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PT-514 Anatomy > LE muscles (with pictures) > Flashcards

LE muscles (with pictures) Flashcards

1
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Psoas Major

Origin: T12-L4 vertebral bodies

Insertion: Lesser trochanter
via Iliopsoas tendon

Action: Flex hip, ER hip, Flex lumbar spine
Ipsilat flex spine

Innervation: L1-L3 direct branches from lumbar plexus

Blood: lumbar arteries

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2
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Iliacus

Origin: Iliac fossa

Insertion: Lesser trochanter of femur
via Iliopsoas tendon

Action: Flex hip
ER hip

Innervation: Femoral N

Blood: Deep Circumflex Iliac

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3
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Sartorius

Origin: ASIS

Insertion: Med to the Tibial Tuberosity via Pes Anserinus

Action: Flex hip, Abd hip, ER hip, Flex knee, IR tibia

Innervation: Femoral nerve

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4
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A
  • *Gluteus Maximus** (upper)
  • *Origin**: Sacrum, Gluteal surface ilium, Thoracolumbar fascia

Insertion: Lateral condyle tibia via Iliotibial tract

Action: Ext hip, ER hip

Innervation: Abd hip Inferior gluteal nerve

Gluteus Maximus (lower)

Origin: Sacrum, Gluteal surface ilium, Thoracolumbar fascia, Sacrotuberous ligament

Insertion: Gluteal tuberosity

Action: Ext hip, ER hip, Add hip

Innervation: Inferior gluteal nerve

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5
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Gluteus Medius

Origin: Superior gluteal surface ilium

Insertion: Lateral Greater trochanter

  • *Action**: Abd hip
  • *Ant**: Flex and IR hip
  • *Post**: Ext and ER hip

Innervation: Superior gluteal nerve

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6
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Gluteus Minimus

Origin: Inferior gluteal surface ilium (below origin of glut med)

Insertion: Anterior Greater trochanter

  • *Action**: Abd hip
  • *Ant**: Flex and IR hip
  • *Post**: Ext and ER hip

Innervation: Superior gluteal nerve

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7
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Tensor Fasciae Latae

Origin: ASIS

Insertion: Lateral condyle tibia via Iliotibial tract

Action: Tenses fascia lata, Abd hip, Flex hip, IR hip

Innervation: Superior gluteal nerve

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8
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Piriformis

Origin: Ant surface sacrum

Insertion: Greater trochanter apex

Action: ER hip, Abd hip, Ext hip

Innervation: L5-S2 direct branches from sacral plexus

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9
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Gemellus Superior

Origin: Ischial spine

Insertion: Greater trochanter

Action:

ER hip

Add hip < 30 Abd
Abd hip > 30 Abd
Extend hip

Innervation: L5, S1 direct branches from sacral plexus

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10
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Obturator Internus

Origin: Inner surface obturator membrane

Insertion: Greater trochanter
(med surface)

Action: ER hip
Add hip < 30 Abd
Abd hip > 30 Abd
Extend hip

Innervation: L5, S1 direct branches from sacral plexus

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11
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Gemellus Inferior

Origin: Ischial tuberosity

Insertion: Greater trochanter

Action: ER hip
Add hip < 30 Abd
Abd hip > 30 Abd
Extend hip

Innervation: L5, S1 direct branches from sacral plexus

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12
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Obturator Externus

Origin: Outer surface obturator membrane

Insertion: Trochanteric fossa ER hip

Action: Add hip

Innervation: Obturator nerve

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13
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Quadratus Femoris

Origin: Ischial tuberosity

Insertion: Intertrochanteric crest

Action: ER hip
Add hip

Innervation: L5, S1 direct branches from sacral plexus

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14
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Pectineus

Origin: Superior pubic ramus

Insertion: Pectineal line

Action: Add hip
IR hip
Flex hip

Innervation: Femoral nerve

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15
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Adductor Longus

Origin: Pubic Body

Insertion: Linea aspera

Action: Add hip
Flex hip (to 70 deg)
IR hip

Innervation: Obturator nerve

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16
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Adductor Brevis

Origin: Inferior pubic ramus

Insertion: Linea aspera

Action: Add hip
Flex hip
IR hip

Innervation: Obturator nerve

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17
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Adductor Magnus
(Anterior)

Origin: Inferior pubic ramus
Ischial ramus

Insertion: Linea aspera

Action: Add hip
Ant: IR hip
Ant: Flex hip

Innervation: Obturator nerve

Adductor Magnus
(Posterior)

Origin: Ischial ramus
Ischial tuberosity

Insertion: Adductor tubercle femur
Add hip

Action:

Post: ER hip
Post: Ext hip

Innervation: Tibial nerve

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18
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Gracilis

Origin: Inferior pubic ramus

Insertion: Med to the Tibial Tuberosity via Pes Anserinus

Action: Add hip
Flex hip
Flex knee
IR tibia

Innervation: Obturator nerve

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19
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Rectus Femoris

Origin: AIIS &
Acetabular roof

Insertion: Tibial tuberosity
via patellar ligament

Action: Flex hip
Ext knee

Innervation: Femoral nerve

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20
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Vastus medialis

Origin: Linea aspera: med lip

Insertion: Tibial tuberosity
via patellar ligament

Action: Ext knee

Innervation: Femoral nerve

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21
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Vastus lateralis

Origin: Linea aspera: lat lip

Insertion: Tibial tuberosity
via patellar ligament

Action: Ext knee

Innervation: Femoral nerve

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22
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Vastus intermedius

Origin: Ant femur

Insertion: Tibial tuberosity
via patellar ligament

Action: Ext knee

Innervation: Femoral nerve

23
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Biceps Femoris (Long head)

Origin: Ischial tub,

Insertion: Head of fibula

Action: Ext hip
Flex knee, ER tibia

Innervation: Tibial nerve

24
Q

Give the name, origin, insertion, action and innervation of the muscle indicated

A

Biceps Femoris
(Short head)

Origin: Linea aspera

Insertion: Head of fibula

Action: Flex knee
ER tibia

Innervation: Common fibular nerve

25
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Semimembranosus** **Origin**: Ischial tuberosity **Insertion**: Med tibial condyle **Action**: Ext hip Flex knee IR tibia **Innervation**: Tibial nerve
26
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Semitendinosus** **Origin**: Ischial tuberosity **Insertion**: Med to the Tibial Tuberosity via Pes Anserinus **Action**: Ext hip Flex knee **Innervation**: IR tibia Tibial nerve
27
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Popliteus** **Origin**: Lat femoral condyle **Insertion**: Post tibial surface **Action**: Flex knee IR tibia ER femur **Innervation**: Tibial nerve
28
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Tibialis Anterior** **Origin**: Lat tibia **Insertion**: Med cuneiform **Action**: DF ankle Invert IT **Innervation**: Deep fibular nerve
29
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Extensor digitorum longus** **Origin**: Ant fibula **Insertion**: Base of middle & distal phalanges 2-5 **Action**: DF ankle Evert IT Ext MTP/IP 2-5 **Innervation**: Deep fibular nerve
30
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Extensor hallicus longus** **Origin**: Med fibula **Insertion**: Base 1st distal phalanx **Action**: DF ankle Evert/Invert IT (STJ) Ext MTP/IP 1 **Innervation**: Deep fibular nerve
31
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Fibularis (peroneus) longus** **Origin**: Prox 2/3 lat fibula **Insertion**: Med cuneiform ``` **Action**: PF ankle Evert IT (STJ) ``` **Innervation**: Superficial fibular nerve
32
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Fibularis (peroneus) brevis** **Origin**: Distal 1/2 lat fibula **Insertion**: Base 5th MT **Action**: PF ankle, Evert IT (STJ) **Innervation**: Superficial fibular nerve
33
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Fibularis (peroneus) tertius** **Origin**: Distal ant fibula **Insertion**: Base of 5th MT **Action**: DF ankle, Evert IT (STJ) **Innervation**: Deep fibular nerve
34
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Soleus** **Origin**: Soleal line tibia **Insertion**: Calcaneal tuberosity via Achilles tendon ``` **Action**: PF ankle Invert IT (STJ) ``` **Innervation**: Tibial nerve
35
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Gastrocnemius** **Origin:** Med epicondyle femur, Lat epicondyle femur **Insertion:** Calcaneal tuberosity via Achilles tendon **Actions:** PF ankle Invert IT (STJ) Flex knee **Innervation:** Tibial nerve
36
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Plantaris** **Origin**: Lat epicondyle femur **Insertion**: Calcaneal tuberosity via Achilles tendon **Action**: Small Contributor PF ankle Invert IT (STJ) Flex knee **Innervation**: Tibial nerve
37
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Tibialis post** **Origin**: Post Tibia IO membrane Post Fibula **Insertion**: Navicular (tuberosity) Med cuneiform ``` **Action**: PF ankle Invert IT (STJ) ``` **Innervation**: Tibial nerve
38
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Flexor digitorum longus** **Origin**: Post tibia **Insertion:** Base distal phalanges 2-5 **Action:** PF ankle Inv IT (STJ) Flex MTP Flex IP 2-5 **Innervation:** Tibial nerve
39
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Flexor hallucis longus** **Origin**: Post fibula **Insertion**: Base distal phalanx 1 **Action**: PF ankle Inv IT (STJ) Flex MTP 1 Flex IP 1 **Innervation**: Tibial nerve
40
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Extensor digitorum brevis** **Origin:** Dorsal surface calcaneus **Insertion:** Base middle phalange 2-4 **Action:** Ext MTP 2-4 Ext PIP 2-4 **Innervation:** Deep fibular nerve
41
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Extensor hallucis brevis** **Origin:** Dorsal surface calcaneus **Insertion:** Base prox phalanx 1 **Action:** Ext MTP 1 **Innervation:** Deep fibular nerve
42
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Abductor hallucis** **Origin:** Med calcaneal tuberosity **Insertion:**Base prox phalanx 1 **Action:** Abd MTP 1 **Innervation:** Med plantar nerve
43
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Flexor hallucis brevis (medial head)** **Origin:** Med cuneiform **Insertion:** Base prox phalanx 1 **Action:** Flex MPT 1 **Innervation:** Med plantar nerve
44
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Flexor hallucis brevis (lat head)** **Origin:** Intermediate cuneiform **Insertion:** Base prox phalanx 1 **Action:** Flex MPT 1 **Innervation:** Lat plantar nerve
45
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Adductor hallucis** **(oblique head)** **Origin:** Base MTs 2-4 **Insertion:** Base prox phalanx 1 **Action:** Add MTP 1 Flex MTP 1 **Innervation:** Lat plantar nerve
46
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Adductor hallucis (transverse head)** **Origin:** Deep transverse MT lig **Insertion:** Base prox phalanx 1 **Action:** Add MTP 1 **Innervation:** Lat plantar nerve
47
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Abductor digiti minimi** **Origin:** Lat calcaneal tuberosity **Insertion:** Base prox phalanx 5 **Action:** Abd MTP 5 **Innervation:** Lat plantar nerve
48
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Flexor digiti minimi (brevis)** **Origin:** Base MT 5 **Insertion:** Base prox phalanx 5 **Action:** Flex MTP 5 **Innervation:** Lat plantar nerve
49
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Flexor digitorum brevis** **Origin:** Calcaneal tuberosity **Insertion:** middle phalanges 2-5 **Action:** Flex MTP 2-5 Flex PIP 2-5 **Innervation:** Med plantar nerve
50
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Quadratus plantae** **Origin**: Calcaneal tuberosity **Insertion**: Lat border FDL tendon **Action**: Redirects and augments pull of FDL **Innervation**: Lat plantar nerve
51
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Lumbricals (1-4)** **Origin:** Med border FDL tendons **Insertion:** Dorsal aponeuroses 2-5 **Action:** Flex MTP 2-5 Ext IP 2-5 Add MTP 2-5 **Innervation:** 1st Lumbrical: Med plantar nerve Lumbricals 2-4: Lat plantar nerve
52
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Plantar interossei (1-3)** **Origin:** Med border MT 3-5 Med **Insertion:** base prox phalanx 3-5 **Action:** Add MT 3-5 **Innervation:** Lat plantar nerve
53
**Give the name, origin, insertion, action and innervation of the muscle indicated**
**Dorsal interossei (1-4)** **Origin:** Two heads from opposing sides MT 1-5 **Insertion:** *First interosseus:* Med base prox phalanx 2 *2-4 interossei:* Lat base prox phalanges 2-4 **Action:** Abd MTP 2-4 **Innervation:** Lat plantar nerve

PT-514 Anatomy (5 decks)

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