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They are analogous to the knuckles of the hand, and are consequently known as toe knuckles in common speech. They are condyloid joints , meaning that an elliptical or rounded surface (of the metatarsal bones) comes close to a shallow cavity (of the proximal phalanges).
The first metatarsal bone is the bone in the foot just behind the big toe. The first metatarsal bone is the shortest of the metatarsal bones and by far the thickest and strongest of them. [1] Like the four other metatarsals, it can be divided into three parts: base, body and head.
The dorsal ligaments are strong, flat bands.. The first metatarsal is joined to the first cuneiform by a broad, thin band; the second has three, one from each cuneiform bone; the third has one from the third cuneiform; the fourth has one from the third cuneiform and one from the cuboid; and the fifth, one from the cuboid.
The medial cuneiform (also known as first cuneiform) is the largest of the cuneiforms. It is situated at the medial side of the foot, anterior to the navicular bone and posterior to the base of the first metatarsal .
In the foot—the first metatarsal bone usually has two sesamoid bones at its connection to the big toe (both within the tendon of flexor hallucis brevis). [10] One is found on the lateral side of the first metatarsal while the other is found on the medial side. In some people, only a single sesamoid is found on the first metatarsal bone.
Subungual exostosis is a type of non-cancerous bone tumor of the chondrogenic type, and consists of bone and cartilage. [2] It usually projects from the upper surface of the big toe underlying the nailbed, giving rise to a painful swelling that destroys the nail. [3]
One week after a biopsy confirmed the diagnosis, doctors amputated Basil’s pinky toe on her right foot to stop the cancer from spreading. “It just totally took me just by surprise,” she said.
However, human feet, and the human medial longitudinal arch, differ in that the anterior part of the foot is medially twisted on the posterior part of the foot, [12] so that all the toes may contact the ground at the same time, and the twisting is so marked that the most medial toe, the big toe or hallux, (in some individuals the second toe ...