chapter 1a Flashcards
(37 cards)
what are long bones for
- big movement
- blood cell production
- shape
what are 2 long bones
humerus and femur
what are short bones for
- small movements
what are 2 short bones
- carpals
- tarsals
what are flat bones for and examples:
- protect vital organs
- scapula, sternum and cranium
what are irregular bones
small movements and protection
vertebrae
tendons:
muscle to bone
ligament:
bone to bone
whats a joint
where 2 or more bones meet and they allow us to move
what are fixed joints for
provide protection such as cranium
whats the most common joint
synovial
what are the 6 functions of the skeleton
support
shape
protection
movement
mineral storage
production
what does a cartilage do in a synovial joint
protective layer to stop the bones rubbing together
what does synovial fluid do in a synovial joint
lubricates the joint to prevent friction
what does ligaments do in a synovial joint
keep the bones in place
whats bursae
bags of synovial fluid
what movement occurs at hip joints
flexion
extension
elbow joint:
- humerus, radius, ulna
- flexion, extension
“basket ball shot”
knee joints:
- femur, tibia, fibula
- flexion, extension
“kicking a football”
ankle joints:
- tibia, fibula, talus
- plantar flexion, dorsiflexion
what type of joint are shoulder and hip
ball and socket
shoulder joints:
- humerus, scapula and clavicle
- abduction, adduction, rotation and circumduction
“serve in tennis”
hip joint:
- femur, pelvis
- all directions
“lay up in basketball”
what is flexion
angle of the joint decreases
