1.2.5.6. Muscles of Medial Rotation of the Hip Joint

Question 1

What movements can be carried out at the Hip Joint?

Answer 1

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

Question 2

What are the main Muscles of Medial Rotation of the Hip Joint?

Answer 2

1. Gluteus Medius Muscle
2. Gluteus Minimus Muscle
3. Semitendinosus Muscle
4. Semimembranosus Muscle

Question 3

Where is the Gluteus Medius Muscle located?

Answer 3

In between the Gluteus Maximus and the Gluteus Minimus Muscles

Question 4

How is the Gluteus Medius Muscle described?

Answer 4

Fan-Shaped, similar to the Gluteus Minimus Muscle

Question 5

Where does the Gluteus Medius Muscle originate from?

Answer 5

Gluteal Surface of the Ilium

Question 6

Where does the Gluteus Medius Muscle attach distally?

Answer 6

Lateral Surface of the Greater Trochanter of the Femur

Question 7

What is the function of the Gluteus Medius Muscle?

Answer 7

1. Abduction of the Lower Limb at the Hip Joint
2. Medial Rotation of the Lower Limb at the Hip Joint
3. During Locomotion, it secures the Pelvis, preventing Pelvic Drop of the opposite Limb
4. The Posterior Fibers are thought to produce a small amount of Lateral Rotation of the Lower Limb at the Hip Joint

Question 8

What is the innervation of the Gluteus Medius Muscle?

Answer 8

The Superior Gluteal Nerve

Question 9

Where is the Gluteus Minimus Muscle located, in relation to the other Gluteal Muscles?

Answer 9

1. It is the Deepest and Smallest of the Superficial Gluteal Muscles (Gluteus Maximus and Medius Muscles)
2. It is Superficial to the Deep Gluteal Muscles (Piriformis, Gemelli)

Question 10

What is the Gluteus Minimus Muscle’s shape and function similar to?

Answer 10

Gluteus Medius Muscle, it is also Fan-Shaped

Question 11

Where does the Gluteus Minimus Muscle originate from?

Answer 11

Ilium

Question 12

Where does the Gluteus Minimus Muscle attach distally?

Answer 12

It converges to form a Tendon, inserting into the Anterior Side of the Greater Trochanter

Question 13

What is the function of the Gluteus Minimus Muscle?

Answer 13

1. Abduction of the Lower Limb at the Hip Joint
2. Medial Rotation of the Lower Limb at the Hip Joint
3. During Locomotion, it secures the Pelvis, preventing Pelvic Drop of the opposite Limb

Question 14

What is the innervation of the Gluteus Minimus Muscle?

Answer 14

Superior Gluteal Nerve

Question 15

What is located underneath the Gluteus Minimus Muscle?

Answer 15

Deep Gluteal Muscles (Superior to Inferior):
1. Piriformis
2. Obturator Internus
3. Superior and Inferior Gemelli Muscles
4. Quadratus Femoris

Question 16

How is the Semitendinosus Muscle described?

Answer 16

It is a largely Tendinous Muscle

Question 17

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

Answer 17

Medially

Question 18

What does the Semitendinosus Muscle cover?

Answer 18

The majority of the Semimembranosus Muscle

Question 19

Where does the Semitendinosus Muscle originate from?

Answer 19

Ischial Tuberosity of the Pelvis

Question 20

Where does the Semitendinosus Muscle attach distally?

Answer 20

Medial Surface of the Tibia

Question 21

What is the function of the Semitendinosus Muscle?

Answer 21

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

Question 22

What is the innervation of the Semitendinosus Muscle?

Answer 22

Tibial Part of the Sciatic Nerve

Question 23

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

Answer 23

Deep

Question 24

Where does the Semimembranosus Muscle originate from?

Answer 24

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

Question 25

Where does the Semimembranosus Muscle attach distally?

Answer 25

Medial Tibial Condyle

Question 26

What is the function of the Semimembranosus Muscle?

Answer 26

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

Question 27

What is the innervation of the Semimembranosus Muscle?

Answer 27

Tibial Part of the Sciatic Nerve

Question 28

How is the Semimembranosus Muscle described?

Answer 28

It is Flat and Broad