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Anatomy > Medial/Posterior Thigh muscles & Lower Quadrant Review > Flashcards

Medial/Posterior Thigh muscles & Lower Quadrant Review Flashcards

1
Q

Pectineus (Attachment)

A

-Superior/Proximal Attachment: anterior pubic bone (pectineal line)
-Inferior/Distal Attachment: just inferior to the lesser trochanter

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2
Q

Pectineus (Action)

A

-Hip Adduction
-Hip Flexion (weak)

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3
Q

Adductor Brevis (Attachment)

A

Superior/Proximal Attachment: anterior pubic bone
Inferior/Distal Attachment: proximal linea aspera

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4
Q

Adductor Brevis (Action)

A

-Hip Adduction
-Hip Flexion (weak)

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5
Q

Adductor Longus (Attachment)

A

Superior/Proximal Attachment: anterior pubic bone
Inferior/Distal Attachment: linea aspera (middle 1/3rd)

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6
Q

Adductor Longus (Action)

A

-Hip Adduction
-Hip Flexion (weak)

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7
Q

Gracilis (Attachment)

A

Superior/Proximal Attachment: anterior pubic bone
Inferior/Distal Attachment: proximal anteromedial tibia (one of the pes anserinus tendons)

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8
Q

Gracilis (Action)

A

-Hip Adduction
-Knee Flexion
-Knee Medial Rotation

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9
Q

What Muscle is most Medial out of all the Adductors?

A

Gracilis

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10
Q

What is the Only Hip Adductor that Crosses the Knee?

A

Gracilis

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11
Q

What are the 3 Pes Anserinus Muscles?

A
  1. Sartorious
  2. Gracilis
  3. Semitendinosis
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12
Q

Adductor Magnus - Anterior Fibres (Attachment)

A

-Superior/Proximal Attachment: anterior pubic bone
-Inferior/Distal Attachment: linea aspera

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13
Q

Adductor Magnus - Anterior Fibres (Action)

A

-Hip Adduction
-Hip Flexion

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14
Q

Adductor Magnus - Posterior Fibres (Attachment)

A

-Superior/Proximal Attachment: ischial tuberosity
-Inferior/Distal Attachment: adductor tubercle
*Note: In the inferior attachment of adductor magnus (about hand with above the adductor tubercle), is an opening called the adductor hiatus which allows for blood vessels to pass through

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15
Q

In the inferior attachment of adductor magnus (about hand with above the adductor tubercle), is an opening called the ___________________ which allows for __________________________________.

A

adductor hiatus, blood vessels to pass through

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16
Q

Adductor Magnus - Posterior Fibres (Action)

A

-Hip Adduction
-Hip Extension

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17
Q

Biceps Femoris - Long Head (Attachment)

A

-Superior/Proximal Attachment: ischial tuberosity
-Inferior/Distal Attachment: fibular head

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18
Q

Biceps Femoris - Long Head (Action)

A

-Hip Extension (and lateral rotation)
-Knee Flexion
-Knee Lateral Rotation

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19
Q

All of the Hamstrings are Prime Movers for _________________ and Synergists to Glute Max for _________________.

A

Knee Flexion, Extension

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20
Q

Biceps Femoris - Short Head (Attachment)

A

-Superior/Proximal Attachment: linea aspera (mid shaft)
-Inferior/Distal Attachment: fibular head

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21
Q

Biceps Femoris - Short Head (Action)

A

-Knee Flexion
-Knee Lateral Rotation

22
Q

Semitendinosus (Attachment)

A

-Superior/Proximal Attachment: ischial tuberosity
-Inferior/Distal Attachment: proximal anteromedial tibia (one off the pes anserinus tendons)

23
Q

Semitendinosus (Action)

A

-Hip Extension (and medial rotation)
-Knee Flexion
-Knee Medial Rotation

24
Q

Semimembranosus (Attachment)

A

-Superior/Proximal Attachment: ischial tuberosity
-Inferior/Distal Attachment: posterior aspect of the medial condyle of the tibia

25
Q

Semimembranosus (Action)

A

-Hip Extension (and medial rotation)
-Knee flexion
-Knee medial rotation

26
Q

What Muscles are Knee Flexors?

A

Hamstrings, Gastrocnemius, Popliteus, Sartorious

27
Q

What Muscles are Knee Extensors?

A

Quadriceps

28
Q

What Muscles are External Rotators of the knee?

A

Biceps Femoris

29
Q

What Muscles are Internal Rotators of the knee?

A

Semimembranosus, Semitendinosus, Gracilis

30
Q

What are the Dorsiflexors of the Ankle (Talocrural Joint)?

A

Tibialis Anterior, EDL, EHL, Peroneus Tertius

31
Q

What are the Plantarflexors of the Ankle (Talocrural Joint)?

A

Triceps Surae, Plantaris, Peroneus Longus/Brevis, Tibialis Posterior, FHL FDL

32
Q

What are the Inverters of the Ankle (Subtalar Joint)?

A

Tibialis Anterior, Tibialis Posterior

33
Q

What are the Everters of the Ankle (Subtalar Joint)?

A

Peroneus Longus/Brevis/Tertius, EDL

34
Q

What are the Flexors of the Metatarsophalangeal Joints?

A

FHL, FHB, FDL, FDB, Lumbricales

35
Q

What are the Extensors of the Metatarsophalangeal Joints?

A

EDL, EDB, EHL, EHB

36
Q

What are the Abductors of the Metatarsophalangeal Joints?

A

Dorsal Interossei

37
Q

What are the Adductors of the Metatarsophalangeal Joints?

A

Plantar Interossei

38
Q

What are the PIP Flexors of the Interphalangeal Joints?

A

FDL, FDB

39
Q

What are the DIP Flexors of the Interphalangeal Joints?

A

FDL

40
Q

What are the PIP Extensors of the Interphalangeal Joints?

A

EDL, EDB, Lumbricales

41
Q

What are the DIP Extensors of the Interphalangeal Joints?

A

EDL, Lumbricales

42
Q

What are the 1st toe IP Flexors of the Interphalangeal Joints?

A

FHL, FHB

43
Q

What are the 1st toe IP Extensors of the Interphalangeal Joints?

A

EHB, Lumbricales

44
Q

What are the Flexors of the Hip?

A

Prime Mover: Iliopsoas (Psoas Major, Iliacus)
Synergists: Rectus Femoris, TFL, Pectineus, Adductor Longus, Adductor Brevis, Adductor Magnus (Anterior Fibres), Sartorius

45
Q

What are the Extensors of the Hip?

A

Prime Mover: Maximus
Synergists: Hamstrings, (Except Biceps Femoris Short Head), Adductor Magnus (Posterior Fibres)

46
Q

What are the Abductors of the Hip?

A

Prime Mover: Medius
Synergists: Gluteus Minimus Sartorius

47
Q

What are the Adductors of the Hip?

A

Prime Mover:Magnus
Synergists: Adductor Longus, Adductor Brevis, Gracilis

48
Q

What are the External Rotators of the Hip?

A

Prime Mover: Maximus
Synergists: Gemellus Superior, Gemellus Inferior, Obturator Internus, Obturator Externus, Quadratus Femoris, Gluteus Medius (Posterior Fibres), Sartorius

49
Q

What are the Internal Rotators of the Hip?

A

Prime Mover: TFL
Synergists: Gluteus Medius (Anterior Fibres), Gluteus Minimus (Anterior Fibres), Piriformis (With Hip Flexed)

50
Q

What is the Femoral Triangle?

A

Depression in the sueromedial thigh (inferior to the inguinal ligament) observable during hip flexion

51
Q

What are the Boundaries of the Femoral Triangle?

A

Superiorly: Inguinal Ligament
Medially: Adductor Longus
Laterally: Sartorius
Floor (Medial to Lateral): Pectineus, Iliopsoas
Roof: Fascia Lata
Contents: Femoral A., Femoral V., Femoral N.

Anatomy (22 decks)

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