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Navicular

ANATOMICAL POSITION

In humans this bone is located on the medial side of the foot and it is attached proximally to talus, distally with three cuneiform bones of the foot and laterally with a cuboid bone.

EMBRYOLOGY

It is the last bone of foot to start its ossification. Its ossification starts till or after 2 years in females and 4 years in males.

MUSCLE ATTACHMENTS

The only muscle which is attached to the navicular bone is tibialis posterior. Its main portion is inserted on the tuberosity of navicular bone.

ACCESSORY NAVICULAR BONE

2 to 14% of general population possesses an accessory navicular bone. This is an abnormal bone of foot which is formed in front of the ankle to the inside of the foot. Its symptoms may include bunions and heel spurs. It can be surgically removed at any age without the risk of any bone damage.

 


ANATOMICAL POSITION

In humans this bone is located on the medial side of the foot and it is attached proximally to talus, distally with three cuneiform bones of the foot and laterally with a cuboid bone.

EMBRYOLOGY

It is the last bone of foot to start its ossification. Its ossification starts till or after 2 years in females and 4 years in males.

MUSCLE ATTACHMENTS

The only muscle which is attached to the navicular bone is tibialis posterior. Its main portion is inserted on the tuberosity of navicular bone.

ACCESSORY NAVICULAR BONE

2 to 14% of general population possesses an accessory navicular bone. This is an abnormal bone of foot which is formed in front of the ankle to the inside of the foot. Its symptoms may include bunions and heel spurs. It can be surgically removed at any age without the risk of any bone damage.

 

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