1.2.5.2. Muscles of Hip Joint Extension Flashcards Preview

Nessy Anatomy MSK Lower Limb > 1.2.5.2. Muscles of Hip Joint Extension > Flashcards

Flashcards in 1.2.5.2. Muscles of Hip Joint Extension Deck (33)
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1

What movements can be carried out at the Hip Joint?

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

2

What are the main Extensor Muscles of the Hip Joint?

1. Gluteus Maximus Muscle
2. Semimembranosus Muscle
3. Semitendinosus Muscle
4. Biceps Femoris Muscle

3

Where does the Gluteus Maximus Muscle originate from?

1. Gluteal (Posterior) Surface of the Ilium
2. Gluteal (Posterior) Surface of the Sacrum
3. Gluteal (Posterior) Surface of the Coccyx

4

Where does the Gluteus Maximus Muscle travel?

At a 45 degree angle across the Buttocks

5

Where does the Gluteus Maximus Muscle attach distally?

1. Iliotibial Tract
2. Gluteal Tuberosity of the Femur

6

What is the significance of the Gluteus Maximus Muscle?

1. It is the largest of the Gluteal Muscles
2. It is the most Superficial of the Gluteal Muscles - forming the shape of the Buttocks

7

What is the function of the Gluteus Maximus Muscle?

1. It is the main Extensor of the Hip Joint
2. It assists in Lateral Rotation of the Hip Joint
Note - It is only used when force is required, e.g. running, climbing, squatting

8

What is the innervation of the Gluteus Maximus Muscle?

The Inferior Gluteal Nerve

9

Where is the Semimembranosus Muscle located, in relation to the Semitendinosus Muscle?

Deep

10

Where does the Semimembranosus Muscle originate from?

Ischial Tuberosity of the Pelvis, but more Superiorly than the Semitendinosus and Biceps Femoris Muscles

11

Where does the Semimembranosus Muscle attach distally?

Medial Tibial Condyle

12

What is the function of the Semimembranosus Muscle?

1. Flexion of the Leg at the Knee Joint
2. Extension of the Thigh at the Hip Joint
3. Medial Rotation of the Thigh at the Hip Joint
4. Medial Rotation of the Leg at the Knee Joint

13

What is the innervation of the Semimembranosus Muscle?

Tibial Part of the Sciatic Nerve

14

How is the Semimembranosus Muscle described?

It is Flat and Broad

15

How is the Semitendinosus Muscle described?

It is a largely Tendinous Muscle

16

Where is the Semitendinosus Muscle located, in relation to the Biceps Femoris?

Medially

17

What does the Semitendinosus Muscle cover?

The majority of the Semimembranosus Muscle

18

Where does the Semitendinosus Muscle originate from?

Ischial Tuberosity of the Pelvis

19

Where does the Semitendinosus Muscle attach distally?

Medial Surface of the Tibia

20

What is the function of the Semitendinosus Muscle?

1. Flexion of the Leg at the Knee Joint
2. Extension of the Thigh at the Hip Joint
3. Medially Rotation of the Thigh at the Hip Joint
4. Medially Rotation of the Leg at the Knee Joint

21

What is the innervation of the Semitendinosus Muscle?

Tibial Part of the Sciatic Nerve

22

1. What is the Biceps Femoris Muscle similar to?
2. Why?

1. Biceps Brachii in the Upper Arm
2. The Muscle has 2 Heads

23

What are the 2 Heads of the Biceps Femoris Muscle?

1. Long Head of the Biceps Femoris Muscle
2. Short Head of the Biceps Femoris Muscle

24

Where does the Long Head of the Biceps Femoris Muscle originate from?

Ischial Tuberosity of the Pelvis

25

Where does the Short Head of the Biceps Femoris Muscle originate from?

Linea Aspera on the Posterior Surface of the Femur

26

What do the Long and Short Heads of the Biceps Femoris Muscle form?

A single Tendon, the Tendon of the Biceps Femoris Muscle

27

Where does the Tendon of the Biceps Femoris Muscle attach distally?

Head of the Fibula

28

Where is the Biceps Femoris Muscle located?

It is the Lateral-Most Muscle in the Posterior Thigh

29

Where can the Tendon of the Biceps Femoris Muscle be felt?

Laterally at the Posterior Knee Joint

30

What is the function of the Biceps Femoris Muscle?

1. Flexion of the Leg at the Knee Joint
2. Extension of the Thigh at the Hip Joint
3. Lateral Rotation of the Thigh at the Hip Joint
4. Lateral Rotation of the Leg at the Knee Joint