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Lumbricals (Foot)
Related Anatomy
Nerve
Tibial nerve
Sciatic nerve
Lateral plantar nerve
Plexus
Lumbosacral plexus
Muscle Group
Sciatic nerve - Intrinsic foot muscles
Muscle Action
- The lumbricals have two actions on digits 2—5:
- They flex the proximal phalanges.
- They extend the middle and distal phalanges.
Nerve Root
S3
S2
Special thanks to Kendra Nicks