Musculoskeletal System Flashcards
what are the functions of the musculoskeletal system?
structure movement protection of vital organs storage of minerals red blood cell production
what provide movement
muscles
what support structure
bones
what is continually replacing bone
bone
articular cartilage, ligaments, synovial membrane, bursae, tendons
joints
move a lot, have fluid
synovial joints
do not move
non synovial joints (head/spine)
avascular; covers the surfaces of opposing bones
cartilage
enclosed sac filled with viscous synovial fluid
bursa
bone to bone
ligament
muscle to bone
tendon
what tears when you twist your ankle
ligament
what direction do infants develop
head to toe
developmental considerations of an infant
c-curve of spine
by 2 months can lift head when prone
should be able to lift infant while holding under arms (should not slip)
_______ are more stronger than ______ until adolescence
ligaments are more stronger that bones (result more fractures)
what is more common in childhood?
lordosis (extreme cure of spine)
during childhood what is the fastest growing body part?
legs
growth in bones occur at _______ until age __ when growth is complete
epiphyses; 20
growth plate
epiphyses
due to poor posture
kyphosis
developmental considerations of adolescents
kyphosis due to poor posture
screen for scoliosis
sports-related injuries