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Abductor digiti minimi

Region

Origin & Insertion

['Origin: Lateral calcaneal tuberosity', 'Insertion: Base of proximal phalanx of 5th toe']

Synergistic Muscles

['ADM brevis']

Joints

['5th MTP joint']

Primary Actions

['Abducts and flexes 5th toe']

Nerve & Spinal Segment

Lateral plantar nerve

Sacral plexus; S2–S3

Interesting

Important for foot lateral stability. [Moore’s]

Reversal of Action

Raise outer foot via lateral toe press

Common Dysfunctions

Reduced lateral balance, pinky toe splay

How to Stretch

Toe adduction and ankle inversion.

Trigger Points

How to Strengthen

Toe abduction exercises.

Concentric Action

Abduct 5th toe

Applications:

Stabilizes lateral foot, contributes to balance

Eccentric Action

Control return to neutral

Isotonic Action

Toe spread and resistance band push

Related Conditions

['Tailor’s bunion', 'Plantar fasciitis']

Isometric Action

Hold toe abducted

Exercise Ideas

['Little toe press', 'Toe spread', 'Arch drills']

Related Blogs

Images

Videos

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