Tutoring Session Flashcards
ulna is what to the radius?
medial
what axis is the transverse plane around?
superior inferior axis
what does the gravitational line consist of?
external auditory meatus, L3* (test question last year), lateral malleolus, slide 27
scoliosis is assessed how?
forward bend test
pectus carinatum does what?
increases AP diameter
who found center of gravity?
Borelli
who was the first biomechanist?
da Vinci
who was interested in strength of bones?
Galleio
what kind of joint is the elbow?
lever
what is an example of a first class lever?
OA joint
what kind of lever is the ankle? where is the resistance?
second class; in middle
what is the most common lever in the body?
3rd class
what is a shearing stress?
force acts parallel to surface
what is stiffness?
amount of force needed to bend structure
what is stiffness?
innate property of structure
what is a stride? average length
a full gait cycle, one foot to same foot; 30 in
gait cycle in order
heel strike, flat foot, heel off, toe off, heel strike again
what does your foot have to do when in swing phase? what happens if it doesn’t happen? nerve associated
dorsiflex, foot drop, common fibular
how much of your gait cycle is spent in stance phase?
60%
what does terminal stance of R foot coordinate with?
initial contact of L foot
what are the 5 requirements of gait?
stability in stance, clear foot in swing phase, foot pre-positioned before contact, adequate step length and energy conservation
what is a main example of not meeting the requirements of gait?
Parkinson’s
your pelvis does what when putting foot forward?
rotates forward
what kind of gait does Siedler have?
arthrogenic