consists of the skull, throx & vertabrae column
consists of the upper & lower extremities &the shoulder &peliv girdles
The vertebral column
(5 regions) 26bones in 5 sections
7 vertebrae c1-c7
-bear the least amount of weight
2.thoracic (thorax) (with ribs)
12 vertebrae T1-T12
-LEASTmobility done to anticulation (joints). with the ribs &overlapping spinous process.
5 vertebrae L1-L5
-largest vertebrae-bear the most weight.
1 bone formed by the fusion of 5 vertebrae approxmily about the age of 18.
1 bone formed by the fusion of 3-4 vertebrae
does not do anything
the vertebral column. Curves of the vertebrae column
-develop in uters
allow the fetus to curl up your born with the curves
2nd curve of the vetebrae column
2.Anterior/secondary/curves after your born
-developes when the baby lifts his head & stand up.
the skeletal systems
206 bones & ugametus&joints
for movement/designed for locomotion movements found in extremities(arms,legs,fingers
designed to enhance agility.
designed for protection Ex:cranium,sternum,ribs,scapula
have increased surface area for muscle
os conxae- (bones pelivic)
have increased surface area for muscle and ligament attachment.