trapezius Action
Elevates, retracts, and rotates scapula
52
Abductor Digiti Minimi Action
Abducts 5th finger
53
Abductor Digiti Minimi Innervation
Deep branch of ulnar nerve C8, T1
54
Abductor Pollicis Brevis Action
Abducts thumb and helps oppose thumb
55
Abductor Pollicis Brevis Innervation
Recurrent branch of median nerve C8, T1
56
Abductor Pollicis Longus Action
Abducts thumb and extends it at carpometacarpal joint
57
Abductor Pollicis Longus Innervation
Posterior interosseous nerve and deep branch of radial nerve C7, C8
58
Adductor Pollicis Action
Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially
59
Adductor Pollicis Innervation
Deep branch of ulnar nerve C8, T1
60
Anconeus Action
Assists triceps in extending forearm Stabilizes elbow joint Abducts ulna during pronation
61
Anconeus Innervation
Radial nerve C7, C8, T1
62
Biceps Brachii Action
Supinates Forearm When supine, flexes forearm
63
Biceps Brachii Innervation
Musculocutaneous nerve C5, C6
64
Brachialis Action
Major flexor of forearm (all positions)
65
Brachialis Innervation
Musculocutaneous nerve C5, C6
66
Brachioradialis Action
Flexed forearm
67
Brachioradialis Innervation
Radial nerve C5, C6, C7
68
Coracobrachialis Action
Helps to flex and adduct arm
69
Coracobrachialis Innervation
Musculocutaneous nerve C5, C6, C7
70
Deltoid Action
Anterior: Flexes and medially rotates arm Middle: Abducts arm Posterior: Extends and laterally rotates arm
71
Deltoid Innervation
Axillary nerve C5, C6
72
Radial nerve: Majority innervation
Forearm Extensors: Majority innervation C6, C7, C8
73
Median Nerve
Flexor carpi radialis, palmaris longus, pronator quadratus, pronator teres, digital flexors
74
Ulnar Nerve
Palmaris brevis, Flexor digiti minimi abductor digiti minimi (brevis), Adductor pollicis, Lumbricals, Flexor pollicis longus
75
Ulnar nerve Injury
Claw hand -Inability to extend fingers at interphalangeal joints (permanent flexion)
76
Median nerve injury at wrist
Ape hand -Inability to oppose thumb
77
Radian nerve Injury
Wrist drop -Inability to extend the hand -Inability to fully extend forearm
78
Median nerve Injury at Elbow
Hand of Benediction -Inability to flex at the MCP and IP joints of the middle and index fingers

Orthotic and Prosthetic Board Prep (9 decks)

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