Beginner Lumbricals Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. How many lumbrical muscles are normally present in one foot?
- Two
- Three
- Five
- Four
Q2. In which plantar muscle layer are the lumbricals found?
- Second plantar layer
- Third plantar layer
- First plantar layer
- Fourth plantar layer
Q3. From which tendons do the foot lumbricals arise?
- Extensor digitorum longus tendons
- Tibialis anterior tendon
- Flexor digitorum longus tendons
- Fibularis longus tendon
Q4. Which toes receive the lumbrical insertions?
- Third and fourth toes only
- Second through fifth toes
- Great toe only
- First and second toes only
Q5. What is a major action of the lumbricals at the metatarsophalangeal joints?
- Extension only
- Abduction
- Flexion
- Adduction only
Q6. What action do the lumbricals assist at the interphalangeal joints?
- Plantarflexion
- Inversion
- Flexion
- Extension
Q7. Which lumbrical is supplied by the medial plantar nerve?
- First lumbrical
- Second lumbrical
- Third lumbrical
- Fourth lumbrical
Q8. Which nerve supplies the second, third, and fourth lumbricals?
- Deep fibular nerve
- Saphenous nerve
- Sural nerve
- Lateral plantar nerve
Q9. Into what dorsal structure do the lumbricals insert?
- Extensor expansion
- Flexor retinaculum
- Calcaneal tendon
- Plantar aponeurosis
Q10. Which combined movement best describes lumbrical function in the toes?
- Metatarsophalangeal flexion with interphalangeal extension
- Ankle dorsiflexion with toe flexion
- Toe abduction with ankle inversion
- Metatarsophalangeal extension with interphalangeal flexion