Bones vary in shape and size The unique shape of each bone fulfills a particular need Bones are classified by their shape as long short flat or irregular bone Classification of Bones Long ID: 778981
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Slide1
Skeletal System
Slide2Classification of Bone:
Bones vary in shape and
size
The unique shape of each bone fulfills a particular
need
Bones are classified by their shape as long, short, flat, or irregular
bone
Slide3Classification of Bones
Slide4Long
Bone
Long bones have a long shaft and two distinct
ends
Classification is based on shape not
size
Example of this is the
humerus
Slide5Short
Bones
Short bones are roughly
cubelike
Short bones are
often
the carpal and tarsal bones
Slide6Flat
Bones
Flat bones are thin, flattened and usually
curved
Skull, sternum and ribs are examples
Slide7Irregular
Bone
Irregular bones don’t fit into the previous
categories
Irregular bones have complicated shapes
Examples
are
the hip
bones
and vertebrae
Slide8Lower Body Bones
Spine
– Vertabrae , Sacrum, Coccyx Hand – Carpals,
Metacarpals,and PhalangesLeg - Femur, Tibia, Patella and FibulaFoot - Tarsals, Metatarsals and Phalanges.
Slide9Spine –
Vertabrae
, Sacrum, Coccyx The spine, also known as the backbone or vertebral column, consists of a long chain of 33 bones each individually known as a vertebrae. The
main functions of the vertebral bones are for structure and protection of the spinal cord. The spine is separated into 4 curves, the cervical curve, thoracic curve, lumbar curve, sacral and/or pelvic curve.The coccyx is referred to as the tailbone, as scientist believe it is the remainder of a tail.
Slide10Anatomy of the Spine
Slide11Hand – Carpals, Metacarpal Phalanges
The
skeleton of the wrist consists of eight small carpal bones that are firmly bound in two rows of four bones each
.The metacarpals make up the knuckles of the hand.The phalanges are the small bones that make up the skeleton of the fingers, thumb and toes. Each finger and smaller toe has three phalanges; the thumb and big toe each have two.
Slide12Anatomy of the Hand
Slide13Leg – Femur and Tibia
The
femur is the thigh bone, the longest bone in the body.
The lower end joins the tibia (shin) to form the knee joint. The upper end is rounded into a ball (or "head" of the femur) that fits into a socket in the pelvis to form the hip joint. The neck of the femur gives the hip joint a wide range of movement, but it is a point of weakness and a common site of fracture.
Slide14Leg - Patella, Fibula
The
fibula is the long and slender bone beside the tibia. The
fibula is the outer and thinner of the two long bones of the lower leg. Its main function is to provide attachment for muscles. It doesn't give much support or strength to the leg. The patella is the knee cap. The patella is a thick, circular-triangular bone, which
connects with the femur and covers and protects the knee joint.
Slide15Anatomy of the Leg
Slide16Foot - Tarsals,
Metatarsals, Phalanges
The ankle is composed of seven tarsal bones
.The metatarsal bones are a set of five bones in the foot, which connect with the ankle joint and the toes. The ligaments, which surround these bones typically hold them in an arch-like shape, which comprises the arch of the foot.
The metatarsals are equivalent to the metacarpal bones of the hand. Both sets of bones serve important functions in the body, providing balance, stability, and functionality.
The
phalanges
are the small bones that make up the skeleton of the fingers, thumb and toes. Each finger and smaller toe has three phalanges; the thumb and big toe each have two.
Slide17Anatomy of the Foot
Slide18Dem BONES