- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00924261
Age-Related Gait Changes and Hip Flexibility
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
- Test the hypothesis that both passive and dynamic hip extension during comfortable and fast walking speeds are reduced in the elderly groups compared to passive and dynamic peak hip extension in healthy young adults.
- Test the hypothesis, separately for each elderly group, controlling for co-factors, that there is greater change in step length in the treatment group compared to the control group, after controlling for co-variates. We also expect greater changes in dynamic hip peak extension, a reduction in anterior pelvic tilt, improvement in age-related reductions in peak ankle plantar flexion and ankle power generation, and in dynamic CoM-CoP moment arm during both comfortable and fast walking, and an increase in comfortable walking speed.
- Test the hypothesis separately for the frail elderly group who cannot independently perform IADL only, controlling for co-factors, that there is a greater change in secondary, non quantitative gait-parameters of the Timed Get Up and Go Test, Activities of Daily Living, Instrumental ADL function, fear of falling and number of falls during 6 months following intervention.
- Test the hypothesis that the created forward dynamic model can accurately predict in individual subjects, the actual effect of an increase in passive peak hip extension on dynamic peak hip extension, anterior pelvic tilt, peak ankle plantar flexion and step length.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Virginia
-
Charlottesville, Virginia, United States, 22903
- Department of Physical Medicine and Rehabilitation, University of Virginia
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Healthy Elderly Adult Subjects:
- 100 subjects aged 65 years and older will be recruited from the Charlottesville area.
- Participants will be asked to fill out a health questionnaire identical to that used for all preliminary studies. This questionnaire verifies that the participants meet the inclusion criteria for the proposed research project.
- After this initial health questionnaire screening, each participant will undergo a face-to-face history and physical examination screening.
Frail Elderly Subjects:
- 100 subjects aged 65 years and older who meet the criteria of not being able to function independently, which is considered to be frail, living within the greater Charlottesville area will be recruited for participation in the study.
Exclusion Criteria:
Healthy Elderly:
- acute medical illness,
- diagnosis or symptoms of unstable angina or congestive heart failure,
- pulmonary diagnosis or symptoms of emphysema, chronic obstructive disease or asthma and shortness of breath as a result of pulmonary diagnosis brought about by walking on a flat surface,
- advanced cancer,
- neurologic diagnosis including Parkinson's Disease, stroke, brain injury, cerebellar disease, myelopathy, myopathy, peripheral neuropathy, or active radiculopathy,
- major orthopedic diagnosis in the lower back, pelvis, or lower extremities, including hip or other fracture since the age of 50, fused joint, joint replacement, or amputation,
- severe osteoarthritis or rheumatoid arthritis or active joint or musculoskeletal pain in the back or lower extremities occurring at rest or with walking,
- severe osteoporosis with a history of a fragility fracture occurring in the past 12 months, and
- regular use of an assistive device for walking.
Exclusion criteria per physical examination will be:
- physical signs of congestive heart failure,
- muscle weakness (less than 4/5 manual muscle test strength in lower extremities or focal findings of 1/5 strength difference between sides or upper and lower extremities), absent knee extensor reflexes or positive Babinski responses,
- corrected visual acuity worse than 20/100 or presence of a field defect,
- poor mental state defined with a Mini-Mental Status Examination score less than or equal to 24/30,133
- orthostatic hypotension (greater than 20mmHg decline in systolic blood pressure from supine to standing at one minute), and
- unilateral sensory deficit in lower extremities, bilateral sensory loss in stocking distribution, proprioception less than 75% correct in identifying great toe position, or vibration (from with a 128Hz tuning fork) perceived for less than 10 seconds at either the great toe or medial malleolus in either extremity.
Frail Elderly (who do not Function Independently):
- are unable to walk independently (i.e., unable to walk without the assistance of another person), or
- have either an acute medical condition or a chronic underlying medical condition which would make it unfeasible or unsafe to participate.
Regular use of an assistive device, such as a cane, for walking is not an exclusion criterion as long as:
- when using the device, the subject does not require the assistance of another person and
- the subject can walk without the assistive device (with supervisory, but not physical assistance if needed) for the length of the testing walkway, ten times (with rest periods between) at both his/her comfortable walking speed and at a faster walking speed.
Based upon the questionnaire or medical history, the following specific exclusion criteria will be used:
- acute medical illness,
- symptoms of angina or dyspnea brought about by walking on a flat surface,
- hip or knee replacement surgery or hip fracture in the previous six months,
- advanced cancer and/or life expectancy of less than 12 months,
- dementia or other illness characterized by cognitive impairment.
Based upon physical examination, subjects will be excluded if they have:
- physical signs of congestive heart failure,
- cognitive impairment defined as a Mini-Mental Status Examination score less than or equal to 24/30133 or
- orthostatic hypotension (greater than 20mm Hg decline in systolic blood pressure from supine to standing at one minute).
Study Plan
How is the study designed?
Design Details
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Hip Stretching
Kneeling Hip flexor stretch - 3 minutes a day, daily, for 10 weeks
|
Hip flexor stretch daily for 3 min x 10 weeks
Other Names:
|
Experimental: Shoulder Stretch
Shoulder Stretch - 3 minutes daily for 10 weeks
|
Shoulder Adduction stretch - 3 minutes, daily, for 10 weeks
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Hip Extension
Time Frame: 10 weeks
|
10 weeks
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Hip Flexibility
Time Frame: 10 weeks
|
10 weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Diedre C Kerrigan, MD, MS, University of Virginia
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 10101
- 5R01AG27192-3
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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