Apr 17, 2025 · An accessory navicular is a large accessory ossicle that can be present adjacent to the medial side of the navicular bone. The tibialis posterior tendon often inserts with a broad attachment into the ossicle.

The accessory navicular (os navicularum or os tibiale externum) is an extra bone or piece of cartilage located on the inner side of the foot just above the arch. It is incorporated within the posterior tibial tendon, which attaches in this area and …

Nov 16, 2024 · The accessory navicular syndrome, also known as os naviculare syndrome occurs when a type II accessory navicular becomes painful due to movement across the pseudo-joint between the ossicle and the navicular bone.

The accessory navicular can affect the insertion of the posterior tibial tendon. This tendon has the job of keeping your foot aligned and helping to maintain an arch. The accessory navicular can be associated with a normal foot posture and alignment, or sometimes with a flat (pes planus) foot.

Nov 6, 2023 · Acessory Navicular is a common idiopathic condition of the foot that presents with an enlargement of the navicular bone. Diagnosis is made with plain radiographs of the foot showing a plantar medial enlargement of the navicular bone.

Os Navicular Syndrome, or accessory navicular, is a condition that causes foot pain at the arch. Learn the causes and treatment strategies here.

Some members of the population—7-19%—are gifted with an extra bone located on the inner side of the foot just above the arch. This bone, the accessory navicular, os tibial externum, is present at birth.

Oct 17, 2023 · What is an accessory navicular? Also known as os naviculare or os tibiale externum, an accessory navicular is an extra bone on the inside of the navicular (the bone in the middle of the arch of the foot) and within the posterior …

Oct 6, 2022 · An accessory navicular bone is an extra growth located on the inner side of the foot. Learn about the causes, diagnosis, and treatment of this condition.

Nov 16, 2023 · An accessory navicular is an extra piece of cartilage or bone found in the medial foot arch on the inner side of the foot, next to the navicular. It usually sits within the posterior tibial tendon, one of the main stabilising muscles of the foot that supports the inner foot arch.