Core 2-The Body in Motion. The skeletal System. Skeletal System. An anatomical reference system called directional terms is used to identify the location of bones.
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The skeletal System
Frontal (Coronal) Plane
2. Appendicular skeleton-consists of the bones of the upper and lower limbs and the bony girdles that support them on the body trunk.
1. Long Bones- are hollow, tubular in shape and have along shaft. The ends of long bones form the articulating or connecting surfaces at joints.
- these bones can withstand heavy stress and are important in weight bearing.
- examples: humerus, femur, radius, tibia, ulna and phalanges.
2. Short Bones- are shaped like a cube and almost equal in length and width.
- examples: bones in the wrist (carpals) and ankle bones (tarsals)
3. Flat Bones- generally thin with a layer of spongy bone in their centre.
- they are usually broad in shape and have a smooth surface allowing a large area for muscle attachment.
-examples: scapula, cranial bones, sternum and ribs
4. Irregular Bones- complex shapes, for example vertebrae
5. Sesamoid Bones- this type of bone is small and found in special tissue called tendons, where there can be more than usual pressure applied.
- examples: the patella
Write notes on features from page 133-134 outcomes textbook. (Ligaments, tendons, synovial fluid and hyaline cartilage).