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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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