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O, I, A, N > Part 1 > Flashcards

Part 1 Flashcards

1
Q

Gluteus Maximus

A

O: posterior to posterior gluteal line of ilium
I: iliotibial tract, gluteal tuberosity of femur
A: extends/abducts/laterally rotates thigh
N: inferior gluteal n

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2
Q

Gluteus Medius

A

O: between ant. and post. Gluteal lines of ilium
I: greater trochanter of femur
A: abducts/medially rotates thigh
N: superior gluteal n

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3
Q

Gluteus Minimus

A

O: between ant. and inf. Gluteal lines of ilium
I: greater trochanter of femur
A: abducts/medially rotates thigh
N: superior gluteal n

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4
Q

piriformis

A

O: sacrum, sacrotuberous ligament
I: greater trochanter of femur
A: laterally rotates extended thigh, abducts flexed thigh
N: ventral rami

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5
Q

Quadratus Femoris

A

O: ischial tuberosity
I: intertrochanteric crest of femur
A: laterally rotates thigh
N: n to quadratus femoris

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6
Q

Psoas Major

A

O: T12-L5 transverse processes
I: lesser trochanter
A: hip flexion
N: ventral rami L1-L3

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7
Q

Rectus Femoris

A

O: AIIS of ilium
I: tibial tuberosity via patellar ligament
A: hip flexion
N: femoral nerve

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8
Q

Tensor Fascia Latae

A

O: iliac crest, ASIS of ilium
I: IT band, lateral tibial condyle
A: hip flexion
N: superior gluteal nerve

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9
Q

Sartorius

A

O: ASIS of ilium
I: proximal/medial tibia
A: hip flexion
N: Femoral n

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10
Q

Adductor Magnus

A

O: inferior pubic ramus and ischial tuberosity
I: linea aspera and adductor tubercle
A: hip flexion
N: obturator and tibial n

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11
Q

Vastus Lateralis

A

O: greater trochanter, lateral linea aspera of femur
I: tibial tuberosity via patellar tendon
A: knee extension
N: femoral n

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12
Q

Vastus Intermedius

A

O: anterior/lateral surface of shaft of femur
I: tibial tuberosity via patellar tendon
A: knee extension
N: femoral n

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13
Q

Quadratus Lumborum

A

O: 12th rib, transverse processes of lumbar v
I: iliac crest
A: extends and lateral flexes vertebral column
N: anterior rami of lumbar nn L1-L3

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14
Q

Vastus Medialis

A

O: intertrochanteric line, medial linea aspera of femur
I: tibial tuberosity via patellar tendon
A: knee extension
N: femoral n

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15
Q

Gracilis

A

O: body and inferior ramus of pubis
I: proximal/medial tibia
A: hip adduction
N: obturator n

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16
Q

Long Head Biceps Femoris

A

O: ischial tuberosity
I: lateral head of fibula
A: flex/lat rotate leg, extend thigh
N: tibial division of sciatic n

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17
Q

Short head Biceps Femoris

A

O: linea aspera of femur
I: lateral head of fibular
A: flex/lat rotate leg, extend thigh
N: common fib. Division of sciatic n.

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18
Q

Flexor Carpi Radialis

A

O: medial epicondyle of humerus
I: base of second and third metacarpals
A: wrist flexion and hand abduction
N: median n

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19
Q

Palmaris Longus

A

O: medial epicondyle of humerus
I: palmar aponeurosis; skin and fascia of palm
A: wrist flexion
N: median nerve

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20
Q

Supraspinatus

A

O: supraspinous fossa
I: greater tubercle of humerus
A: abduction of the arm
N: suprascapular n

21
Q

Infraspinatus

A

O: infraspinatous fossa
I: greater tubercle of the humerus
A: external rotation of arm
N: suprascapular n

22
Q

Triceps Brachii

A

O: long head: infraglenoid tubercle
Long head: posterolateral humerus
Medial head: postermedial surface of the inferior ½ of the humerus
I: olecranon process
A: extends the forearm; long head extends and adducts arm
N: radial n

23
Q

Teres Minor

A

O: upper 2/3 of the lateral border of the scapula
I: greater tubercle of the humerus
A: externally rotate shoulder
N: axillary n

24
Q

corachobrachialis

A

O: tip of the coracoid process
I: anteromedial shaft of humerus opposite deltoid tuberosity
A: flexion and adduction of the humerus
N: musculocutaneous n

25
Q

subscapularis

A

O: subscapular fossa
I: lesser tubercle of the humerus
A: medially rotates the arm; assists extension of arm
N: upper and lower subscapular nn

26
Q

Biceps Brachii

A

O: short head: tip of coracoid process
Long head: supraglenoid tubercle
I: radial tuberosity
A: flexes the forearm, flexes arm, supinates
N: musculocutaneous nerve

27
Q

Deltoid

A

O: lateral clavicle, acromion and spine of scapula
I: deltoid tuberosity
A: abduction of arm
N: axillary n

28
Q

Pectoralis Major

A

O: clavicle and sternum
I: greater tubercle of humerus
A: flex, adducts and medially rotates arm
N: medial and lateral pectoral n

29
Q

Teres Major

A

O: dorsal surface of the inferior angle of the scapula
I: lesser tubercle
A: adducts arm, medially rotates the arm, assists in arm extension
N: lower subscapular n

30
Q

Pectoralis Minor

A

O: ribs 3-5
I: coracoid process of scapula
A: protracts and lowers lateral scapula
N: medial pectoral n

31
Q

Brachialis

A

O: anterior surface of the lower one-half of the humerus
I: coronoid process of the ulna
A: flexes the forearm
N: musculocutaneous nerve

32
Q

Platysma

A

O: subcutaneous skin of delto-pectoral region
I: invests in the skin widely over the mandible
A: depresses mandible, tenses the skin over the lower neck
N: cervical branch of facial

33
Q

SCM

A

O: manubrium of sternum, medial portion of clavicle
I: mastoid process of temporal bone
A: rotates to side opposite contraction, laterally flexes to contracted side and bilaterally flexes neck
N: spinal accessory and ventral rami of C2

34
Q

Trapezius

A

O: external occipital protuberance, medial side of superior nuchal line, ligamentum nuchae, spinous processes of C1-T12
I: posterior, lateral 1/3 of clavicle, acromion, superior spine of scapula
A: elevates/depresses scapula, upward rotation of the scapula, retracts scapula
N: spinal accessory, ventral rami of C3 and C4

35
Q

serratus posterior inferior

A

O: spines of upper lumbar and lower thoracic vertebrae
I: ribs
A: lower ribs in expiration
N: intercostal

36
Q

Lattisimus Dorsi

A

O: spines of T6-12, thoracolubar fascia, iliac crest
I: intertubercular groove
A: adducts, extends and medially rotates arm
N: thoracodorsal n

37
Q

Splenius

A

O: spines of T1-4
I: occipital and temporal bone, transverse processes of C2-3
A: extend neck and head
N: dorsal rami of spinal n

38
Q

iliocostalis

A

O: ilium and ribs
I: ribs
A: Extend trunk or vertebral column
N: dorsal rami of spinal nerves

39
Q

Levator Scapulae

A

O: transverse processes of C1-4
I: superior angle and medial border
A: elevates and adducts scapula
N: dorsal scapular

40
Q

Longissimus

A

O: transverse processes of vertebrae
I: transverse processes of vertebrae
A: extend trunk and vertebral column
N: dorsal rami of spinal nerves

41
Q

spinalis

A

O: spinous processes
I: spinous processes
A: extend trunk and vertebral column
N: dorsal rami of spinal nerves

42
Q

Rhomboid Minor

A

O: spines of C7 and T1
I: medial border
A: elevates and adducts scapula
N: dorsal scapular

43
Q

Rhomboid Major

A

O: spines of T2-5
I: medial border to inferior angle
A: elevates and adducts scapula
N: dorsal scapular

44
Q

Serratus Posterior Superior

A

O: spines of cervical and upper thoracic vertebrae
I: ribs
A: raise ribs in inspiration
N: intercostal

45
Q

Extensor Digitorum Longus

A

O: lateral condyle of tibia and fibula
I: phalanges of toes
A: extends, dorsiflexes and everts foot
N: deep fibular n

46
Q

Tibialis Anterior

A

O: tibia and interosseous membrane
I: medial cuneiform and first metatarsal
A: dorsiflexes and inverts foot
N: deep fibular

47
Q

Gastroc

A

O: condyles of femur
I: calcaneus
A: plantarflexion, leg flexion at knee
N: tibial n

48
Q

Soleus

A

O: head/posterior fibula, soleal line of tibia
I: calcaneus
A: plantar flexion, foot stability
N: tibial n

O, I, A, N (1 decks)

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