I'm sure your therapist can use this to adjust your stroke protocol.
http://www.scielo.br/scielo.php?pid=S1413-35552013000100013&script=sci_arttext&tlng=en
ABSTRACT
BACKGROUND:
The extent to which muscle length affects force production in
paretic lower limb muscles after stroke in comparison to controls has
not been established.
OBJECTIVES: To investigate knee
flexor strength deficits dependent on hip joint position in adults
with hemiparesis and compare with healthy controls.
METHOD:
a cross-sectional study with ten subjects with chronic (63±40
months) hemiparesis with mild to moderate lower limb paresis (Fugl-Meyer
score 26±3) and 10 neurologically healthy controls. Isometric knee
flexion strength with the hip positioned at 90° and 0° of flexion was
assessed randomly on the paretic and non-paretic side of hemiparetic
subjects and healthy controls. Subjects were asked to perform a
maximal isometric contraction sustained for four seconds and measured
by a dynamometer. The ratio of knee flexor strength between these
two hip positions was calculated: Hip 0°/Hip 90°. Also, locomotor
capacity was evaluated by the timed up and go test and by walking
velocity over 10 meters.
RESULTS: In subjects with
hemiparesis, absolute knee flexion torque decreased (p <0.001) with
the hip in extension (at 0°). The ratio of knee flexor torque Hip
0°/Hip 90° on the paretic side in hemiparetics was lower than in
controls (p=0.02).
CONCLUSIONS: Weakness dependent on
joint position is more significant in the paretic lower limb of
adults with hemiparesis when compared to controls. More attention
should be given to lower limb muscle strengthening exercises in
individuals with stroke, with emphasis on the strengthening exercises in
positions in which the muscle is shortened.
Use the labels in the right column to find what you want. Or you can go thru them one by one, there are only 29,120 posts. Searching is done in the search box in upper left corner. I blog on anything to do with stroke.DO NOT DO ANYTHING SUGGESTED HERE AS I AM NOT MEDICALLY TRAINED, YOUR DOCTOR IS, LISTEN TO THEM. BUT I BET THEY DON'T KNOW HOW TO GET YOU 100% RECOVERED. I DON'T EITHER, BUT HAVE PLENTY OF QUESTIONS FOR YOUR DOCTOR TO ANSWER.
Changing stroke rehab and research worldwide now.Time is Brain! trillions and trillions of neurons that DIE each day because there are NO effective hyperacute therapies besides tPA(only 12% effective). I have 523 posts on hyperacute therapy, enough for researchers to spend decades proving them out. These are my personal ideas and blog on stroke rehabilitation and stroke research. Do not attempt any of these without checking with your medical provider. Unless you join me in agitating, when you need these therapies they won't be there.
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My blog is not to help survivors recover, it is to have the 10 million yearly stroke survivors light fires underneath their doctors, stroke hospitals and stroke researchers to get stroke solved. 100% recovery. The stroke medical world is completely failing at that goal, they don't even have it as a goal. Shortly after getting out of the hospital and getting NO information on the process or protocols of stroke rehabilitation and recovery I started searching on the internet and found that no other survivor received useful information. This is an attempt to cover all stroke rehabilitation information that should be readily available to survivors so they can talk with informed knowledge to their medical staff. It lays out what needs to be done to get stroke survivors closer to 100% recovery. It's quite disgusting that this information is not available from every stroke association and doctors group.
Tuesday, April 2, 2013
Strength deficit of knee flexors is dependent on hip position in adults with chronic hemiparesis
Labels:
flexors,
lower limb,
protocols,
therapists
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