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Adductor Digiti Minimi

Region

Origin & Insertion

['Origin: Calcaneus and plantar aponeurosis', 'Insertion: Lateral base of proximal phalanx of 5th toe']

Synergistic Muscles

['Flexor digiti minimi brevis']

Joints

['5th MTP joint']

Primary Actions

['Abducts and flexes 5th toe']

Nerve & Spinal Segment

Lateral plantar nerve

Sacral plexus; S2–S3

Interesting

Helps balance foot on uneven ground. [Netter’s]

Reversal of Action

Support outer foot while toe stabilizes

Common Dysfunctions

Lateral foot instability, toe splay

How to Stretch

Stretch toe into adduction and extension.

Trigger Points

How to Strengthen

Toe splay and press drills.

Concentric Action

Adduct 5th toe

Applications:

Controls lateral toe splay, supports lateral arch

Eccentric Action

Control lateral toe movement

Isotonic Action

Toe squeeze toward midline

Related Conditions

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

Isometric Action

Hold toe aligned medially

Exercise Ideas

['Toe spread', 'Toe press against wall', 'Marble grasp with 5th toe']

Related Blogs

Images

Videos

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