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Flexor digiti minimi brevis
Region
Origin & Insertion
['Origin: Base of 5th metatarsal', 'Insertion: Base of proximal phalanx of 5th toe']
Synergistic Muscles
['Abductor digiti minimi']
Joints
['5th MTP joint']
Primary Actions
['Flexes 5th toe at MTP joint']
Nerve & Spinal Segment
Lateral plantar nerve
Sacral plexus; S2–S3
Interesting
Controls 5th toe push-off. [Netter’s]
Reversal of Action
Support lateral edge during foot push-off
Common Dysfunctions
Weak pinky toe stabilization
How to Stretch
Toe extension and adduction.
Trigger Points
How to Strengthen
Isolated toe press against resistance.
Concentric Action
Flex 5th toe
Applications:
Adds lateral support for propulsion and toe stability
Eccentric Action
Control return from toe flexion
Isotonic Action
Little toe curls
Related Conditions
['Tailor’s bunion', 'Plantar fasciitis']
Isometric Action
Hold toe flexed
Exercise Ideas
['Little toe flex', 'Toe doming', 'Marble pick-up']
Related Blogs
Images
Videos
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