Foot Muscles Mcqs

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  1. Which digits does the extensor digitorum brevis (EDB) muscle help extend?
    A) 1 through 4
    B) 2 through 4
    C) 2 through 5
    D) 1 through 3Answer: B) 2 through 4
  1. What is the origin of the extensor digitorum brevis (EDB) muscle?
    A) Medial cuneiform bone
    B) Navicular bone
    C) Superolateral surface of calcaneus bone
    D) Inferior surface of the talusAnswer: C) Superolateral surface of calcaneus bone
  1. Where does the extensor digitorum brevis (EDB) muscle insert?
    A) Distal phalanges of toes 1-4
    B) Proximal phalanges of toes 2-4
    C) Middle phalanges of toes 2-4
    D) Metatarsal heads of digits 1-5Answer: C) Middle phalanges of toes 2-4
  1. Which nerve innervates the extensor digitorum brevis (EDB) muscle?
    A) Superficial fibular nerve
    B) Deep fibular/peroneal nerve
    C) Tibial nerve
    D) Sural nerveAnswer: B) Deep fibular/peroneal nerve
  1. The extensor digitorum brevis (EDB) muscle primarily acts on which joint?
    A) Proximal interphalangeal joints of digits 1-4
    B) Metatarsophalangeal joints of digits 2-4
    C) Distal interphalangeal joints of digits 2-4
    D) Ankle jointAnswer: C) Distal interphalangeal joints of digits 2-4
  1. Which toe is extended by the extensor hallucis brevis muscle?
    A) Second toe
    B) Third toe
    C) Fourth toe
    D) Great toeAnswer: D) Great toe
  1. What is the origin of the extensor hallucis brevis muscle?
    A) Medial cuneiform bone
    B) Superolateral surface of calcaneus bone
    C) Inferior surface of the talus
    D) Lateral malleolusAnswer: B) Superolateral surface of calcaneus bone
  1. Where does the extensor hallucis brevis muscle insert?
    A) Distal phalanx of the great toe
    B) Proximal phalanx of the great toe
    C) Middle phalanx of the second toe
    D) Metatarsal head of the great toeAnswer: B) Proximal phalanx of the great toe
  1. Which nerve innervates the extensor hallucis brevis muscle?
    A) Superficial fibular nerve
    B) Tibial nerve
    C) Deep fibular/peroneal nerve
    D) Saphenous nerveAnswer: C) Deep fibular/peroneal nerve
  1. The extensor hallucis brevis muscle primarily acts on which joint?
    A) Interphalangeal joint of the great toe
    B) Distal interphalangeal joint of the second toe
    C) Metatarsophalangeal joint of the great toe
    D) Ankle jointAnswer: C) Metatarsophalangeal joint of the great toe
  1. Which of the following muscles is part of the lateral group of plantar foot muscles?
    A) Flexor digitorum brevis
    B) Abductor hallucis
    C) Abductor digiti minimi
    D) Quadratus plantaeAnswer: C) Abductor digiti minimi
  1. Which muscle is part of the central group of plantar foot muscles?
    A) Opponens digiti minimi
    B) Plantar interossei
    C) Abductor hallucis
    D) Flexor hallucis brevisAnswer: B) Plantar interossei
  1. Which muscle is part of the medial group of plantar foot muscles?
    A) Quadratus plantae
    B) Dorsal interossei
    C) Abductor hallucis
    D) Flexor digiti minimi brevisAnswer: C) Abductor hallucis
  1. Which muscle is included in the first layer of plantar foot muscles?
    A) Lumbricals
    B) Flexor digitorum brevis
    C) Dorsal interossei
    D) Adductor hallucisAnswer: B) Flexor digitorum brevis
  1. The second layer of plantar foot muscles includes which of the following?
    A) Abductor hallucis
    B) Quadratus plantae
    C) Flexor hallucis brevis
    D) Opponens digiti minimiAnswer: B) Quadratus plantae
  1. Which muscle is part of the third layer of plantar foot muscles?
    A) Lumbricals
    B) Abductor digiti minimi
    C) Flexor hallucis brevis
    D) Plantar interosseiAnswer: C) Flexor hallucis brevis
  1. Which group of muscles acts upon the fifth toe?
    A) Medial plantar muscles
    B) Central plantar muscles
    C) Lateral plantar muscles
    D) Dorsal interosseiAnswer: C) Lateral plantar muscles
  1. Which of the following is a lateral plantar muscle?
    A) Abductor hallucis
    B) Abductor digiti minimi
    C) Flexor hallucis brevis
    D) LumbricalsAnswer: B) Abductor digiti minimi
  1. What is the function of the lateral plantar muscles?
    A) Act upon the great toe
    B) Act upon the fifth toe
    C) Flex the central toes
    D) Extend the toesAnswer: B) Act upon the fifth toe
  1. Which of the following muscles is responsible for flexing the fifth toe?
    A) Flexor digiti minimi brevis
    B) Quadratus plantae
    C) Flexor digitorum brevis
    D) Adductor hallucisAnswer: A) Flexor digiti minimi brevis
  1. Which muscle abducts the fifth toe?
    A) Opponens digiti minimi
    B) Flexor hallucis brevis
    C) Abductor digiti minimi
    D) Plantar interosseiAnswer: C) Abductor digiti minimi
  1. Where is the abductor digiti minimi muscle located?
    A) Along the medial border of the foot
    B) Along the lateral border of the foot
    C) In the central plantar region
    D) On the dorsum of the footAnswer: B) Along the lateral border of the foot
  1. What is the origin of the abductor digiti minimi muscle?
    A) Calcaneal tuberosity, Plantar aponeurosis
    B) Superolateral surface of calcaneus
    C) Metatarsal bone 5
    D) Proximal phalanx of digit 5Answer: A) Calcaneal tuberosity, Plantar aponeurosis
  1. Where does the abductor digiti minimi muscle insert?
    A) Distal phalanx of the great toe
    B) Middle phalanx of digit 5
    C) Base of proximal phalanx of digit 5, Metatarsal bone 5
    D) Medial cuneiform boneAnswer: C) Base of proximal phalanx of digit 5, Metatarsal bone 5
  1. Which nerve innervates the abductor digiti minimi muscle?
    A) Deep fibular nerve
    B) Superficial fibular nerve
    C) Lateral plantar nerve
    D) Medial plantar nerveAnswer: C) Lateral plantar nerve
  1. What is the function of the abductor digiti minimi muscle at the metatarsophalangeal joint of the fifth toe?
    A) Toe adduction and toe extension
    B) Toe abduction and toe flexion
    C) Toe abduction and toe extension
    D) Toe flexion onlyAnswer: B) Toe abduction and toe flexion
  1. Where is the flexor digiti minimi brevis muscle located?
    A) Dorsum of the foot
    B) Sole of the foot
    C) Medial border of the foot
    D) Lateral border of the footAnswer: B) Sole of the foot
  1. What is the origin of the flexor digiti minimi brevis muscle?
    A) Calcaneal tuberosity
    B) Base of metatarsal bone 5, Long plantar ligament
    C) Plantar aponeurosis
    D) Base of proximal phalanx of digit 5Answer: B) Base of metatarsal bone 5, Long plantar ligament
  1. Where does the flexor digiti minimi brevis muscle insert?
    A) Middle phalanx of digit 5
    B) Base of distal phalanx of digit 5
    C) Base of proximal phalanx of digit 5
    D) Metatarsal bone 4Answer: C) Base of proximal phalanx of digit 5
  1. Which nerve innervates the flexor digiti minimi brevis muscle?
    A) Medial plantar nerve
    B) Deep fibular nerve
    C) Superficial fibular nerve
    D) Lateral plantar nerveAnswer: D) Lateral plantar nerve
  1. Where does the flexor digiti minimi brevis muscle lie?
    A) Under the calcaneal tuberosity
    B) Under the metatarsal bone of the great toe
    C) Under the metatarsal bone of the little toe
    D) Over the plantar fasciaAnswer: C) Under the metatarsal bone of the little toe
  1. What does the flexor digiti minimi brevis muscle resemble?
    A) Plantar fascia
    B) One of the Lumbricals
    C) One of the Interossei
    D) Abductor hallucisAnswer: C) One of the Interossei
  1. What is the origin of the flexor digiti minimi brevis muscle?
    A) Long plantar ligament, Base of metatarsal bone 5, Tendon sheath of fibularis longus
    B) Base of proximal phalanx of digit 5
    C) Calcaneal tuberosity and plantar aponeurosis
    D) Superolateral surface of calcaneusAnswer: A) Long plantar ligament, Base of metatarsal bone 5, Tendon sheath of fibularis longus
  1. Where is the insertion point of the flexor digiti minimi brevis muscle?
    A) Base of distal phalanx of digit 5
    B) Medial border of metatarsal bone 5
    C) Lateral border of metatarsal bone 5
    D) Base of middle phalanx of digit 5Answer: C) Lateral border of metatarsal bone 5
  1. Which nerve innervates the flexor digiti minimi brevis muscle?
    A) Deep fibular nerve
    B) Superficial fibular nerve
    C) Medial plantar nerve
    D) Lateral plantar nerveAnswer: D) Lateral plantar nerve
  1. Which toes do the central plantar muscles act upon?
    A) All five toes
    B) Great toe only
    C) Lateral four toes
    D) Fifth toe onlyAnswer: C) Lateral four toes
  1. Which of the following muscles is part of the central plantar group?
    A) Abductor hallucis
    B) Flexor digitorum brevis
    C) Opponens digiti minimi
    D) Abductor digiti minimiAnswer: B) Flexor digitorum brevis
  1. How many lumbricals are part of the central plantar muscles?
    A) Two
    B) Three
    C) Four
    D) FiveAnswer: C) Four
  1. How many plantar interossei muscles are found in the central plantar group?
    A) Two
    B) Three
    C) Four
    D) FiveAnswer: B) Three
  1. How many dorsal interossei muscles are part of the central plantar group?
    A) Two
    B) Three
    C) Four
    D) FiveAnswer: C) Four
  1. What is the primary function of the flexor digitorum brevis muscle?
    A) Toe extension
    B) Toe flexion at the metatarsophalangeal joints of the lateral four digits
    C) Abduction of the big toe
    D) Flexion of the big toeAnswer: B) Toe flexion at the metatarsophalangeal joints of the lateral four digits
  1. Which structure does the flexor digitorum brevis help support?
    A) Transverse arch of the foot
    B) Longitudinal arch of the foot
    C) Plantar aponeurosis
    D) Calcaneal tendonAnswer: B) Longitudinal arch of the foot
  1. Where does the flexor digitorum brevis originate?
    A) Base of metatarsal bone 5
    B) Long plantar ligament
    C) Medial process of calcaneal tuberosity and plantar aponeurosis
    D) Superolateral surface of calcaneusAnswer: C) Medial process of calcaneal tuberosity and plantar aponeurosis
  1. What is the insertion point of the flexor digitorum brevis muscle?
    A) Proximal phalanges of digits 2-5
    B) Middle phalanges of digits 2-5
    C) Distal phalanges of digits 2-5
    D) Base of proximal phalanx of digit 5Answer: B) Middle phalanges of digits 2-5
  1. Which nerve innervates the flexor digitorum brevis?
    A) Lateral plantar nerve
    B) Deep fibular nerve
    C) Superficial fibular nerve
    D) Medial plantar nerveAnswer: D) Medial plantar nerve
  1. How many heads does the quadratus plantae muscle have?
    A) One
    B) Two
    C) Three
    D) FourAnswer: B) Two
  1. Where does the quadratus plantae originate?
    A) Base of metatarsal bone 5
    B) Medial surface of calcaneus and lateral process of calcaneal tuberosity
    C) Medial process of calcaneal tuberosity
    D) Superolateral surface of calcaneusAnswer: B) Medial surface of calcaneus and lateral process of calcaneal tuberosity
  1. What is the insertion point of the quadratus plantae muscle?
    A) Tendon of flexor hallucis longus
    B) Tendon of flexor digitorum longus
    C) Proximal phalanx of digit 5
    D) Middle phalanges of digits 2-5Answer: B) Tendon of flexor digitorum longus
  1. What is the function of the quadratus plantae muscle?
    A) Toe abduction
    B) Toe extension
    C) Toe flexion at metatarsophalangeal joints 2-5
    D) Toe adductionAnswer: C) Toe flexion at metatarsophalangeal joints 2-5
  1. Which nerve innervates the quadratus plantae muscle?
    A) Medial plantar nerve
    B) Lateral plantar nerve
    C) Superficial fibular nerve
    D) Deep fibular nerveAnswer: B) Lateral plantar nerve
  1. Where do the lumbrical muscles in the foot originate?
    A) Medial process of calcaneal tuberosity
    B) Base of metatarsal bone 5
    C) Tendons of flexor digitorum longus
    D) Long plantar ligamentAnswer: C) Tendons of flexor digitorum longus
  1. What is the insertion point of the lumbricals in the foot?
    A) Base of proximal phalanx of digit 5
    B) Tendon of flexor digitorum longus
    C) Extensor hoods of the lateral four digits
    D) Middle phalanges of digits 2-5Answer: C) Extensor hoods of the lateral four digits
  1. Which nerve innervates the first lumbrical muscle?
    A) Lateral plantar nerve
    B) Medial plantar nerve
    C) Superficial fibular nerve
    D) Deep fibular nerveAnswer: B) Medial plantar nerve
  1. Which nerve innervates the second to fourth lumbricals?
    A) Lateral plantar nerve
    B) Medial plantar nerve
    C) Deep fibular nerve
    D) Sural nerveAnswer: A) Lateral plantar nerve
  1. Which spinal segments contribute to the innervation of the lumbrical muscles?
    A) S1-S3
    B) S2-S3
    C) L4-L5
    D) L2-L3Answer: B) S2-S3
  1. What is the function of the lumbrical muscles at the metatarsophalangeal joints?
    A) Toe abduction
    B) Toe extension
    C) Toe flexion and adduction
    D) Toe flexion and abductionAnswer: C) Toe flexion and adduction
  1. How many plantar interossei muscles are there in the foot?
    A) Two
    B) Three
    C) Four
    D) FiveAnswer: B) Three
  1. Where do the plantar interossei muscles originate?
    A) Tendons of flexor digitorum longus
    B) Medial aspects of metatarsal bones 3-5
    C) Long plantar ligament
    D) Calcaneal tuberosityAnswer: B) Medial aspects of metatarsal bones 3-5
  1. Where do the plantar interossei muscles insert?
    A) Extensor hoods of the lateral four digits
    B) Tendon of flexor digitorum longus
    C) Medial bases of proximal phalanges of digits 3-5
    D) Base of proximal phalanx of digit 5Answer: C) Medial bases of proximal phalanges of digits 3-5
  1. Which nerve innervates the plantar interossei muscles?
    A) Medial plantar nerve
    B) Deep fibular nerve
    C) Lateral plantar nerve
    D) Superficial fibular nerveAnswer: C) Lateral plantar nerve
  1. What spinal segments contribute to the innervation of the plantar interossei muscles?
    A) S1-S2
    B) S2-S3
    C) L4-L5
    D) L5-S1Answer: B) S2-S3
  1. What is the function of the plantar interossei muscles at the metatarsophalangeal joints?
    A) Toe extension and abduction
    B) Toe flexion and adduction
    C) Toe flexion and abduction
    D) Toe adduction onlyAnswer: B) Toe flexion and adduction
  1. How many dorsal interossei muscles are found in the foot?
    A) Two
    B) Three
    C) Four
    D) FiveAnswer: C) Four
  1. Where do the dorsal interossei muscles originate?
    A) Medial aspects of metatarsal bones 3-5
    B) Tendons of flexor digitorum longus
    C) Opposing sides of metatarsal bones 1-5
    D) Calcaneal tuberosityAnswer: C) Opposing sides of metatarsal bones 1-5
  1. Where do the dorsal interossei muscles insert?
    A) Base of proximal phalanx of digit 5
    B) Medial base of proximal phalanx of digit 2, Lateral bases of proximal phalanges of digits 2-4
    C) Medial bases of proximal phalanges of digits 3-5
    D) Extensor hoods of the lateral four digitsAnswer: B) Medial base of proximal phalanx of digit 2, Lateral bases of proximal phalanges of digits 2-4
  1. Which nerve innervates the dorsal interossei muscles?
    A) Medial plantar nerve
    B) Deep fibular nerve
    C) Lateral plantar nerve
    D) Superficial fibular nerveAnswer: C) Lateral plantar nerve
  1. Which spinal segments contribute to the innervation of the dorsal interossei muscles?
    A) S1-S2
    B) S2-S3
    C) L4-L5
    D) L5-S1Answer: B) S2-S3
  1. What is the function of the dorsal interossei muscles at the metatarsophalangeal joints?
    A) Toe flexion and abduction
    B) Toe flexion and adduction
    C) Toe abduction only
    D) Toe extension and adduction Answer: A) Toe flexion and abduction
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