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The Lumbricals Pedis are intrinsic muscles of the foot located in Plantar Layer II. The muscles located in Plantar Layer II are:
There are four Lumbricals Pedis muscles, named #1, #2, #3, and #4, from medial (big toe side) to lateral (little toe side).
ATTACHMENTS:
- Distal tendons of flexor digitorum longus to the dorsal digital expansion.
- The lumbricals pedis attach into the tendons of extensor digitorum longus merging into the dorsal digital expansion of toes #2-5.
- Each lumbrical pedis attaches into the medial side of its respective toe.
ACTIONS:
- Flexes toes #2-5 at the metatarsophalangeal joints.
- Extends toes #2-5 at the proximal and distal interphalangeal joints.
NOTE: Lumbricals pedis can also abduct/adduct toes #2-5. They do tibial abduction of the second toe, and adduction of toes #3-5.
