yogabook / muscles / quadratus plantae
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M. quadratus plantae
Also known as the plantar head of the flexor digitorum longus
Origin: medial and lateral edge of the plantar calcaneus
Attachment: lateral edge of the tendon of the flexor digitorum longus
Innervation: Nervus plantaris lateralis from N. tibialis from Plexus sacralis
Antagonists:
Movement: Plantar flexion, increases the effect of the flexor digitorum longus muscle