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The main objective of the study is to assess the feasibility of a randomized clinical trial that investigates the effects of an 8-week group exercise program on pain, disability, fear of falling, overall impression of recovery, frequency of falls and level of physical activity in elderly people with nonspecific low back pain.
The main objective of the study is to assess the feasibility of a randomized clinical trial that investigates the effects of an 8-week group exercise program on pain, disability, fear of falling, overall impression of recovery, frequency of falls and level of physical activity in elderly people with nonspecific low back pain. The evaluation of feasibility will be related to: (1) blinding the evaluator to allocate the groups; (2) eligibility and recruitment rates; (3) acceptability of random allocation to a group; (4) possible contamination between groups; (5) adherence to treatment; (6) satisfaction with the treatment; and (7) difficulty in understanding the information provided by the physiotherapist.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group-Based Exercise | Experimental | The group-based exercise (GBE) programme will be delivered by a physiotherapist. The GBE comprises three sessions per week of group-based exercise in a local community centre, for 8 weeks. |
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| Control Group | No Intervention | Participants randomly allocated to the control group will remain on a waiting list. In addition, weekly contact will be made to ensure that they do not start treatment during the study protocol. After the end of the study, participants randomly allocated to the control group will receive the same intervention as the Group-Based Exercise. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Group-Based Exercise | Other | Each group session will consist of 10 to 18 participants and each exercise session will last 60 minutes and consist of four stages: (1) five minutes warm up (i.e. self-regulated walk); (2) twenty minutes of moderate intensity walking (3) thirty minutes of resistance training for the major muscles of the leg, trunk and arm and balance exercises that progress in difficulty; (4) five-minute cool down period (i.e. self-regulated walk). The exercise intensity will be assessed by one of the following criteria: 1) Resistance training - Point of volitional fatigue. Walking - Somewhat difficult (Borg at 3 to 4). The intensity will be increased according to the ACSM guideline. The exercise was set up based on changes in instruments of evaluation of the older peoples as, Berg Balance Scale; Dynamic Gait Index and Timed Up and Go. In addition, exercises commonly used in primary health care groups. The protocol will take place in a gymnasium and will be supervised by a trained instructor. |
| Measure | Description | Time Frame |
|---|---|---|
| Feasibility of blinding the assessor | Feasibility of blinding will be assessed by asking the assessor two questions at the end of the follow-up assessment:
Assessor's guess regarding group assignment group will be recorded for each participant. The responses will be coded as correct or incorrect guess. The frequency and relative rates of 'Yes' and 'No' as the answer to the first question will be computed, as will the frequency and relative rates of correct and incorrect guesses. Finally, reasons for guesses will be recorded as verbatim and reported. | 8 weeks from randomization |
| Eligibility and recruitment rates | Eligibility and recruitment rates | 8 weeks from randomization |
| Acceptability of random allocation to a treatment group | Outcome assessor will ask the participants if random allocation to one of the two treatment groups is acceptable to the participants. Responses will be recorded as 'Acceptable', 'Not acceptable' or 'No preference'. The frequencies of each response will be computed separately for each treatment condition. | 8 weeks from randomization |
| Understanding possible contamination between the groups | Measures to assess: Have you talked to other participants in this study about the intervention they are receiving? Has your attitude towards the intervention changed after talking to the participant (s) in the other group? Are any of the participants in the other group aware of the type of intervention you are receiving in this study? The frequencies of the participants who responded affirmatively to each question will be computed separately for each treatment condition. | 8 weeks from randomization |
| Adherence to treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Pain intensity | Pain intensity measured with a Numerical Rating Scale from 0 to 10, , where 0 does not cause pain and 10 is the worst pain imaginable. | 8 weeks from randomization |
| Disability | Disability measured with the Roland-Morris Disability Questionnaire. The questionnaire has 24 items with scores of 0 or 1 (yes or no) and the total ranges from zero (suggesting no disability) to 24 (severe disability). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Vinicius C Oliveira | Contact | 31995696214 | vcunhaoliveira@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| LetÃcia Soares Fonseca | Federal University of the Valleys of Jequitinhonha and Mucur | Principal Investigator |
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| ID | Term |
|---|---|
| D017116 | Low Back Pain |
| D001416 | Back Pain |
| ID | Term |
|---|---|
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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Adherence to treatment measured by frequency during the intervention |
| 8 weeks from randomization |
| Satisfaction with the treatment | All the participants of the intervention group will be asked to respond an adapted version of the MedRisk Instrument for Measuring Patient Satisfaction With Physical Therapy Care at 1 week following treatment. The question asked will be:
The frequency of response for each question will be analyzed | 8 weeks from randomization |
| Difficulty in understanding the information provided by the physiotherapist | Difficulty in understanding the information provided by the physiotherapist measured on a five-point categorical scale: Very easy, Easy, Neither easy nor difficult, Difficult, Very difficult | 8 weeks from randomization |
| 8 weeks from randomization |
| Fear of falling | Fear of falling measured with the Falls Efficacy Scale- International. The Falls Efficacy Scale - International presents questions about the concern with the possibility of falling when performing 16 activities, with respective scores from one to four. The total score can range from 16 (no concern) to 64 (extreme concern). | 8 weeks from randomization |
| Level of physical activity | Level of physical activity measured with the Physical Activity Rating scale. It is a progressive scale with scores from 0 to 7, in which the most appropriate option for the history of physical activity practice in the last 30 days should be selected. | 8 weeks from randomization |
| Global perception of recovery | Global perception of recovery measured with Global Effect Perception Scale. This is a numerical scale where -3 represents "worse than ever", 0 "without modification" and 3 "completely recovered". A higher score means greater recovery from the condition. | 8 weeks from randomization |
| Frequency of falls | Frequency of falls assessed by the number of falls during the study period | 8 weeks from randomization |