Flexor Digitorum Longus (Tendon Sheath) Anatomy in 3D

Synovial sheath for FDL tendon(s) in the tarsal tunnel and/or within digital flexor sheaths, reducing friction under retinacula and at pulley systems.

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Educational content only. Not medical advice. For clinical decisions, consult authoritative sources and qualified clinicians.

Related structures

Tibial Tarsal Tendon Sheaths Flexor Hallucis Longus (Tendon Sheath) Extensor Digitorum Longus (Tendon Sheath) Flexor Digitorum Longus Tibialis Posterior Muscle (Tendon Sheath) Calcaneus, Groove for Tendon, Flexor Hallucis Longus