Lab Exam Muscles Flashcards

1
Q

Transversospinales group - Semispinalis Capitis
O:
I:
A:
N:

A

O: Transverse processes (4 lower cervical, 6 upper thoracic)
I: Occipital bone (Between nuchal lines)
A: Neck extension/rotation, lateral flexion

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2
Q

Transversospinales group - Semispinalis Cervicis
O:
I:
A:
N:

A

O: Transverse processes T1-5/6
I: Spinous processes C2-5
A: Back extension/rotation, lateral flexion

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3
Q

Transversospinales group - Semispinalis Thoracis
O:
I:
A:
N:

A

O: Transverse processes T6-10
I: Spinous process C6-T4
A: Back extension/rotation, lateral flexion

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4
Q

Transversospinales group:
Multifidus
O:
I:
A:
N:

A

O: Sacrum/transverse processes (inferior)
I: Spinous process (3-4 superior)
A: Back extension/rotation, lateral flexion

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5
Q

Transversospinales group:
Rotatores
O:
I:
A:
N:

A

O: Transverse process (Inferior)
I: Spinous process (1-2 superior)
A: Back extension/rotation

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6
Q

Erector Spinae
Spinalis group -
Sections:
O:
I:
A:

A

Spinalis Cervicis
O: Nuchal and C7 SP
I: Upper cervical spinous processes
A: Extends the neck

Spinalis Thoracis
O: T11-L2 SP
I: Spinous processes of superior thoracic vertebrae
A: Extends vertebral column

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7
Q

Erector Spinae
Longissimus group -
Sections:
O:
I:
A:

A

Longissimus Capitis
O: Inferior cervical/superior thoracic transverse processes
I: Mastoid process of temporal bone
A: Extends neck; lateral neck flexion/rotation

Longissimus Cervicis
O: Superior thoracic transverse processes
I: Upper cervical transverse processes
A: Extends vertebral column; lateral flexion

Longissimus Thoracis
O: Inferior thoracic/Superior lumbar transverse processes
I: Inferior thoracic/Superior lumbar transverse processes and ribs
A: Extends vertebral column; lateral flexion

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8
Q

Erector Spinae
Iliocostalis Group -
Sections:
O:
I:
A:

A

Iliocostalis Cervicis
O: Ribs 1-12
I: Transverse processes (Low C-spine)
A: Laterally flexes neck, elevates ribs

Iliocostalis thoracis
O: Ribs 6-12
I: Superior ribs and transverse of C7
A: Stabilizes vertebrae

Iliocostalis Lumborum
O: Iliac crest, sacrum, lumbar spinous processes
I: Ribs 6-12
A: Extends vertebral column, depresses ribs

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9
Q

Superficial Layer: Splenius Capitis
O:
I:
A:

A

O: C and T SP, nuchal
I: Mastoid process and occipital bone
A: Extends and laterally flexes neck

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10
Q

Superficial Layer: Splenius Cervicis
O:
I:
A:

A

O: C and T SP, nuchal
I: Atlas and Axis
A: Extends and laterally flexes neck

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11
Q

Rectus Abdominus
O:
I:
A:

A

O: Pubis
I: Ribs 5-7, Xiphoid
A: Trunk Flexion

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12
Q

External oblique

O:
I:
A:

A

O: Ribs 5-12
I: Iliac crest, pubic bone, linea Alba
A: Contralateral/towards midline rotation (unilateral), flexion (bilateral)

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13
Q

Internal Oblique

O:
I:
A:

A

O: Thoracolumbar Fascia, Iliac crest
I: Inferior borders ribs 9-12, linea alba
A: Ipsilateral inside Rotation (unilateral), flexion (bilateral)

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14
Q

Quadratus Lumborum

O:
I:
A:

A

O: Iliac Crest
I: 12th rib and transverse processes
A: Depresses Ribs, lateral flexion

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15
Q

Serratus Anterior

O:
I:
A:

A

O: Ribs 1-10
I: Medial scapula
A: Protracts scap, upward rotation

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16
Q

Deltoid

O:
I:
A:

A

O: Clavicle and scapular spine
I: Deltoid tuberosity
A: Abduction (15-90 deg), flexion, extension

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17
Q

Trapezius

O:
I:
A:

A

O: Occipital bone, nuchal ligament, spinous processes
I: Lateral clavicle, acromian scapular spine
A: Extension and lateral flexion of neck, elevation, retraction, depression

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18
Q

Latissimus Dorsi

O:
I:
A:

A

O: Spinous process, thoracolumbar fascia
I: Floor of inter-tubercular groove
A: Extension, adduction, medial rotation

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19
Q

Levator Scapulae

O:
A:
I:

A

O: C1-4 TP
I: Sup angle of scap
A: Elevation, downward scap rotation (Lat flexion if scap stationary)

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20
Q

Rhomboids

O:
I:
A:

A

O: Spinous processes
I: Medial border of scapula
A: Retraction and downward rotation

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21
Q

Supraspinatus

O:
I:
A:

A

O: Supraspinous Fossa
I: Greater Tubercle
A: Abduction for first 15 degrees

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22
Q

Infraspinatus

O:
I:
A:

A

O: Infraspinous fossa
I: Greater tubercle
A: Lateral rotation

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23
Q

Subscapularis

O:
I:
A:

A

O: Subscapular fossa
I: Lesser Tubercle
A: Medial rotation

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24
Q

Biceps Brachii

O:
I:
A:

A

Long Head
O: Supraglenoid tubercle
I: Radial Tuberosity
A: Flexion (Elbow and shoulder), Supination

Short Head
O: Coracoid process
I: Radial tuberosity
A: Flexion (Elbow and shoulder), Supination

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25
Triceps Brachii O: I: A:
Long head O: Infraglenoid tubercle I: Olecranon A: Extension (Elbow and shoulder) Medial head O: Posterior Humerus I: Olecranon A: Elbow extension Lateral head O: Lateral humerus I: Olecranon A: Elbow extension
26
Pectoralis Major O: I: A:
O: Ribs 2-6, Sternum, Clavicle I: Deltoid tuberosity A: Shoulder flexion, adduction, medial rotation
27
Pectoralis Minor O: I: A:
O: Ribs 3-5 I: Coracoid process A: Depression, protraction, downward rotation, elevated ribs (If scap stationary)
28
Rectus Femoris O: I: A:
O: ASIS (Anterior Inferior Iliac Spine) I: Tibial tuberosity (Via quad tendon, patellar ligament) A: Knee extension, Hip flexion
29
Vastus Lateralis O: I: A:
O: Linea aspera (Proximal), base of the greater trochanter I: Tibial tuberosity A: Knee extension
30
Vastus Medialis O: I: A:
O: Linea aspera (Full length) I: Tibial tuberosity A: Knee extension
31
Sartorius O: I: A:
O: ASIS (Anterior Superior Iliac Spine) I: Medial surface of tibia A: Hip and knee flexion, lateral hip rotation
32
Tibialis Anterior O: I: A:
O: Lateral condyle and tibia I: Base (Superior) of the 1st metatarsal and medial cuneiform A: Dorsiflexion and inversion
33
Extensor Digitorum Longus O: I: A:
O: Lateral condyle and anterior fibula I: Superior surfaces phalanges 2-5 A: Dorsiflexion and toe extension (2-5)
34
Extensor hallucis longus O: I: A:
O: Anterior fibula I: Distal phalanx (Great toe) A: Dorsiflexion and extension of great toe
35
Fibularis (Peroneus) Longus O: I: A:
O: Head of fibula I: Base (Inferior) of 1st metatarsal and medial cuneiform A: Plantarflexion and eversion
36
Fibularis (Peroneus) Brevis O: I: A:
O: Midlateral fibula I: Base of 5th metatarsal A: Plantarflexion and eversion
37
Gastrocnemius O: I: A:
O: Femoral condyles I: Calcaneus A: Knee flexion and plantarflexion
38
Soleus O: I: A:
O: Head of fibula and adjacent tibia/interosseus membrane I: Calcaneus A: Plantarflexion
39
Tibialis Posterior O: I: A:
O: Shaft of tibia and fibula, interosseus membrane I: Navicular, cuneiforms, cuboid, 2nd, 3rd, 4th metatarsals A: Inversion and plantarflexion
40
Flexor Digitorum Longus O: I: A:
O: Posteromedial tibia I: Distal phalanges (2-5) A: Plantarflexion and flexion of digits 2-5
41
Semimembranosus O: I: A:
O: Ischial tuberosity I: Posterior medial tibial condyle A: Hip extension, knee flexion
42
Flexor Hallucis Longus O: I: A:
O: Posterior fibula I: Distal phalanx (Great toe), inferior A: Plantarflexion, flexion of the great toe
43
Biceps Femoris O: I: A:
Long head O: Ischial tuberosity I: Head of fibula and lateral tibia A: Hip extension, knee flexion Short head O: Linea Aspera I: Head of fibula and lateral tibia A: Knee flexion
44
Adductor Longus O: I: A:
O: Inferior ramus of pubis I: Distal Linea aspera A: Adduction, flexion, medial hip rotation
45
Teres Minor O: I: A:
O: Lateral border of scap I: Greater tubercle A: Lateral rotation
46
Gracilis O: I: A:
O: Inferior ramus of pubis I: Medial surface of tibia A: Hip adduction and Medial rotation, Knee flexion and medial rotation
47
Coracobrachialis O: I: A:
O: Coracoid Process I: Medial humerus A: Adduction and flexion of shoulder
48
Semitendinosus O: I: A:
O: Ischial tuberosity I: Proximal medial tibia A: Hip extension, knee flexion
49
TFL O: I: A:
O: Iliac Crest and ASIS I: IT Band (-> Lateral tibial condyle/Gerdy's) A: Abduction, Medial rotation, knee extension (IT band is lateral rotation of knee wit abd and ext)
50
Gluteus Maximus O: I: A:
O: Iliac Crest, sacrum, coccyx, thoracolumbar fascia I: Gluteal tuberosity (Post femur) A: Extension, lat rotation
51
Gluteus Medius O: I: A:
O: Ilium (Post and Ant gluteal lines) I: Greater trochanter A: Abduction, lateral rotation
52
Gluteus Minimus O: I: A:
O: Ilium (Post and Inf gluteal lines) I: Greater trochanter A: Abduction, lateral rotation
53
Piriformis O: I: A:
O: Anterolateral sacrum I: Greater trochanter A: lateral rotation, abduction
54
Gemelli (Sup and Inf) O: I: A:
Superior O: Ischial spine I: Greater trochanter A: Lateral rotation, abduction Inferior O: Ischial tuberosity I: Greater tuberosity A: Lateral rotation, abduction
55
Quadratus Femoris O: I: A:
O: Ischial tuberosity I: Intertrochanteric crest A: Lateral rotation
56
Obturator (Int. ext.) O: I: A:
Internus O: Medial margin of obturator foramen (Posterior) I: Greater trochanter A: Lateral rotation and abduction Externus O: Medial margin of obturator foramen (Anterior) I: Greater trochanter A: Lateral rotation and abduction
57
Adductor Magnus O: I: A:
O: Inferior ramus of pubis, ischial tuberosity I: Linea aspera, adductor tubercle A: Adduction, flexion (Anterior section), extension (posterior section)
58
Adductor Brevis O: I: A:
O: Inferior ramus of pubis I: Linea aspera A: Adduction, flexion of hip
59
Teres Major O: I: A:
O: Inf angle of scap I: Intertubercular groove A: Extension and medial rotation
60
Serratus Posterior (Sup and Inf) O: I: A:
Superior O: C7-T3 SP I: Ribs 2-5 A: Inspiration/elevation of ribs Inferior O: T11-L2 SP I: Tibs 9-12 A: Expiration/depression of ribs
61
Pectineus O: I: A:
O: Superior pubic ramus (On pectineal line) I: Pectineal line of femur A: Flexion and adduction (Not primary adductor)
62
Psoas Major O: I: A:
O: Anterior surface and T12-L5 TP I: Lesser trochanter A: Hip flexion
63
Iliacus O: I: A:
O: Iliac fossa I: Lesser trochanter A: Hip flexion
64
Vastus Intermedius O: I: A:
O: Anterolateral surface of femur and linea aspera I: Tibial tuberosity A: Knee extension
65
Popliteus O: I: A:
O: Lateral femoral condyle I: Posterior proximal tibia A: Medial rotation of knee, knee flexion
66
Plantaris O: I: A:
O: Lateral supracondylar ridge (femur) I: Calcaneus A: Knee flexion, plantarflexion