Practical Exam Flashcards

1
Q

Middle Trapezius

A

O: Spinous Processes of T1-T5
I: Acromion, spine of scapula
A: retraction of scapula
N: Cranial nerve XI, C3, C4

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2
Q

Lower Trapezius

A

O: Spinous processes of T6-T12
I: Root of the spine of the scapula
A: depression, upward retraction of the scapula
N: CN XI, C3, C4

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3
Q

Upper Trapezius

A

O: Occipital protuberance, medial 1/3rd nuchal line, ligamentum nuchae and C7 spinous processes
I: lateral 1/3 clavicle, acromion process
A: elevation of shoulders, upward scapular rotation
* Reverse OI: extension, lateral flexion, and contralateral neck rotation
N: CN XI, C3, C4

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4
Q

Rhomboid Major

A

O: Spinous processes of T2-T5
I: Medial border of scapula between root of spine and inferior angle
A: Scapular retraction, downward rotation of scapula
N: Dorsal scapular nerve

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5
Q

Rhomboid Minor

A

O: Spinous processes of C7-T2, inferior portion of ligamentum nuchae
I: Root of the spine of the scapula
A: Scapular retraction, downward rotation of scapula
N: Dorsal scapular nerve

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6
Q

Serratus Anterior

A

O: Ribs 1-9
I: Anterior and medial border of scapula
A: Scapular elevation and downward rotation
*Reverse OI: neck extension (Bilateral), ipsilateral flexion, and rotation of the neck
N: Dorsal Scapular nerve

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7
Q

Pectoralis Minor

A

O: Ribs 3-5
I: Coracoid process of scapula
A: Depression, protraction, and downward rotation of the scapula
N: Medial pectoral nerve

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8
Q

Supraspinatus

A

O: Supraspinous fossa of scapula
I: Superior facet of greater tubercle of humerus and joint capsule
A: Abducts the glenohumeral joint and stabilizes the head of the humerus in the fossa
N: Suprascapular nerve

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9
Q

Infraspinatus

A

O: Infraspinous fossa
I: middle facet of the greater tubercle of the humerus and joint capsule
A: External rotation of shoulder, glenohumeral stabilization during movement
N: Suprascapular nerve

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10
Q

Teres Minor

A

O: Superior lateral border of the scapula
I: Inferior facet of the greater tubercle of the humerus
A: Internal rotation of the GH joint, stabilization of the joint during movement
N: axillary nerve

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11
Q

Subscapularis

A

O: subscapular fossa of the scapula
I: lesser tubercle of the humerus
A: Internal rotation of the GH joint, stabilization of the joint during movement
N: Upper and lower subscapular nerve

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12
Q

Deltoid (Anterior)

A

O: lateral 1/3rd of clavicle
I: deltoid tuberosity of the humerus
A: GH flexion, horizontal adduction, internal rotation
N: Axillary nerve

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13
Q

Deltoid (Middle)

A

O: Acromion process
I: Deltoid tuberosity of the humerus
A: GH abduction (along with anterior and posterior fibres)
N: Axillary nerve

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14
Q

Deltoid (Posterior)

A

O: Posterior border of the scapular spine
I: Deltoid tuberosity of the humerus
A: GH extension, horizontal abduction, external rotation
N: Axillary nerve

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15
Q

Pectoralis Major

A

O: Medial 1/3rd of clavicle, sternum and costal cartilages of ribs 1-7 (and aponeurosis of external oblique)
I: Lateral lip of intertubercular groove of humerus
A: GH horizontal adduction, adduction, extension, flexion, and internal rotation (Horizontal adduction/flexion from an abduction position)
N: Medial and Lateral pectoral nerve

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16
Q

Latissimus Dorsi

A

O: Spinous processes of T7-L5 (via thoracolumbar fascia), sacral and iliac crests, ribs 8-12, posterior iliac crest, inferior angle of scapula
I: Floor of intertubercular groove of humerus
A: GH adduction, extension, internal rotation
*Reverse OI: pelvic tilting
N: Thoracodorsal nerve

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17
Q

Teres Major

A

O: Inferior angle/lateral border of scapula
I: Medial lip of intertubercular groove of humerus
A: GH adduction, extension, internal rotation
N: Lower subscapular nerve

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18
Q

Biceps Brachii

A

O:
LONG HEAD: supraglenoid tubercle
SHORT HEAD: Coracoid process
I: radial tuberosity and aponeurosis to deep fascia of common flexor tendon
A: Elbow and GH flexion, forearm supination
N: Musculocutaneous nerve

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19
Q

Brachialis

A

O: Distal 1/2 anterior shaft of humerus
I: ulnar tuberosity of the ulna and coronoid process
A: Elbow flexion
N: Musculocutaneous nerve

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20
Q

Brachioradialis

A

O: Lateral supracondylar ridge
I: Lateral aspect of radial styloid process
A: Elbow flexion, assists with pronation/supination
N: Radial nerve

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21
Q

Triceps Brachii

A

O:
LONG HEAD: Infraglenoid tubercle of scapula
LATERAL HEAD: Proximal 1/3rd of the posterolateral humerus
MEDIAL HEAD: Distal 2/3rds of the posteromedial shaft of the humerus
I: Olecranon process of the ulna
A: Elbow extension; long head also performs GH extension
N: Radial nerve

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22
Q

Pronator Teres

A

O:
HUMERAL HEAD: Medial epicondyle and medial supracondylar ridge, common flexor tendon
ULNAR HEAD: Medial side of coronoid process
I: Middle 1/3rd of lateral radius
A: Pronation of the forearm, assists with elbow flexion
N: Median nerve

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23
Q

Pronator Quadratus

A

O: Distal 1/4th of the anterior surface of ulna
I: Distal 1/4th of the anterior surface of radius
A: Pronation of forearm
N: Median nerve

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24
Q

Supinator

A

O: Lateral epicondyle of humerus, supinator fossa and crest of ulna
I: Proximal 1/3rd of lateral, posterior, and anterior surfaces of the radius
A: Supination of forearm
N: Radial nerve

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25
Flexor Carpi Radialis
O: Common flexor tendon from medial epicondyle I: Anterior side of bases of 2nd and 3rd metacarpals A: Wrist flexion and radial deviation N: Median nerve
26
Flexor Carpi Ulnaris
O: HUMERAL HEAD: medial epicondyle of humerus ULNAR HEAD: Olecranon, proximal posterior 2/3rds of ulna I: Pisiform, hook of hamate, and base of the 5th metacarpal A: Wrist flexion and ulnar deviation N: Ulnar nerve
27
Palmaris Longus
O: Medial epicondyle of humerus I: Distal 1/2 of flexor retinaculum and palmar aponeurosis A: Wrist flexion, tightens palmar aponeurosis N: Median nerve
28
Extensor Carpi Radialis Longus
O: Distal 1/3rd of lateral supracondylar ridge I: posterior side of the base of 2nd metacarpal bone A: Wrist extension and radial deviation N: Radial nerve
29
Extensor Carpi Radialis Brevis
O: Lateral epicondyle of humerus I: Base of 3rd metacarpal A: Wrist extension and radial deviation N: Radial nerve
30
Extensor Carpi Ulnaris
O: Lateral epicondyle of humerus and posterior border of ulna I: Base of 5th metacarpal A: Wrist extension and ulnar deviation N: Radial nerve
31
Iliacus (of Iliopsoas muscle)
``` O: Iliac fossa I: Lesser trochanter of femur (along with psoas major) A: Hip flexion and external rotation *Reverse OI: Anterior pelvic tilt N: Femoral nerve ```
32
Psoas Major (of Iliopsoas muscle)
O: Anterolateral surface of bodies and transverse processes of T12-L5 (and the intervertebral discs in between) I: Lesser trochanter of femur (along with iliacus) A: Hip flexion and external rotation N: Branches from lumbar plexus
33
Rectus Femoris
O: Anterior inferior iliac spine I: Tibial tuberosity via the quadriceps tendon and patella ligament (common insertion with the vastus muscles) A: Hip flexion and knee extension N: Femoral nerve
34
Tensor Fascia Latae (TFL)
O: Anterolateral iliac crest and anterior superior iliac spine I: 1/3rd of the way down the iliotibial band A: Hip flexion, abduction, and internal rotation N: Superior gluteal nerve
35
Gluteus Maximus
O: Posterior iliac crest posterior to gluteal line, posterolateral sacrum and coccyx, thoracolumbar fascia, and sacrotuberous ligament I: Gluteal tuberosity of femur and iliotibial band A: Extends and internally rotates the hip, upper 1/3rd abducts hip, lower 2/3rds adducts hip N: Inferior gluteal nerve
36
Semitendinosus
O: Ischial tuberosity I: Proximal part of anteromedial tibia over pes anserine bursa A: Hip extension, knee flexion, medially rotates leg at knee N: Sciatic nerve
37
Semimembranosus
O: Ischial tuberosity I: Posterior aspect of medial tibial condyle A: Hip extension, knee flexion, medially rotates leg at knee N: Sciatic nerve
38
Biceps Femoris
O: LONG HEAD: ischial tuberosity and sacrotuberous ligament SHORT HEAD: Linea aspera and upper lateral supracondylar line I: Head of fibula and lateral condyle of tibia A: Long Head extends hip; Short and long head flex knee and externally rotate leg at knee N: Sciatic nerve (tibial and common peroneal nerve)
39
Gluteus Medius
O: Ilium inferior to iliac crest, and between posterior and anterior gluteal lines I: Superolateral surface of greater trochanter of femur A: Abducts and internally rotates the hip *Anterior fibers flex hip *Posterior fibres extend and internally rotate the hip N: Superior gluteal nerve
40
Gluteus Minimus
O: Outer surface of ilium between anterior and inferior gluteal lines I: Anterolateral border of greater trochanter of femur A: Abducts and internally rotates the hip *Anterior fibers flex the hip *Posterior fibers extend and internally rotate the hip N: Superior gluteal nerve
41
Pectineus
O: Pectineal line of pubis (superior ramus) I: Inferior to lesser trochanter (pectineal line of femur) A: Adduction, flexion, weak medial rotation of thigh at hip *Reverse OI: Anteriorly tilt pelvis N: Obturator nerve
42
Adductor Brevis
O: Pubis ramus I: Proximal 1/3rd of linea aspera of femur A: Adduction, flexion of thigh at hip, weak medial rotation *Reverse OI: Anteriorly tilt pelvis N: Obturator nerve
43
Adductor Longus
``` O: Pubic ramus I: Middle 1/4 of linea aspera of femur A: Adduction, flexion of thigh at hip, weak medial rotation *Reverse OI: Anteriorly tilt pelvis N: Obturator nerve ```
44
Adductor Magnus
O: 2 Heads (anterior and posterior): Pubic and ischial ramus; ischial tuberosity I: Gluteal tuberosity, linea aspera, supracondylar line and adductor tubercle of femur A: Adduction, flexion, weak medial rotation of thigh at hip *Reverse OI: anteriorly and posteriorly tilt pelvis *Posterior fibers: Hip extension and posterior pelvic tilt N: Obturator and sciatic nerve
45
Gracilis
O: Anterior body and inferior ramus of pubis I: Proximal antero-medial surface of tibia over pes anserine bursae A: Adduction, flexion of hip, and flexion at the knee joint, medial rotator *Reverse OI: Anteriorly tilt pelvis N: Obturator nerve
46
Piriformis
O: Anterolateral sacrum I: Superomedial aspect of greater trochanter of femur A: Hip external rotation *When hip is in flexion, it horizontally abducts and internally rotates at the hip N: nerve to piriformis from lumbar plexus
47
Vastus Lateralis
O: Lateral lip of linea aspera of femur, intertrochanteric line and gluteal tuberosity I: Tibial tuberosity via patellar ligament via quadriceps tendon (common insertion with rectus femoris) A: Knee extension N: Femoral nerve
48
Vastus Medialis
O: Medial lip of the linea aspera, intertrochanteric line, and supracondylar line of femur I: Tibial tuberosity via patellar ligament via quadriceps tendon (common insertion with rectus femoris) A: Knee extension N: Femoral nerve
49
Vastus Intermedius
O: Anterior and lateral aspects of femur shaft, and lateral lip of linea aspera I: Tibial tuberosity via patellar ligament via quadriceps tendon (common insertion with rectus femoris) A: Knee extension N: Femoral nerve
50
Tibialis Anterior
O: Lateral tibial condyle, proximal tibia and interosseous membrane I: Tendon wraps to inferior surface of medial cuneiform and base of 1st metatarsal A: Ankle dorsiflexion, inversion of subtalar joint N: Deep fibular nerve (branch from common peroneal nerve)
51
Tibialis Posterior
O: Proximal posterior 2/3rds of tibia and fibula, and interosseous membrane I: Tendons pass behind medial malleolus and under the arch of the foot --> insert into navicular and all other tarsal bones except talus and bases of metatarsals 2-4 A: Inversion of subtalar joint, assists in ankle plantarflexion (Main inverter in both plantarflexion and dorsiflexion) N: Tibial nerve
52
Peroneus/Fibularis Longus
O: Head and proximal 1/2 of fibula I: Tendon curves under foot to base of 1st metatarsal and 1st cuneiform (supports arch) A: Eversion of foot; ankle plantarflexion N: Superficial peroneal/fibular nerve
53
Peroneus/Fibularis Brevis
O: Distal 1/2 of lateral fibula I: Tendon runs behind lateral malleolus to dorsal surface of base of 5th metatarsal A: Eversion of foot at subtalar joint; ankle plantarflexion N: Superficial peroneal/fibular nerve
54
Gastrocnemius
O: Posterior aspects of medial and lateral femoral condyles I: Posterior surface of calcaneus via achilles/calcaneal tendon A: Plantarflexes foot at ankle, flexes leg at knee N: Tibial nerve
55
Soleus
O: soleal line of tibia and head and proximal 1/3 of fibula I: Posterior surface of calcaneus vis achilles/calcaneal tendon A: Plantarflexes foot at ankle N: Tibial nerve
56
Transverse Abdominis (NOT ON EXAM)
O: Thoracolumbar fascia, iliac crest, lateral 2/3rds of inguinal ligament, and costal cartilages of ribs 7-12 I: Linea alba of abdominal aponeurosis and pubic crest A: Compresses abdominopelvic cavity N: Intercostal nerves (T7-L1)
57
Internal Obliques (NOT ON EXAM)
O: Thoracolumbar fascia, lateral 2/3rds of inguinal ligament, and iliac crest I: Ribs 9/10-12 and costal cartilages, linea alba of abdominal aponeurosis, and pubic crest A: Flexion of the spine, ipsilateral rotation and lateral flexion N: Intercoastal nerves (T7-L1)
58
External Obliques (NOT ON EXAM)
O: External and inferior border of ribs 5-12 I: External oblique aponeurosis, extending to linea alba and iliac crest A: Flexion of the spine, contralateral rotation, and ipsilateral lateral flexion N: Intercostal nerves (T7-T12)
59
Rectus Abdominis (NOT ON EXAM)
O: Pubic crest and symphysis I: Xiphoid process and cartilage of ribs 5-7 A: Flexion and lateral flexion of the trunk N: Intercostal nerves (T5-T12)
60
Multifidus (NOT ON EXAM)
O: Posterior sacrum, posterior superior iliac spine, posterior SI ligament, L5-C4 vertebrae *L-spine: all mamillary processes *T-spine: all transverse processes *C-spine: articular processes of C4-C7 I: Spinous processes of vertebrae 2-4 segments superior to the origin A: Extension, ipsilateral flexion, and contralateral rotation of the spine N: Cervical, thoracic, and lumbar spinal nerves
61
Iliocostalis (NOT ON EXAM)
O: From ilium to ribs and transverse processes I: From ilium to ribs and transverse processes A: Extension, and ipsilateral flexion of the spine N: Cervical, thoracic, and lumbar spinal nerves
62
Longissimus (NOT ON EXAM)
O: From sacrum and transverse processes to mastoid processes I: From sacrum and transverse processes to mastoid processes A: Extension, and ipsilateral flexion of the spine N: Cervical, thoracic, and lumbar spinal nerves
63
Spinalis (NOT ON EXAM)
O: From spinous processes to spinous processes I: From spinous processes to spinous processes A: Extension, and ipsilateral flexion of the spine N: Cervical, thoracic, and lumbar spinal nerves
64
Quadratus Lumborum (NOT ON EXAM)
O: Posteromedial iliac crest and iliolumbar ligament I: Medial 1/2 of the inferior border of the 12th rib, and transverse processes of L1-L4 A: Ipsilateral evaluation of the pelvis, ipsilateral lateral flexion of lumbar spine; fixes ribs 11-12 during forced exhalation; assists in extension of spine N: Lumbar plexus (T12-L3)