Term | Definition |
flat | function: to protect internal organs. ex. rib,scapula,and sternum |
long | any bone that is longer than it is wide, almost any bone in the arms and legs. ex. ulna, femur
Function: allows for movement and help support body |
short | any bone that is wider than it is long. ex. carpal, tarsals Function: small movements and weight bearing |
Irregular | bones with no specific shape. ex. mandible, vertebrae, patella-"sesmoid". Function: protection |
cartilage | makes up some body parts- ears and nose. found on the end of all bones and between every vertebrae. Acts like shock absorbers. |
ligaments | connects bones to other bones. tough connective tissue,very elastic |
tendons | links bones to muscles |
synonial fluid | liquid found in every joint that keeps them moving freely. |
joint | any place where 2 or more bones meet |
Fixed joint | does not allow for movement. ex. cranium, pelvis |
movable joints | any joint that allows for full movement. ex. appendicular skeleton (arms+legs) |
partially movable joints | allows for limited movement. axial skeleton (neck) |
ball and socket | allows for movement in all directions. ex. humerus/femur |
hinge joint | allows for movement in 2 directions. ex. elbow/knee |
sliding/gliding | allowing for movement in all directions bit limited. ex. carpals/tarsals |
pivot | allows for motion in 4 directions. ex. neck/vertebrae |
voluntary | muscle that is under conscious control |
involuntary | muscles not under conscious control |
skeletal | muscles attached to the bones for movement, work in pair. ex. biceps and triceps |
flexor | bends bone towards body |
extensor | bends bone away from body |
smooth | looks and acts smooth, all involuntary, makes up many internal organs or line organs. Keeps organs working 24/7 |
cardiac | looks straitea but acts smooth (involuntary), muscle that makes up the heart. ex. only the heart |