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This research study is looking to compare the effects of two uniquely different power training interventions (high force, lower velocity versus low force, high velocity) on changes in mobility status among older individuals at risk for mobility disability.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| High velocity low force Power Training | Experimental | Lower Extremity high velocity power training performed at lower external resistance (40% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
|
| Low velocity high force Power Training | Experimental | Lower extremity low velocity power training performed at high external resistance (70% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| High velocity low force Power Training | Behavioral | Lower Extremity high velocity power training performed at lower external resistance (40% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
| Measure | Description | Time Frame |
|---|---|---|
| Leg Extensor Muscle Power | Leg extensor muscle power measured on pneumatic strength testing equipment at a external force consistent with 70% of the participant maximum leg extensor strength. | Change from baseline to Week 16 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Roger A Fieilding, Ph D. | Jean Mayer USDA Human Nutrition Research Center on Aging | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Jean Mayer USDA Human Nutrition Research Center on Aging | Boston | Massachusetts | 02111 | United States |
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| ID | Title | Description |
|---|---|---|
| FG000 | High Velocity Low Force Power Training | Lower extremity high velocity power training performed at lower external resistance (40% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
| FG001 | Low Velocity High Force Power Training | Lower extremity low velocity power training performed at high external resistance (70% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | High Velocity Low Force Power Training | Lower extremity high velocity power training performed at lower external resistance (40% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
| BG001 |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Leg Extensor Muscle Power | Leg extensor muscle power measured on pneumatic strength testing equipment at a external force consistent with 70% of the participant maximum leg extensor strength. | 4 participants dropped out of study before follow up | Posted | Mean | Standard Error | Watts | Change from baseline to Week 16 |
|
4 months
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | High Velocity Low Force Power Training | Lower extremity high velocity power training performed at lower external resistance (40% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| General | Infections and infestations | Systematic Assessment | Upper respiratory infection |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Roger Fielding | Jean Mayer USDA HNRCA, Tufts University | 6175563083 | Roger.Fielding@tufts.edu |
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| ID | Term |
|---|---|
| D051346 | Mobility Limitation |
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D001519 | Behavior |
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|
| Low velocity high force Power Training | Behavioral | Lower extremity low velocity power training performed at high external resistance (70% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
|
| Low Velocity High Force Power Training |
Lower extremity low velocity power training performed at high external resistance (70% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). |
| BG002 | Total | Total of all reporting groups |
| years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Race and Ethnicity Not Collected | Race and Ethnicity were not collected from any participant. | Count of Participants | Participants |
|
|
|
| 0 |
| 25 |
| 1 |
| 25 |
| EG001 | Low Velocity High Force Power Training | Lower extremity low velocity power training performed at high external resistance (70% of the 1 repetition maximum muscle strength). Leg and knee extension exercises were performed twice per week (3 sets of each exercise consisting of 10 repetitions). | 0 | 27 | 3 | 27 |
| Musculoskeletal | Musculoskeletal and connective tissue disorders | Systematic Assessment | Hamstring and back pain |
|
| Pulmonary | Respiratory, thoracic and mediastinal disorders | Systematic Assessment | Exacerbation of COPD |
|
| Musculoskeletal | Musculoskeletal and connective tissue disorders | Systematic Assessment | Non-injurious fall |
|
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