Anterior Medial Thigh Flashcards

1
Q

Obturator Externus M. Attachments

A

External margin of obturator foramen

Trochanteric fossa

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2
Q

Sartorius M. Origin

A

ASIS

longest muscle, and most superficial anterior muscle

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3
Q

Adductor Longus M. Innervation

A

Obturator N. (L2-L4)

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4
Q

What spinal roots supply the Common Fibular Nerve?

A

L4-S2

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5
Q

Sartorius M. Innervation

A

Femoral N.

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6
Q

Adductor Longus M. Attachments

A

Body of pubis

Middle 1/3 of linea aspera

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7
Q

What nerve function does the Calcaneal Tendon reflex test for?

A

S1 and S2 nerve roots (also known as ankle-jerk reflex)

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8
Q

Adductor Brevis M. Insertion

A

Obturator N.

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9
Q

What three tendons make up the Pes anserinus?

A
  1. Sartorius tendon
  2. Gracilis tendon
  3. Semiteninosus tendon

(Common insertion for three muscles innervated by 3 diff nerves)

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10
Q

What spinal roots supply the Obturator N?

A

L2 - L4

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11
Q

What can cause Osgood-Schlatter Disease?

A

Repeated stress from a lot of jumping, running, and bending (soccer, basketball, volleyball, ballet)

Stress pulls on the tendon that connects the kneecap to the shinbone. Eventually it will pull away

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12
Q

What tendon is tested during the Patellar reflex?

A

Patellar tendon

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13
Q

Quadriceps Femoris M. Origin

A

Rectus femoris: ASIS

Vasti: shaft of femur

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14
Q

What nerve function does the Patellar Reflex test?

A

Functions of the femoral N. and spinal chord segments L2-L4

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15
Q

What are the two parts of the Adductor Magnus M.?

A
  1. Adductor portion
  2. Hamstring portion

*Largest Adductor muscle!

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16
Q

What is the overall function of the MEDIAL thigh compartment?
What nerve is responsible?

A

Adduction

Obturator N.

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17
Q

Sartorius M. Insertion

A

Pes Anerinus

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18
Q

Adductor Brevis M. Attachment

A

Pubis body & inferior ramus
Proximal linea aspera

(deep to pectineus and adductor longus)

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19
Q

What happens during a groin pull?

A

Strain, stretching, tearing of adductor/flexor muscles

proximal side of muscles are affected!

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20
Q

What is the overall function of the ANTERIOR thigh compartment?
What nerve is responsible?

A

Extension

Femoral N

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21
Q

Iliopsoas M. Innervation

A

Iliacus = Femoral N
Psoas major = L1-L3 ventral rami
Psoas minor = L1 - L2 ventral rami

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22
Q

Gracilis M. Innervation

A

Obturator N.

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23
Q

What is the overall function of the POSTERIOR thigh compartment?
What nerve is responsible?

A

Flexion

Sciatic N

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24
Q

What spinal roots supply the Tibial N?

A

L4- S3

25
Q

Adductor magnus M. Action

A
Hamstring = Adduction, extend thigh
Adductor = Adduction, flex thigh
26
Q

What are the clinical presentations of Osgood-Schlatter Disease?

A

Pain and swelling

Body can develop new bony growth to makeup for the gap, which leads to a bony lump in that spot.

27
Q

What is Hilton’s Law?

A

A joint is innervated by the same nerves

  1. supply the muscles over it, and
  2. supply the skin over the joint
28
Q

What spinal roots supplies the Femoral N?

A

L2- L4

29
Q

What are the SUPERFICIAL medial thigh muscles?

A

Pectineus M
Adductor Longus M
Adductor Brevis M
Gracilis M

30
Q

Which muscles are responsible for adduction of the thigh?

A

Medial and thigh muscles (deep and superficial)

31
Q

Sartorius M. Action

A

Flex, abduct, laterally rotate thigh

Flex leg

32
Q

Adductor Longus M. Action

A

Adduction and flexion of the thigh

33
Q

When would the ankle reflex be virtually absent?

A

If the nerve roots (S1, S2) are cut or compressed.

34
Q

What is the absence/ decrease of patellar reflex known as?

A

Westphal’s sign

35
Q

Adductor magnus M. Origins

A
Hamstring = Ischial tuberosity
Adductor = Ischiopubic ramus
36
Q

What are the DEEP medial thigh muscles?

A
Obturator externus M
Adductor magnus (adductor portion)
Adductor magnus (hamstring portion)
37
Q

Quadriceps Femoris M. Innervation

A

Femoral N.

38
Q

Adductor magnus M. Insertions

A
Hamstring=  Adductor tubercle
Adductor = Gluteal tuberosity, linea aspera
39
Q

Quadriceps Femoris M. Actions

A

**Chief extensors of the leg!
Vasti: extend leg
Rectus femoris: extend leg and flex thigh

40
Q

Obturator Externus M. Innervation

A

Obturator N.

41
Q

Pectineus M. Actions

A

Adduction & flexion of the thigh

42
Q

What muscles make up the Anterior thigh?

A

Iliopsoas
Pectineus
Sartorius
Quadriceps femoris

43
Q

What four muscles make up the Quadriceps Femoris group of muscles?

A

Rectus Femoris
Vastus Medialis
Vastus Lateralis
Vastus Intermedius

44
Q

What do the tendons of all four quadriceps femoris Ms. unite and become?

What does this continue down as?

A

Quadriceps tendon

Patellar Ligament

45
Q

What area is considered the groin region?

A

Junction between trunk and thigh

46
Q

Pectineus M. Innervation

A

Femoral N

and sometimes a branch from the obturator n.

47
Q

What spinal roots supply the Sciatic N?

A

L4 - S3

48
Q

Quadriceps Femoris M. Insertion

A

(all of them) Tibial Tuberosity

49
Q

Adductor Brevis M. Actions

A

Adduction

Flexion of the thigh

50
Q

Adductor magnus M. Innervation

A
Hamstring = Tibial division of sciatic N.
Adductor = Obturator N.
51
Q

Sartorius M. Innervation

A

Femoral N.

52
Q

Gracilis M. Actions

A

Adduction

Flex and medially rotate thigh

53
Q

Iliopsoas M. Insertion

A

Lesser trochanter

54
Q

Gracilis M. Attachments

A

Pubis body & inferior ramus
Top of medial surface of tibia (part of pes anserinus!)

  • Long strap like muscle, only adductor to cross the knee joint!
55
Q

Iliopsoas M. Origin

A

Lateral portion of the bodies of T12-L5

56
Q

Iliopsoas M. Action

A

Chief flexor of the thigh

57
Q

Pectineus M. Attachments

A
Pecten line of pubis (origin)
Pectineal line (insertion)
58
Q

What are the SUPERFICIAL medial thigh muscles?

What is their main function?

A

Pectineus M
Adductor Longus M
Adductor Brevis M
Gracilis M

They are adductors

59
Q

Quadriceps Femoris M. Innervation

A

Femoral N.