Pelvic Obliquity:
Pelvic obliquity. Its causes and its treatment.
Pelvic Obliquity Exercises | LIVESTRONG.COM
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http://clinicaltrials.gov/ct2/show/NCT01684267Detailed Description:
The
device is designed to train stroke patients to correct abnormal gait
patterns associated with exaggerated and uncoordinated movements of the
pelvis by applying force fields to correct the movement of the pelvis.
The focus will be on correcting hip hiking (i.e. exaggerated unilateral
upward movements of one side of the pelvis) in post-stroke patients. The
human-robot interface will be based on impedance control techniques so
that the force-field actuators generate smooth virtual spring/damper
restitution forces at the patient's pelvic area.
As part of the study we
will determine whether the force fields applied by the actuated
components of the device can effect an acute change in gait
biomechanics, primarily pelvis motion during stance and swing phases, in
healthy subjects and patients with stroke during ambulation. We will
also evaluate the usability of the orthosis in terms of donning &
doffing, user confidence, and comfort.
Eligibility
| Ages Eligible for Study: | 30 Years to 70 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
| Sampling Method: | Probability Sample |
Study Population
Healthy subjects and chronic stroke survivors
Criteria
HEALTY
Inclusion Criteria:
- Can walk comfortably on a treadmill
Exclusion Criteria:
- any known orthopedic, musculoskeletal, neurological, cardiovascular, pulmonary, or gait disorder that results in an abnormal gait pattern
- Females in the second or third trimester of pregnancy
STROKE
Inclusion Criteria:
- single non-traumatic ischemic or hemorrhagic stroke at least 6 months prior to enrollment
- persistent hemiparesis, mild spasticity, and residual mild-to-moderate weakness of the lower extremity
- residual deficits of gait
- be able to ambulate without the use of assistive devices or assistance of a person
- able to walk at a comfortable walking speed of ~0.6 m/s
- able to walk safely on a treadmill
- medically stable
- No other neurological problems, or any known cardiovascular or musculoskeletal disorders that effects their gait or excludes them from exercise
Exclusion Criteria:
- unable to attend and follow instructions
- require physical assistance for ambulation
- other known orthopedic, musculoskeletal, neurological, cardiovascular, pulmonary, or gait disorder that results in an abnormal gait pattern
- severe joint contractures of the hemi-paretic knee
- females in the second or third trimester of pregnancy
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