skeletal system Flashcards
name three functions the skeleton has?
support/shape
protection
movement
why is support and shape important?
supports soft tissues
posture which is essential in most sports
why is protection important?
protect vital organs eg heart lungs and brain
wont get serious injury
why is movement important?
muscles are attached by tendons so we can move which is important so we can perform
name the four types of bone?
long bone
short bone
flat bone
irregular bone
what is long bone?
strong
used my muscles to assist movement
what are short bones?
support weight (weight-bearing)
what are flat bones?
protect internal organs
allows muscle attachment
what are irregular bones?
protection and muscle attachment
name three examples of long bones and where they are?
Femur- the whole leg (running)
humerus- the whole arm (swinging a racket)
fibula, tibia- lower leg (kick a football)
name two short bones and where they are located?
Carples- wrist to give stability
Tarsals- bear bodies weight while on foot
name two flat bones and where they are located?
cranium- protects the brain
pelvis- protects reproductive organs and bladder
name one irregular bone and where it is located?
vertebral column- protects the spinal cord
name the five regions of the vertebral column and the number in each?
cervical - 7
thoracic - 12
lumbar - 5
sacrum - 5
coccyx - 4
what is flexion and extension?
flexion is bending the knee (closing a joint)
extension is straightening the knee (opening a joint) (kicking a football)