Exam 1 Flashcards
(45 cards)
__: increased curving of spine outward/backward in sagittal plane
kyphosis
__: increased curving of spine inward/forward in sagittal plane
lordosis
__: lateral curving of spine
scoliosis
__: folding of knees inward
valgus
__: outward angulation of distal segment of bone/joint. bowlegs
varus
sagittal plane movement:
running
frontal plane movement:
guarding
transverse plane movement:
rotation, throw/catch
resistance arms are __
bones
an axes in a lever is the __
joint
muscles contract to apply __
force
__ class lever: load, fulcrum, effort
1st
___ class lever: fulcrum, load, effort
2nd
__ class lever: fulcrum, effort, load
3rd
least common lever class in the body
2nd
most common lever class in the body
3rd
best class lever for lifting things
2nd
least advantageous lever class
3rd
mechanical advantage = (length _____ arm) / (length ____arm)
force, resistance
high mechanical advantage = more __
power
does a low mechanical advantage directly mean a disadvantage
no
long arms mean the hand will travel at a greater __
velocity
__ class levers produce balanced movements
1st
in __ class levers, MA = 1
1st