Lumbricals

Question 1

Origin

Answer 1

Tendon of the flexor digitorum longus

Question 2

Insertion

Answer 2

Dorsal digital expansion of toes 2-5

Question 3

Function

Answer 3

• FLEX of toes #2-5 at MTP joints
• EXT of toes #2-5 at PIP and DIP joints

Question 4

Nerve

Answer 4

Lumbrical #1 medial plantar nerve
Lumbrical #2-4 lateral planter nerve