Test on the anatomy of the muscles of the pelvic girdle

Assess your knowledge of the anatomy of the muscles of the pelvic girdle. The test strictly assesses their topography, blood supply sources, and innervation areas.

1/20

1. Which nerve innervates the gluteus maximus muscle?

n. gluteus superior

The gluteus maximus is innervated by the inferior gluteal nerve (L5-S2), exiting through the infrapiriform foramen.
n. pudendus

The gluteus maximus is innervated by the inferior gluteal nerve (L5-S2), exiting through the infrapiriform foramen.
n. ischiadicus

The gluteus maximus is innervated by the inferior gluteal nerve (L5-S2), exiting through the infrapiriform foramen.
n. gluteus inferior

The gluteus maximus is innervated by the inferior gluteal nerve (L5-S2), exiting through the infrapiriform foramen.
I find it difficult to answer

The gluteus maximus is innervated by the inferior gluteal nerve (L5-S2), exiting through the infrapiriform foramen.

2. Which artery is the primary source of blood supply to the gluteus medius muscle?

a. gluteus superior

The gluteus medius is primarily supplied by the superior gluteal artery, whose deep branch runs between the gluteus medius and minimus muscles.
a. gluteus inferior

The gluteus medius is primarily supplied by the superior gluteal artery, whose deep branch runs between the gluteus medius and minimus muscles.
a. obturator

The gluteus medius is primarily supplied by the superior gluteal artery, whose deep branch runs between the gluteus medius and minimus muscles.
a. pudendal internal

The gluteus medius is primarily supplied by the superior gluteal artery, whose deep branch runs between the gluteus medius and minimus muscles.
I find it difficult to answer

The gluteus medius is primarily supplied by the superior gluteal artery, whose deep branch runs between the gluteus medius and minimus muscles.

3. What is the innervation of the iliopsoas muscle (m. iliopsoas)?

n. obturator

The iliopsoas muscle is innervated by short muscular branches of the lumbar plexus (Th12-L4) and branches of the femoral nerve.
Muscular branches of the lumbar plexus and n. femoral

The iliopsoas muscle is innervated by short muscular branches of the lumbar plexus (Th12-L4) and branches of the femoral nerve.
n. gluteus superior

The iliopsoas muscle is innervated by short muscular branches of the lumbar plexus (Th12-L4) and branches of the femoral nerve.
n. ischiadicus

The iliopsoas muscle is innervated by short muscular branches of the lumbar plexus (Th12-L4) and branches of the femoral nerve.
I find it difficult to answer

The iliopsoas muscle is innervated by short muscular branches of the lumbar plexus (Th12-L4) and branches of the femoral nerve.

4. Which vessels supply the tensor fasciae latae muscle (m. tensor fasciae latae)?

a. gluteus inferior

The tensor fasciae latae is supplied by branches of the superior gluteal artery and the lateral artery circumflexing the femur.
a. circumflex femoris medialis

The tensor fasciae latae is supplied by branches of the superior gluteal artery and the lateral artery circumflexing the femur.
a. gluteus superior and a. circumflex femoris lateralis

The tensor fasciae latae is supplied by branches of the superior gluteal artery and the lateral artery circumflexing the femur.
a. obturator

The tensor fasciae latae is supplied by branches of the superior gluteal artery and the lateral artery circumflexing the femur.
I find it difficult to answer

The tensor fasciae latae is supplied by branches of the superior gluteal artery and the lateral artery circumflexing the femur.

5. Identify the source of innervation for the piriformis muscle (m. piriformis).

n. gluteus superior

The piriformis muscle receives motor innervation directly from short muscular branches of the sacral plexus (S1-S2).
n. gluteus inferior

The piriformis muscle receives motor innervation directly from short muscular branches of the sacral plexus (S1-S2).
Direct muscular branches of the sacral plexus (S1-S2)

The piriformis muscle receives motor innervation directly from short muscular branches of the sacral plexus (S1-S2).
n. pudendus

The piriformis muscle receives motor innervation directly from short muscular branches of the sacral plexus (S1-S2).
I find it difficult to answer

The piriformis muscle receives motor innervation directly from short muscular branches of the sacral plexus (S1-S2).

6. Which arteries provide blood supply to the internal obturator muscle?

a. gluteus superior

The internal obturator muscle is supplied by branches of the internal pudendal and obturator arteries.
a. pudendal internal and a. obturator

The internal obturator muscle is supplied by branches of the internal pudendal and obturator arteries.
a. pudendal external

The internal obturator muscle is supplied by branches of the internal pudendal and obturator arteries.
a. epigastrica inferior

The internal obturator muscle is supplied by branches of the internal pudendal and obturator arteries.
I find it difficult to answer

The internal obturator muscle is supplied by branches of the internal pudendal and obturator arteries.

7. Which nerve provides motor innervation to the external obturator muscle?

n. obturator

The external obturator muscle is innervated by the obturator nerve (L2-L4), a branch of the lumbar plexus.
n. femoral

The external obturator muscle is innervated by the obturator nerve (L2-L4), a branch of the lumbar plexus.
n. ischiadicus

The external obturator muscle is innervated by the obturator nerve (L2-L4), a branch of the lumbar plexus.
n. quadratus femoris muscle

The external obturator muscle is innervated by the obturator nerve (L2-L4), a branch of the lumbar plexus.
I find it difficult to answer

The external obturator muscle is innervated by the obturator nerve (L2-L4), a branch of the lumbar plexus.

8. Which artery contributes to the blood supply of the quadratus femoris muscle?

a. circumflex femoris lateralis

The quadratus femoris muscle is supplied by the medial artery circumflexing the femur and branches of the inferior gluteal artery.
a. gluteus superior

The quadratus femoris muscle is supplied by the medial artery circumflexing the femur and branches of the inferior gluteal artery.
a. pudendal internal

The quadratus femoris muscle is supplied by the medial artery circumflexing the femur and branches of the inferior gluteal artery.
a. circumflex femoris medialis and a. gluteus inferior

The quadratus femoris muscle is supplied by the medial artery circumflexing the femur and branches of the inferior gluteal artery.
I find it difficult to answer

The quadratus femoris muscle is supplied by the medial artery circumflexing the femur and branches of the inferior gluteal artery.

9. Which nerve innervates the gluteus minimus muscle?

n. gluteus inferior

The gluteus minimus, along with the gluteus medius and tensor fasciae latae, is innervated by the superior gluteal nerve.
n. gluteus superior

The gluteus minimus, along with the gluteus medius and tensor fasciae latae, is innervated by the superior gluteal nerve.
n. piriformis muscle

The gluteus minimus, along with the gluteus medius and tensor fasciae latae, is innervated by the superior gluteal nerve.
n. ischiadicus

The gluteus minimus, along with the gluteus medius and tensor fasciae latae, is innervated by the superior gluteal nerve.
I find it difficult to answer

The gluteus minimus, along with the gluteus medius and tensor fasciae latae, is innervated by the superior gluteal nerve.

10. Which artery leaves the pelvic cavity through the suprapiriform foramen to supply the muscles of the pelvic girdle?

a. gluteus inferior

The superior gluteal artery exits the pelvic cavity through the suprapiriform foramen to supply the gluteal muscles.
a. pudendal internal

The superior gluteal artery exits the pelvic cavity through the suprapiriform foramen to supply the gluteal muscles.
a. gluteus superior

The superior gluteal artery exits the pelvic cavity through the suprapiriform foramen to supply the gluteal muscles.
a. obturator

The superior gluteal artery exits the pelvic cavity through the suprapiriform foramen to supply the gluteal muscles.
I find it difficult to answer

The superior gluteal artery exits the pelvic cavity through the suprapiriform foramen to supply the gluteal muscles.

11. What is the innervation of the superior gemellus muscle?

n. quadratus femoris muscle

The superior gemellus muscle is innervated by the nerve to the internal obturator muscle (a branch of the sacral plexus).
n. gluteus superior

The superior gemellus muscle is innervated by the nerve to the internal obturator muscle (a branch of the sacral plexus).
n. gluteus inferior

The superior gemellus muscle is innervated by the nerve to the internal obturator muscle (a branch of the sacral plexus).
n. muscles of the internal obturator

The superior gemellus muscle is innervated by the nerve to the internal obturator muscle (a branch of the sacral plexus).
I find it difficult to answer

The superior gemellus muscle is innervated by the nerve to the internal obturator muscle (a branch of the sacral plexus).

12. What is the innervation of the inferior gemellus muscle?

n. quadratus femoris muscle

The inferior gemellus muscle is innervated by the nerve to the quadratus femoris muscle (a branch of the sacral plexus).
n. muscles of the internal obturator

The inferior gemellus muscle is innervated by the nerve to the quadratus femoris muscle (a branch of the sacral plexus).
n. pudendus

The inferior gemellus muscle is innervated by the nerve to the quadratus femoris muscle (a branch of the sacral plexus).
n. obturator

The inferior gemellus muscle is innervated by the nerve to the quadratus femoris muscle (a branch of the sacral plexus).
I find it difficult to answer

The inferior gemellus muscle is innervated by the nerve to the quadratus femoris muscle (a branch of the sacral plexus).

13. Which muscle of the pelvic girdle is supplied by the iliacus branch of the iliolumbar artery?

m. gluteus maximus

The iliacus branch of the iliolumbar artery supplies the iliacus muscle (part of the iliopsoas) and the iliac crest.
m. iliacus

The iliacus branch of the iliolumbar artery supplies the iliacus muscle (part of the iliopsoas) and the iliac crest.
m. piriformis

The iliacus branch of the iliolumbar artery supplies the iliacus muscle (part of the iliopsoas) and the iliac crest.
m. obturatorius internus

The iliacus branch of the iliolumbar artery supplies the iliacus muscle (part of the iliopsoas) and the iliac crest.
I find it difficult to answer

The iliacus branch of the iliolumbar artery supplies the iliacus muscle (part of the iliopsoas) and the iliac crest.

14. From which artery does the artery accompanying the sciatic nerve (a. comitans nervi ischiadici) branch from?

a. gluteus inferior

The artery accompanying the sciatic nerve branches from the inferior gluteal artery, supplying the nerve itself and surrounding tissues.
a. gluteus superior

The artery accompanying the sciatic nerve branches from the inferior gluteal artery, supplying the nerve itself and surrounding tissues.
a. pudendal internal

The artery accompanying the sciatic nerve branches from the inferior gluteal artery, supplying the nerve itself and surrounding tissues.
a. deep femoral

The artery accompanying the sciatic nerve branches from the inferior gluteal artery, supplying the nerve itself and surrounding tissues.
I find it difficult to answer

The artery accompanying the sciatic nerve branches from the inferior gluteal artery, supplying the nerve itself and surrounding tissues.

15. From what source does the psoas minor muscle (m. psoas minor) receive innervation?

n. femoral

The small psoas muscle (if present) is innervated by short muscular branches of the lumbar plexus.
n. obturator

The small psoas muscle (if present) is innervated by short muscular branches of the lumbar plexus.
Direct muscular branches of the lumbar plexus (L1-L2)

The small psoas muscle (if present) is innervated by short muscular branches of the lumbar plexus.
n. subcostalis

The small psoas muscle (if present) is innervated by short muscular branches of the lumbar plexus.
I find it difficult to answer

The small psoas muscle (if present) is innervated by short muscular branches of the lumbar plexus.

16. Which artery forms anastomoses around the hip joint and supplies the obturator externus muscle?

a. circumflex femoris lateralis

The medial femoral circumflex artery partakes in the formation of a cruciate anastomosis and supplies the quadratus femoris and obturator externus muscles.
a. circumflex femoris medialis

The medial femoral circumflex artery partakes in the formation of a cruciate anastomosis and supplies the quadratus femoris and obturator externus muscles.
a. circumflexa ilium superficialis

The medial femoral circumflex artery partakes in the formation of a cruciate anastomosis and supplies the quadratus femoris and obturator externus muscles.
a. epigastrica inferior

The medial femoral circumflex artery partakes in the formation of a cruciate anastomosis and supplies the quadratus femoris and obturator externus muscles.
I find it difficult to answer

The medial femoral circumflex artery partakes in the formation of a cruciate anastomosis and supplies the quadratus femoris and obturator externus muscles.

17. For which of the listed muscles is the inferior gluteal nerve the only source of motor innervation?

m. gluteus medius

The inferior gluteal nerve is a motor nerve exclusively for the gluteus maximus muscle.
m. gluteus minimus

The inferior gluteal nerve is a motor nerve exclusively for the gluteus maximus muscle.
m. tensor fasciae latae

The inferior gluteal nerve is a motor nerve exclusively for the gluteus maximus muscle.
m. gluteus maximus

The inferior gluteal nerve is a motor nerve exclusively for the gluteus maximus muscle.
I find it difficult to answer

The inferior gluteal nerve is a motor nerve exclusively for the gluteus maximus muscle.

18. Which nerve exits the pelvic cavity through the infrapiriform foramen along with the vessels of the same name?

n. gluteus superior

The inferior gluteal nerve exits the pelvic cavity through the infrapiriform foramen together with the artery and vein of the same name, along with the sciatic nerve.
n. gluteus inferior

The inferior gluteal nerve exits the pelvic cavity through the infrapiriform foramen together with the artery and vein of the same name, along with the sciatic nerve.
n. obturator

The inferior gluteal nerve exits the pelvic cavity through the infrapiriform foramen together with the artery and vein of the same name, along with the sciatic nerve.
n. femoral

The inferior gluteal nerve exits the pelvic cavity through the infrapiriform foramen together with the artery and vein of the same name, along with the sciatic nerve.
I find it difficult to answer

The inferior gluteal nerve exits the pelvic cavity through the infrapiriform foramen together with the artery and vein of the same name, along with the sciatic nerve.

19. Which vessels primarily supply the deep layers of the gluteus maximus muscle?

a. pudendal internal

The gluteus maximus muscle has ample blood supply through branches of both the inferior and superior gluteal arteries.
a. circumflex femoris lateralis

The gluteus maximus muscle has ample blood supply through branches of both the inferior and superior gluteal arteries.
a. glutea inferior and a. gluteus superior

The gluteus maximus muscle has ample blood supply through branches of both the inferior and superior gluteal arteries.
a. obturator

The gluteus maximus muscle has ample blood supply through branches of both the inferior and superior gluteal arteries.
I find it difficult to answer

The gluteus maximus muscle has ample blood supply through branches of both the inferior and superior gluteal arteries.

20. Which pelvic girdle muscle is innervated by the obturator nerve?

m. obturatorius internus

The obturator nerve innervates the obturator externus muscle, while the obturator internus muscle is innervated by branches of the sacral plexus.
m. piriformis

The obturator nerve innervates the obturator externus muscle, while the obturator internus muscle is innervated by branches of the sacral plexus.
m. quadratus femoris

The obturator nerve innervates the obturator externus muscle, while the obturator internus muscle is innervated by branches of the sacral plexus.
m. obturatorius externus

The obturator nerve innervates the obturator externus muscle, while the obturator internus muscle is innervated by branches of the sacral plexus.
I find it difficult to answer

The obturator nerve innervates the obturator externus muscle, while the obturator internus muscle is innervated by branches of the sacral plexus.