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Anatomy > LE Muscles > Flashcards

LE Muscles Flashcards

1
Q

ILIACUS

A

O) Iliac fossa

I) Lesser trochanter

A) Hip Flexion; Hip ER

N) Femoral Nerve

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2
Q

SARTORIUS

A

O) ASIS

I) Medial to the Tibial Tuberosity via Pes Anserinus

A) Hip Flexion; Hip Abduction; Hip ER
Knee Flexion; Tibia IR

N) Femoral Nerve

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3
Q

PECTINEUS

A

O) Superior Pubic Ramus

I) Pectineal Line

A) Hip Adduction; Hip IR; Hip Flexion

N) Femoral Nerve/Obturator Nerve

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4
Q

ADDUCTOR LONGUS

A

O) Superior pubic ramus

I) Medial lip of linea aspera

A) Hip Adduction; Hip Flexion (to 70 deg); Hip IR

N) Obturator Nerve

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5
Q

ADDUCTOR BREVIS

A

O) Inferior pubic ramus

I) Medial lip of linea aspera

A) Hip Adduction; Hip Flexion (to 70 deg); Hip IR

N) Obturator Nerve

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6
Q

ADDUCTOR MAGNUS (ANT)

A

O) Inferior pubic ramus; ischial ramus

I) Medial Lip Linea Aspera

A) Hip Adduction; Hip IR; Hip Flexion

N) Obturator Nerve

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7
Q

ADDUCTOR MAGNUS (POST)

A

O) Ischial ramus; ischial tuberosity

I) Adductor Tubercle of Femur

A) Hip adduction; Hip ER; Hip Ext

N) Tibial Nerve

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8
Q

GRACILIS

A

O) Inferior pubic ramus

I) Medial to the tibial tuberosity via Pes Anserinus

A) Hip adduction; Hip flexion
Knee flexion; tibia IR

N) Obturator nerve

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9
Q

RECTUS FEMORIS

A

O) AIIS; acetabular roof

I) tibial tuberosity via patellar ligament

A) Hip flexion; knee extension

N) Femoral Nerve

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10
Q

VASTUS MEDIALIS

A

O) Medial lip of linea aspera

I) tibial tuberosity via patellar ligament

A) Knee Extension

N) Femoral Nerve

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11
Q

VASTUS LATERALIS

A

O) Lateral lip of linea aspera

I) tibial tuberosity via patellar ligament

A) Knee Extension

N) Femoral Nerve

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12
Q

VASTUS INTERMEDIUS

A

O) Anterior femur

I) tibial tuberosity via patellar ligament

A) Knee Extension

N) Femoral Nerve

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13
Q

PSOAS MAJOR

A

O - Lateral surface of T12-L4 vertebral bodies

I - Lesser trochanter

A - Hip Flexion; Hip ER; LS Flexion; Ipsilateral LS Flexion

N - L1-L3 direct branches from lumbar plexus

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14
Q

GLUTEUS MAXIMUS (UPPER)

A

O - Sacrum; Post. Iliac Crest; Thoracolumbar Fascia

I - Iliotibial Tract

A - Hip Ext; Hip ER; Hip Abduction

N - Inferior Gluteal Nerve

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15
Q

GLUTEUS MAXIUM (LOWER)

A

O - Sacrum; Thoracolumbar Fascia; Sacrotuberous Ligament

I - Gluteal Tuberosity

A: Hip Ext; Hip ER; Hip Adduction

N - Inferior Gluteal Nerve

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16
Q

GLUTEUS MEDIUS

A

O - Superior Gluteal Surface of Ilium

I - Greater Trochanter

A - Hip Abduction [ANT: Hip IR; Hip Flexion]
[POST: Hip ER; Hip Extension]

N - Superior Gluteal Nerve

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17
Q

GLUTEUS MINIMUS

A

O - Inferior Gluteal Surface of Ilium

I - Greater Trochanter

A - Hip Abduction [ANT: Hip IR; Hip Flexion]
[POST: Hip ER; Hip Extension]

N - Superior Gluteal Nerve

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18
Q

TENSOR FASCIA LATAE

A

O - ASIS

I - Iliotibial Tract

A - Hip Flexion; Hip IR; Hip Abduction
Tenses Fascia Latae

N - Superior Gluteal Nerve

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19
Q

PIRIFORMIS

A

O - Anterior Surface Sacrum

I - Greater Trochanter

A - Hip ER; Hip Ext; Hip Abduction

N - L5-S2 Direct Branches From Sacral Plexus

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20
Q

GEMELLUS SUPERIOR

A

O - Ischial Spine

I - Medial Greater Trochanter

A - Hip ER; Hip Extension
Hip Adduction 30 Abduction

N - L5-S1 Direct Branches from Sacral Plexus

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21
Q

GEMELLUS INFERIOR

A

O - Ischial Tuberosity

I - Medial Greater Trochanter

A - Hip ER; Hip Extension
Hip Adduction 30 Abduction

N - L5-S1 Direct Branches from Sacral Plexus

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22
Q

OBTURATOR INTERNIS

A

O - Inner Surface of Obturator Membrane

I - Medial Greater Trochanter

A - Hip ER; Hip Extension
Hip Adduction 30 Abduction

N - L5-S1 Direct Branches from Sacral Plexus

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23
Q

OBTURATOR EXTERNIS

A

O - Outer Surface of Obturator Membrane

I - Trochanteric Fossa

A - Hip ER; Hip Adduction

N - Obturator Nerve

24
Q

QUADRATUS FEMORIS

A

O - Ischial Tuberosity

I - Intertrochanteric Crest

A - Hip ER; Hip Adduction

N - L5-S1 Direct Branches from Sacral Plexus

25
Q

SEMIMEMBRANOSUS

A

O - Ischial Tuberosity; sacrotuberous ligament

I - Medial Tibial Condyle

A - Hip Extension; Knee Flexion; Tibia IR

N - Tibial Nerve

26
Q

SEMITENDINOSUS

A

O - Ischial Tuberosity; Sacrotuberous ligament

I - Medial to Tib. Tuberosity via Pes Anserinus

A - Hip Ext; Knee Flexion; Tibia IR

N - Tibial Nerve

27
Q

POPLITEUS

A

O - Lateral Femoral Condyle

I - Posterior Tibial Surface

A - Knee Flexion; Tibia IR; Femur ER

N - Tibial Nerve

28
Q

BICEPS FEMORIS (LONG HEAD)

A

O - Ischial Tuberosity

I - Head of Fibula

A - Hip Extension; Knee Flexion; Tibia ER

N - Tibial Nerve

29
Q

BICEPS FEMORIS (SHORT HEAD)

A

O - Lateral Lip of Linea Aspera

I - Head of Fibula

A - Knee Flexion; Tibia ER

N - Common Fibular Nerve

30
Q

GASTROCNEMIUS

A

O - medial & lateral epicondyles of femur

I - calcaneal tuberosity via achilles tendon

A - knee flexion; ankle plantarflexion; IT inversion (STJ)

N - Tibial Nerve

31
Q

SOLEUS

A

O - soleal line of tibia; head/neck of fibula

I - calcaneal tuberosity via achilles tendon

A - ankle plantarflexion; IT inversion (STJ)

N - Tibial Nerve

32
Q

PLANTARIS

A

O - lateral epicondyle of femur

I - calcaneal tuberosity via achilles tendon

A - small contributor: ankle plantarflexion; IT inversion (STJ); knee flexion

N - Tibial Nerve

33
Q

TIBIALIS POSTERIOR

A

O - posterior tibia; posterior fibula; IO membrane

I - Navicular; base of 2nd-4th metatarsals; med, int, lat cuneiforms

A - ankle plantarflexion; IT inversion (STJ)

N - Tibial Nerve

34
Q

FLEXOR DIGITORUM LONGUS

A

O - Middle Posterior Tibia

I - Base of Distal Phalanges 2-5

A - Ankle PF; IT Inversion (STJ); MTP Flexion; IP Flexion 2-5

N - Tibial Nerve

35
Q

FLEXOR HALLUCIS LONGUS

A

O - Distal Posterior Fibula

I - Base of Distal 1st Phalanx

A - Ankle PF; IT Inversion (STJ); MTP Flexion 1; IP Flexion 1

N - Tibial Nerve

36
Q

FIBULARIS (PERONEUS) LONGUS

A

O - Proximal Lateral Fibula; Head of Fibula

I - Medial Cuneiform; Base of 1st MT

A - Ankle PF; IT Eversion (STJ)

N - Superficial Fibular Nerve

37
Q

FIBULARIS (PERONEUS) BREVIS

A

O - Distal Lateral Fibula; IO Membrane

I - Base of 5th MT

A - Ankle PF; IT Eversion (STJ)

N - Superficial Fibular Nerve

38
Q

FIBULARIS (PERONEUS) TERTIUS

A

O - Distal Anterior Fibular w/ EDL

I - Base of 5th MT

A - Ankle DF; IT Eversion (STJ)

N - Deep Fibular Nerve

39
Q

TIBIALIS ANTERIOR

A

O - Upper Lateral Tibia; IO Membrane

I - Medial Cuneiform

A - Ankle Dorsiflexion; IT Inversion (STJ)

N - Deep Fibular Nerve

40
Q

EXTENSOR HALLUCIS LONGUS

A

O - Medial Fibula; IO Membrane

I - Base of 1st Distal Phalanx

A - Ankle Dorsiflexion; IT Inversion/Eversion (STJ); MTP Extension 1; IP Extension 1

N - Deep Fibular Nerve

41
Q

EXTENSOR DIGITORUM LONGUS

A

O - Anterior Fibula; Lateral Tibial Condyle; IO Membrane

I - Base of Middle and Distal Phalanges 2-5

A - Ankle Dorsiflexion; IT Eversion (STJ); MTP Extension 2-5; IP Extension 2-5

N - Deep Fibular Nerve

42
Q

EXTENSOR DIGITORUM BREVIS

A

O - Dorsal Surface Calcaneus

I - Base of Middle Phalanges 2-4

A - MTP Extension 2-4; PIP Extension 2-4

N - Deep Fibular Nerve

43
Q

EXTENSOR HALLUCIS BREVIS

A

O - Dorsal Surface Calcaneus

I - Base of 1st Proximal Phalanx

A - MTP Extension 1

N - Deep Fibular Nerve

44
Q

ABDUCTOR HALLUCIS

A

O - Medial Calcaneus

I - Base of 1st Proximal Phalanx

A - MTP Abduction 1; MTP Flexion 1

N - Medial Plantar Nerve

45
Q

FLEXOR HALLUCIS BREVIS (MED HEAD)

A

O - Medial Cuneiform

I - Base of 1st Proximal Phalanx

A - MTP Flexion 1

N - Medial Plantar Nerve

46
Q

FLEXOR HALLUCIS BREVIS (LATERAL HEAD)

A

O - Intermediate Cuneiform

I - Base of 1st Proximal Phalanx

A - MTP Flexion 1

N - Lateral Plantar Nerve

47
Q

ADDUCTOR HALLUCIS (OBLIQUE HEAD)

A

O - Base of Metatarsals 2-4; Cuboid; Lateral Cuneiform

I - Base of 1st Proximal Phalanx

A - MTP Adduction 1; MTP Flexion 1

N - Lateral Plantar Nerve

48
Q

ADDUCTOR HALLUCIS (TRANSVERSE HEAD)

A

O - Deep Transverse MT Ligament @ MTP 3-5

I - Base of 1st Proximal Phalanx

A - MTP Adduction 1; Support Transverse Arch

N - Lateral Plantar Nerve

49
Q

ABDUCTOR DIGITI MINIMI

A

O - Lateral Calcaneal Tuberosity

I - Base of 5th Proximal Phalanx

A - MTP Abduction 5; MTP Flexion 5

N - Lateral Plantar Nerve

50
Q

FLEXOR DIGITI MINIMI

A

O - Base of 5th Metatarsal

I - Base of 5th Proximal Phalanx

A - MTP Flexion 5

N - Lateral Plantar Nerve

51
Q

FLEXOR DIGITORUM BREVIS

A

O - Calcaneal Tuberosity

I - Middle Phalanges 2-5

A - MTP Flexion 2-5; PIP Flexion 2-5

N - Medial Plantar Nerve

52
Q

QUADRATUS PLANTAE

A

O - Calcaneal Tuberosity

I - Lateral Border of FDL Tendon

A - Redirects and augments pull of FDL

N - Lateral Plantar Nerve

53
Q

LUMBRICALS (1-4)

A

O - Medial Border FDL Tendons

I - Dorsal Aponeuroses 2-5

A - MTP Flexion 2-5; IP Extension 2-5; MTP Abduction 2; MTP Adduction 3-5

N - 1st: Medial Plantar Nerve; 2-4: Lateral Plantar Nerve

54
Q

PLANTAR INTEROSSEI (1-3)

A

O - Medial Border of MT 3-5

I - Medial Base of Proximal Phalanges 3-5

A - MTP Adduction 3-5 “PAD”

N - Lateral Plantar Nerve

55
Q

DORSAL INTEROSSEI (1-4)

A

O - Two Heads from Opposing Sides of MT 1-5

I - 1st: Medial Base of 2nd Proximal Phalanx
2nd: Lateral Base of Proximal Phalanges 2-4

A - MTP Abduction “DAB”

N - Lateral Plantar Nerve

Anatomy (13 decks)

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