Test on the anatomy of the foot muscles

Assess your knowledge of the anatomy of the foot muscles. The test evaluates the innervation and blood supply of the dorsal and plantar muscle groups, arches, and anastomoses.

1/20

1. Which nerve innervates the extensor digitorum brevis (m. extensor digitorum brevis)?

Deep fibular nerve.

The short extensors on the dorsum of the foot are innervated by the deep fibular nerve.
Superficial fibular nerve.

The short extensors on the dorsum of the foot are innervated by the deep fibular nerve.
Sural nerve.

The short extensors on the dorsum of the foot are innervated by the deep fibular nerve.
Medial plantar nerve

The short extensors on the dorsum of the foot are innervated by the deep fibular nerve.
I find it difficult to answer

The short extensors on the dorsum of the foot are innervated by the deep fibular nerve.

2. Which artery is the main source of blood supply to the muscle abducting the big toe (m. abductor hallucis)?

Lateral plantar artery

The muscle abducting the big toe is located medially and is vascularized by the medial plantar artery.
Dorsalis pedis artery

The muscle abducting the big toe is located medially and is vascularized by the medial plantar artery.
Medial plantar artery

The muscle abducting the big toe is located medially and is vascularized by the medial plantar artery.
Fibular artery

The muscle abducting the big toe is located medially and is vascularized by the medial plantar artery.
I find it difficult to answer

The muscle abducting the big toe is located medially and is vascularized by the medial plantar artery.

3. Indicate the nerve that innervates the plantar interosseous muscles (mm. interossei plantares).

Medial plantar nerve

All the interosseous muscles of the foot are innervated by the lateral plantar nerve.
Sural nerve.

All the interosseous muscles of the foot are innervated by the lateral plantar nerve.
Saphenous nerve.

All the interosseous muscles of the foot are innervated by the lateral plantar nerve.
Lateral plantar nerve

All the interosseous muscles of the foot are innervated by the lateral plantar nerve.
I find it difficult to answer

All the interosseous muscles of the foot are innervated by the lateral plantar nerve.

4. Which foot muscle is innervated by the medial plantar nerve?

Quadratus plantae muscle.

The medial plantar nerve innervates the flexor digitorum brevis, the abductor hallucis, the flexor hallucis brevis, and the first lumbrical muscle
Flexor digitorum brevis muscle.

The medial plantar nerve innervates the flexor digitorum brevis, the abductor hallucis, the flexor hallucis brevis, and the first lumbrical muscle
Abductor digiti minimi muscle

The medial plantar nerve innervates the flexor digitorum brevis, the abductor hallucis, the flexor hallucis brevis, and the first lumbrical muscle
The adductor hallucis muscle

The medial plantar nerve innervates the flexor digitorum brevis, the abductor hallucis, the flexor hallucis brevis, and the first lumbrical muscle
I find it difficult to answer

The medial plantar nerve innervates the flexor digitorum brevis, the abductor hallucis, the flexor hallucis brevis, and the first lumbrical muscle

5. Which vascular bed supplies blood to the extensor hallucis brevis (m. extensor hallucis brevis)?

Dorsalis pedis artery

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery.
Medial plantar artery

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery.
Lateral plantar artery

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery.
Posterior tibial artery.

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery.
I find it difficult to answer

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery.

6. Indicate the source of innervation for the quadratus plantae muscle (m. quadratus plantae).

Medial plantar nerve

The quadratus plantae muscle is innervated by branches of the lateral plantar nerve.
Deep fibular nerve.

The quadratus plantae muscle is innervated by branches of the lateral plantar nerve.
Lateral plantar nerve

The quadratus plantae muscle is innervated by branches of the lateral plantar nerve.
Sural nerve.

The quadratus plantae muscle is innervated by branches of the lateral plantar nerve.
I find it difficult to answer

The quadratus plantae muscle is innervated by branches of the lateral plantar nerve.

7. Which artery supplies blood to the muscle flexing the little toe (m. flexor digiti minimi brevis)?

Medial plantar artery

The lateral plantar muscle group is vascularized by the lateral plantar artery.
Dorsalis pedis artery

The lateral plantar muscle group is vascularized by the lateral plantar artery.
Perforating branch of the fibular artery

The lateral plantar muscle group is vascularized by the lateral plantar artery.
Lateral plantar artery

The lateral plantar muscle group is vascularized by the lateral plantar artery.
I find it difficult to answer

The lateral plantar muscle group is vascularized by the lateral plantar artery.

8. Which lumbrical muscle of the foot is innervated by the medial plantar nerve?

Second lumbrical muscle

Only the first (medial) lumbrical muscle is innervated by the medial plantar nerve.
First lumbrical muscle

Only the first (medial) lumbrical muscle is innervated by the medial plantar nerve.
Third lumbrical muscle

Only the first (medial) lumbrical muscle is innervated by the medial plantar nerve.
Fourth lumbrical muscle

Only the first (medial) lumbrical muscle is innervated by the medial plantar nerve.
I find it difficult to answer

Only the first (medial) lumbrical muscle is innervated by the medial plantar nerve.

9. Which nerve provides motor innervation to the adductor hallucis muscle (m. adductor hallucis)?

Lateral plantar nerve

The deep branch of the lateral plantar nerve innervates the adductor hallucis muscle.
Medial plantar nerve

The deep branch of the lateral plantar nerve innervates the adductor hallucis muscle.
Deep fibular nerve.

The deep branch of the lateral plantar nerve innervates the adductor hallucis muscle.
Sural nerve.

The deep branch of the lateral plantar nerve innervates the adductor hallucis muscle.
I find it difficult to answer

The deep branch of the lateral plantar nerve innervates the adductor hallucis muscle.

10. Which artery branches form the deep plantar arch (arcus plantaris profundus) that participates in the blood supply to the interosseous muscles?

Only the medial plantar artery

The deep plantar arch is formed by the anastomosis of the lateral plantar artery and the deep plantar branch of the dorsalis pedis artery.
The medial plantar and fibular arteries

The deep plantar arch is formed by the anastomosis of the lateral plantar artery and the deep plantar branch of the dorsalis pedis artery.
The lateral plantar and the deep plantar branches of the dorsalis pedis artery

The deep plantar arch is formed by the anastomosis of the lateral plantar artery and the deep plantar branch of the dorsalis pedis artery.
The dorsalis pedis artery and the anterior tibial artery

The deep plantar arch is formed by the anastomosis of the lateral plantar artery and the deep plantar branch of the dorsalis pedis artery.
I find it difficult to answer

The deep plantar arch is formed by the anastomosis of the lateral plantar artery and the deep plantar branch of the dorsalis pedis artery.

11. Which of the listed muscles is innervated by the lateral plantar nerve?

Flexor hallucis brevis

The muscle that abducts the little toe belongs to the lateral plantar group and is innervated by the lateral plantar nerve.
Flexor digitorum brevis muscle.

The muscle that abducts the little toe belongs to the lateral plantar group and is innervated by the lateral plantar nerve.
Abductor hallucis muscle.

The muscle that abducts the little toe belongs to the lateral plantar group and is innervated by the lateral plantar nerve.
Abductor digiti minimi muscle.

The muscle that abducts the little toe belongs to the lateral plantar group and is innervated by the lateral plantar nerve.
I find it difficult to answer

The muscle that abducts the little toe belongs to the lateral plantar group and is innervated by the lateral plantar nerve.

12. Indicate the plantar muscle receiving innervation from the medial plantar nerve.

Abductor digiti minimi muscle

The flexor hallucis brevis is innervated by the medial plantar nerve.
Flexor hallucis brevis

The flexor hallucis brevis is innervated by the medial plantar nerve.
Quadratus plantae muscle.

The flexor hallucis brevis is innervated by the medial plantar nerve.
Third lumbrical muscle

The flexor hallucis brevis is innervated by the medial plantar nerve.
I find it difficult to answer

The flexor hallucis brevis is innervated by the medial plantar nerve.

13. From which artery does the flexor digitorum brevis (m. flexor digitorum brevis) primarily receive its blood supply?

Medial and lateral plantar arteries

The flexor digitorum brevis is located in the central position and is vascularized by branches of both plantar arteries.
Dorsalis pedis artery

The flexor digitorum brevis is located in the central position and is vascularized by branches of both plantar arteries.
Fibular artery

The flexor digitorum brevis is located in the central position and is vascularized by branches of both plantar arteries.
Medial malleolar network

The flexor digitorum brevis is located in the central position and is vascularized by branches of both plantar arteries.
I find it difficult to answer

The flexor digitorum brevis is located in the central position and is vascularized by branches of both plantar arteries.

14. The innervation of the dorsal interosseous muscles of the foot (mm. interossei dorsales) is by:

The deep fibular nerve.

All the interosseous muscles of the foot (both dorsal and plantar) are innervated by the deep branch of the lateral plantar nerve.
The superficial fibular nerve

All the interosseous muscles of the foot (both dorsal and plantar) are innervated by the deep branch of the lateral plantar nerve.
The lateral plantar nerve.

All the interosseous muscles of the foot (both dorsal and plantar) are innervated by the deep branch of the lateral plantar nerve.
The medial plantar nerve.

All the interosseous muscles of the foot (both dorsal and plantar) are innervated by the deep branch of the lateral plantar nerve.
I find it difficult to answer

All the interosseous muscles of the foot (both dorsal and plantar) are innervated by the deep branch of the lateral plantar nerve.

15. Which artery supplies blood to the adductor hallucis muscle (m. adductor hallucis)?

Medial plantar artery

This deep plantar muscle receives nourishment from the lateral plantar artery and the deep plantar arch.
Dorsalis pedis artery

This deep plantar muscle receives nourishment from the lateral plantar artery and the deep plantar arch.
Lateral tarsal artery

This deep plantar muscle receives nourishment from the lateral plantar artery and the deep plantar arch.
Lateral plantar artery and plantar arch

This deep plantar muscle receives nourishment from the lateral plantar artery and the deep plantar arch.
I find it difficult to answer

This deep plantar muscle receives nourishment from the lateral plantar artery and the deep plantar arch.

16. Which foot muscle is innervated by the deep fibular nerve?

Flexor digitorum brevis muscle.

The deep fibular nerve innervates the dorsal foot muscles, including the extensor hallucis brevis.
Extensor hallucis brevis

The deep fibular nerve innervates the dorsal foot muscles, including the extensor hallucis brevis.
Quadratus plantae muscle.

The deep fibular nerve innervates the dorsal foot muscles, including the extensor hallucis brevis.
First lumbrical muscle

The deep fibular nerve innervates the dorsal foot muscles, including the extensor hallucis brevis.
I find it difficult to answer

The deep fibular nerve innervates the dorsal foot muscles, including the extensor hallucis brevis.

17. The blood supply to the second, third, and fourth lumbrical muscles of the foot is provided by branches of:

Lateral plantar artery

The lateral lumbrical muscles receive blood from branches of the lateral plantar artery.
The medial plantar artery

The lateral lumbrical muscles receive blood from branches of the lateral plantar artery.
Dorsalis pedis artery

The lateral lumbrical muscles receive blood from branches of the lateral plantar artery.
The anterior tibial artery

The lateral lumbrical muscles receive blood from branches of the lateral plantar artery.
I find it difficult to answer

The lateral lumbrical muscles receive blood from branches of the lateral plantar artery.

18. Which nerve innervates the opponens digiti minimi muscle (m. opponens digiti minimi), if present?

The medial plantar nerve.

All the muscles of the little toe eminence are innervated by the lateral plantar nerve.
The sural nerve.

All the muscles of the little toe eminence are innervated by the lateral plantar nerve.
The lateral plantar nerve.

All the muscles of the little toe eminence are innervated by the lateral plantar nerve.
The superficial fibular nerve

All the muscles of the little toe eminence are innervated by the lateral plantar nerve.
I find it difficult to answer

All the muscles of the little toe eminence are innervated by the lateral plantar nerve.

19. Which arterial arch participates in the blood supply to the short extensors of the toes on the dorsal surface of the foot?

The deep plantar arch

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery, including the arcuate artery.
Superficial plantar arch

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery, including the arcuate artery.
Popliteal arch

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery, including the arcuate artery.
Arcuate artery (a. arcuata)

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery, including the arcuate artery.
I find it difficult to answer

The dorsal foot muscles are vascularized by branches of the dorsalis pedis artery, including the arcuate artery.

20. Indicate the nerve that divides into superficial and deep branches to innervate most of the plantar muscles:

Medial plantar nerve

The lateral plantar nerve innervates most of the foot's plantar muscles, dividing into deep and superficial branches.
Lateral plantar nerve

The lateral plantar nerve innervates most of the foot's plantar muscles, dividing into deep and superficial branches.
Saphenous nerve.

The lateral plantar nerve innervates most of the foot's plantar muscles, dividing into deep and superficial branches.
Sural nerve.

The lateral plantar nerve innervates most of the foot's plantar muscles, dividing into deep and superficial branches.
I find it difficult to answer

The lateral plantar nerve innervates most of the foot's plantar muscles, dividing into deep and superficial branches.