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Soleus

Region

Origin & Insertion

['Origin: Posterior head of fibula, soleal line of tibia', 'Insertion: Calcaneus via Achilles tendon']

Synergistic Muscles

['Gastrocnemius', 'Tibialis posterior']

Joints

['Ankle']

Primary Actions

['Plantarflexion (especially with flexed knee)']

Nerve & Spinal Segment

Tibial nerve

Sacral plexus; S1–S2

Interesting

Postural stabilizer during standing. [Moore’s]

Reversal of Action

Lift tibia over foot with foot planted

Common Dysfunctions

Chronic tightness, impaired standing endurance

How to Stretch

Bent knee wall calf stretch.

Trigger Points

How to Strengthen

Seated heel raise.

Concentric Action

Plantarflex ankle (with knee bent)

Applications:

Primary endurance calf muscle; key in postural and venous return function

Eccentric Action

Control return from tiptoe with bent knee

Isotonic Action

Seated heel raises

Related Conditions

['Achilles tendinitis', 'Venous stasis']

Isometric Action

Hold isometric heel raise in bent knee

Exercise Ideas

['Seated calf raise', 'Toe presses', 'Single-leg heel raise']

Related Blogs

Images

Videos

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