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
what would cause an ataxic gait?
booze and cerebellar injury
when you’re preforming speed’s test what are you testing?
bicep instability
what test would pathology with acromion
cross arm
what muscle strengths can work against gravity?
3, 4, 5
what fingers are the dermatomes C6, 7, 8 associated with?
thumb, the bird, pinky
what does apley scratch do?
abduction and external rotation AND adduction and internal rotation
what would be a positive Apley’s scratch?
uneven bilaterally
what does sulcus sign test?
glenohumeral instability
cross arm test is done how?
passively
speed’s test?
people who do speed like to shoot up; tests long head of biceps specifically
what does lift off check for?
subscapularis weakness
positive drop arm?
suprspinatus full thickness tear
normal carrying angle at elbow?
5-15
what epicondyle do wrist flexors attach?
medial
valgus tests what ligaments?
medials (knee and elbow)
what ligament associated with nursemaid’s elbow?
annular
ulna does what with pronation?
abducts
what bone below snuff box?
scaphoid
hand abduction does what to ulna?
medially
ok sign tests?
anterior interosseous n. (branch of median n.)
what is tennel’s test used for?
carpal tunnel, tingly and/or recurrence of symptoms
allen’s test is used for?
arterial blood flow
foosh injuries are associated with what fx?
colles
where is scoliosis most common?
thoracic
cobb angle is determined?
highest and lowest angle
what is most prominent in a positive forward bend test?
scapula
what cobb angle do you need to do less conservative treatment?
20-29
central compartment of hips has?
mostly labrum
peripheral compartment is mostly?
femoral neck
anterior compartment is mostly what?
iliopsoas
what tests fall into central compartment?
labral loading, labral distraction, and scour (infinity sign)
what does faber stand for?
Flexed ABducted External Rotated
patrick’s 2 (faber test) patient pushes leg?
TO the table
what does Trendelberg test?
gluteus medius on non-weight bearing side
most common direction for shoulder dislocation?
anterior and inferior
anterior drawer tests for?
ACL tear
which sex has bigger Q angle?
females cuz babies
