Podcast
Questions and Answers
Which intrinsic foot muscle is responsible for the abduction of the MTP joint of the first toe?
Which intrinsic foot muscle is responsible for the abduction of the MTP joint of the first toe?
- Abductor hallucis (correct)
- Flexor digitorum brevis
- Quadratus plantae
- Abductor digiti minimi
What is the primary action of the flexor digitorum brevis?
What is the primary action of the flexor digitorum brevis?
- Abduction of the MTP joint 5
- Extension of the MTP joint 1
- Flexion of the MTP and DIP joints 2-5 (correct)
- Medial rotation of the fifth toe
Which nerve innervates the abductor digiti minimi?
Which nerve innervates the abductor digiti minimi?
- Deep peroneal nerve
- Lateral plantar nerve (correct)
- Sural nerve
- Medial plantar nerve
Which muscle assists in the flexion of the MTP joint of the fifth toe?
Which muscle assists in the flexion of the MTP joint of the fifth toe?
What actions are performed by the abductor digiti minimi?
What actions are performed by the abductor digiti minimi?
Which intrinsic foot muscle has its primary action as the flexion of the metatarsophalangeal joints of toes 2-5?
Which intrinsic foot muscle has its primary action as the flexion of the metatarsophalangeal joints of toes 2-5?
What is the nerve supply for the abductor hallucis muscle?
What is the nerve supply for the abductor hallucis muscle?
Which action is performed by the abductor digiti minimi?
Which action is performed by the abductor digiti minimi?
Which of the following intrinsic foot muscles is primarily responsible for the abduction of the first metatarsophalangeal joint?
Which of the following intrinsic foot muscles is primarily responsible for the abduction of the first metatarsophalangeal joint?
Which nerve innervates the flexor digitorum brevis?
Which nerve innervates the flexor digitorum brevis?
Study Notes
Intrinsic Foot Muscles: 1st Layer
-
Abductor Hallucis
- Innervated by the medial plantar nerve (S1, S2)
- Responsible for abduction of the metatarsophalangeal (MTP) joint of the first toe
-
Flexor Digitorum Brevis
- Also innervated by the medial plantar nerve (S1, S2)
- Facilitates flexion at both the MTP and distal interphalangeal (DIP) joints for toes 2-5
-
Abductor Digiti Minimi
- Innervated by the lateral plantar nerve (S2, S3)
- Functions include abduction of the MTP joint of the fifth toe
- Assists in flexion at the MTP joint of the fifth toe
Intrinsic Foot Muscles: 1st Layer
-
Abductor Hallucis
- Innervated by the medial plantar nerve (S1, S2)
- Responsible for abduction of the metatarsophalangeal (MTP) joint of the first toe
-
Flexor Digitorum Brevis
- Also innervated by the medial plantar nerve (S1, S2)
- Facilitates flexion at both the MTP and distal interphalangeal (DIP) joints for toes 2-5
-
Abductor Digiti Minimi
- Innervated by the lateral plantar nerve (S2, S3)
- Functions include abduction of the MTP joint of the fifth toe
- Assists in flexion at the MTP joint of the fifth toe
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Description
Test your knowledge on the intrinsic foot muscles, specifically the first layer. This quiz covers key muscles like the Abductor Hallucis, Flexor Digitorum Brevis, and Abductor Digiti Minimi, including their innervation and functions. Challenge yourself to recall their roles in foot movement and anatomy.
