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Types of Skeleton

206 Bones of the Human Body
206 Bones of the Human Body

The human skeleton of an adult consists of 206 bones. It is composed of 300 bones at birth, but later decreases to 80 bones in the axial skeleton and 126 bones in the appendicular skeleton. Many small supernumerary bones, such as some sesamoid bones, are not included in this count.

Axial Skeleton
Axial Skeleton

Along the Axis of the Axial Skeleton: Bones That Form the Axial Skeleton The bones of the human skeleton are divided into two groups. The appendicular skeleton includes all the bones that form the upper and lower limbs, and the shoulder and pelvic girdles.

Endoskeleton
Endoskeleton

According to BBC, an endoskeleton is a bone structure located in the interior of an animal, and an exoskeleton is a bone structure located on the exterior of an animal. Each type of skeleton has unique advantages and disadvantages in helping the animal survive.

source: reference.com
image: wisegeek.com
Exoskeleton
Exoskeleton

According to BBC, an endoskeleton is a bone structure located in the interior of an animal, and an exoskeleton is a bone structure located on the exterior of an animal. Each type of skeleton has unique advantages and disadvantages in helping the animal survive.

source: reference.com
Flat Ribs, Scapula, & Cranium
Flat Ribs, Scapula, & Cranium

These ribs wrap around in a barrel-like fashion, creating the rib cage. Consider the thoracic vertebrae the foundation under a building and the ribs the floors sitting on top. The triangular-shaped scapula sits on top of the ribs, just as a rug would lay flat on a floor.

Human Appendicular Skeleton
Human Appendicular Skeleton

The bones of the human skeleton are divided into two groups. The axial skeleton includes all the bones (that form bony structures) along the body’s long axis. The bones of the appendicular skeleton make up the rest of the skeleton, and are so called because they are appendages of the axial skeleton.

Hydrostatic Skeleton
Hydrostatic Skeleton

A hydrostatic organ and a hydrostatic skeleton may have the same capabilities, but they are not the same. Hydrostatic organs are more common in advanced organisms, while hydrostatic skeletons are more common in primitive organisms.

source: quora.com
Irregular Carpus
Irregular Carpus

The term "carpus" is derived from the Latin carpus and the Greek καρπός (karpós), meaning "wrist." In human anatomy, the main role of the wrist is to facilitate effective positioning of the hand and powerful use of the extensors and flexors of the forearm, and the mobility of individual carpal bones increase the freedom of movements at the wrist.

Long Femur & Humerus
Long Femur & Humerus

I have relatively long femurs and a long torso but my tibas are super short.I have such a hard time getting below parallel with my squats. Especially in a narrow stance. And I wanted to like the low bar position but it just never felt right.

Sesamoid Patella
Sesamoid Patella

The patella is also a form of sesamoid bone in the horse. Although many carnivores have radial sesamoid bones, the giant panda and red panda independently evolved to have an enlarged radial sesamoid bone.

Short Metatarsus & Phalanges
Short Metatarsus & Phalanges

A stunted metatarsal, or foot bone, results in a toe that is smaller than the others. This condition is most often seen in the fourth toe and can affect