1.2.5.1. Muscles of Hip Joint Flexion Flashcards

1
Q

What movements can be carried out at the Hip Joint?

A
  1. Flexion
  2. Extension
  3. Abduction
  4. Adduction
  5. Lateral Rotation
  6. Medial Rotation
  7. Circumduction
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2
Q

What are the main Flexors of the Hip Joint?

A
  1. Iliopsoas Muscle
  2. Rectus Femoris Muscle
  3. Sartorius Muscle
  4. Pectineus Muscle
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3
Q

How many muscles is the Iliopsoas Muscle?

A

2

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4
Q

What are the 2 Muscles which form the Iliopsoas Muscle?

A
  1. Psoas Major Muscle

2. Iliacus Muscle

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5
Q

What happens to the Psoas Major and Iliacus Muscle?

A

They come together to form a tendon, hence why they are sometimes referred to as one muscle

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6
Q

Where does the Psoas Major Muscle originate from?

A

The Vertebral Bodies, and associated Interverterbral Disks of:

  1. T12
  2. L1
  3. L2
  4. L3
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7
Q

Where does the Iliacus Muscle originate from?

A

The Iliac Fossa of the Pelvis

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8
Q

Where do the Psoas Major and Iliacus Muscles merge, to form the Iliopsoas Muscle?

A

In the Thigh

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9
Q

Where does the Iliopsoas Muscle attach distally?

A

The Lesser Trochanter of the Femur

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10
Q

What is the function of the Iliopsoas Muscle?

A
  1. Flexion of the Lower Limb at the Hip Joint

2. Assists in Lateral Rotation of the Lower Limb at the Hip Joint

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11
Q

What is the innervation of the Psoas Major Muscle?

A

Anterior Rami of L1-L3

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12
Q

What is the innervation of the Iliacus Muscle?

A

Femoral Nerve

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13
Q

Where does the Rectus Femoris Muscle originate from?

A

The Ilium, immediately superior to the Acetabulum

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14
Q

Where does the Rectus Femoris Muscle travel?

A

Straight down the Leg

Note - Latin for Straight is Rectus

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15
Q

Where does the Rectus Femoris Muscle attach distally?

A

The Patella, via the Quadriceps Tendon

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16
Q

What is the function of the Rectus Femoris Muscle?

A
  1. Flexion of the Lower Limb at the Hip Joint

2. Extension of the Knee Joint

17
Q

What is the innervation of the Rectus Femoris Muscle?

A

The Femoral Nerve

18
Q

Where does the Sartorius Muscle originate from?

A

Anterior Superior Iliac Spine

19
Q

Where does the Sartorius Muscle attach distally?

A

Superior, Medial surface of the Tibia

20
Q

What is significant about the Sartorius Muscle?

A

It is the longest Muscle in the Body

21
Q

Where does the Sartorius Muscle travel?

A
  1. Across the Thigh, Inferomedially

2. More Superficially than other Muscles in the Leg

22
Q

What is the function of the Sartorius Muscle?

A
  1. Flexion of the Hip Joint
  2. Abduction of the Hip Joint
  3. Lateral Rotation of the Hip Joint
  4. Flexion of the Knee Joint
23
Q

What is the innervation of the Sartorius Muscle?

A

The Femoral Nerve

24
Q

Where is the Pectineus Muscle located, and what does this form?

A

Base of the Femoral Triangle

25
Q

Where does the Pectineus Muscle originate from?

A

Pectineal Line of the Anterior Surface of the Pelvis

26
Q

Where does the Pectineus Muscle attach distally?

A

Pectineal Line of the Posterior Surface of the Femur, just inferior to the Lesser Trochanter

27
Q

What is the function of the Pectineus Muscle?

A
  1. Adduction of the Hip Joint

2. Flexion of the Hip Joint

28
Q

What is significant about the innervation of the Pectineus Muscle?

A

It has dual innervation, so can be considered a transitional muscle between the Anterior and Medial Compartments of the Thigh

29
Q

What is the innervation of the Pectineus Muscle?

A
  1. Femoral Nerve

2. It may also receive a branch from the Obturator Nerve