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The goal of this clinical trial is to learn if drug ABC works to evaluate the effectiveness of an mHealth application to promote home-based exercise in adults aged 65 and older. The objectives are:
Primary objective:
• To evaluate the effect of the mHealth application on increasing moderate-to-vigorous physical activity levels.
Secondary objectives:
Researchers will compare a group using an mHealth application to a group not using the application to determine whether it effectively increases physical activity.
Participants will:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| MIA intervention | Experimental | Participants will use the mHealth app to engage in home-based workouts aimed at promoting physical activity. The app provides exercises lasting approximately 12-15 minutes each, which participants are encouraged to perform regularly to achieve a total of at least 150 minutes of moderate-to-vigorous physical activity per week. The intervention period spans 8 weeks, during which participants should follow the app's guidance to complete the recommended workouts and track their progress. Participan |
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| No intervention with MIA | No Intervention | Participants in the control group will be instructed to maintain their usual physical activity, dietary habits, and sleep patterns for the 8-week study duration. They will be asked to refrain from engaging in any specialized exercise training during this time. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| MIA | Other | Through a collaborative co-creation process, MIA, a mHealth app was developed and refined over multiple iterations with the goal of promoting physical activity and fostering a lifestyle centred around an active and healthy approach. Content and design were derived from both the co-creative workshops and based on the theoretical framework of the intervention functions of the BCW. The final mHealth app is composed by five major features:
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| Measure | Description | Time Frame |
|---|---|---|
| MVPA | Moderate-to-vigorous physical activity (MVPA) will be assessed using a wearable activity tracker, the Garmin Vivomart 5, which allows for continuous, 24/7 monitoring of physical activity. This device tracks various types of movement throughout the day, providing comprehensive data on activity levels and enabling detailed analysis of participants' physical activity patterns over time. | From enrollment to 3 months post-intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Gait speed | Gait speed will be measured using the Six Minute Walking Test performed according to the ERS/ATS (22). The absolute distance walked in the test will be used for analysis, and compared with normative values. | From enrollment to the end of intervention at 8 weeks |
| Quadriceps force |
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Inclusion Criteria:
The participant is not experiencing any recent or ongoing acute medical conditions, such as infections, recent surgeries, or injuries, that could interfere with participation in the study.
Exclusion Criteria:
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41193218 | Derived | Quadflieg K, Robijns J, Daniels K. Evaluating the effectiveness of an mHealth application to promote home-based exercise in adults aged 65 years and older: protocol for a randomised controlled trial. BMJ Open. 2025 Nov 4;15(11):e106629. doi: 10.1136/bmjopen-2025-106629. |
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Isometric quadriceps force will be assessed using the Kinvent®2016 (Kinvent, Montpellier, France) handheld dynamometer. Participants will be tested while sitting in an upright position. The assessor applies resistance and askes the participant to maximally contract the muscle against the resistance. At least three maximal efforts will be performed and the test will be repeated until reproducible measurements (less than 10 % variability) are obtained. The highest value will be used for analyses and compared with normative values. |
| From enrollment to the end of intervention at 8 weeks |
| Handgrip strength | Handgrip strength will be measured isometrically using the K-Force Grip® (Kinvent, Montpellier, France) while sitting in the upright position with the elbow flexed 90◦ and the wrist in a neutral position. Three maximal efforts will be performed and repeated until reproducible measurements (less than 10 % variability) will be obtained. The highest value will be used for analysis and compared with normative values. | From enrollment to the end of intervention at 8 weeks |
| Balance | Postural balance will be assessed using the Kinvent PLATES v3® (Kinvent, Montpellier, France). Participants will undergo a double leg balance test three times for 10 seconds with eyes opened and eyes closed, followed by a single leg balance test consisting of three repetitions for each leg with eyes opened. | From enrollment to the end of intervention at 8 weeks |
| Fall risk | The Timed Up & Go test will be conducted to evaluate fall risk. Participants will be observed and timed as they stand up from an armchair, walk three meters, turn around, walk back, and sit down again. | From enrollment to the end of intervention at 8 weeks |
| Flexibility | The Sit and Reach test will assess the spinal flexibility and hamstring length/flexibility. Participants will be seated on the floor with their legs extended and feet placed flat against a sit-and-reach box. A measuring scale will be attached to the top of the box. With their hands placed on top of the other, participants will be instructed to reach forward toward their toes as far as possible. The distance reached will be recorded using the measuring scale. The highest value will be used for analysis. | From enrollment to the end of intervention at 8 weeks |
| Muscle power | Muscle power will be assessed by the 30 s Sit-to-stand (STS) muscle power test. Briefly, the subjects will perform as many STS repetitions as possible in 30 s on a standardized armless chair from the sitting position-buttocks touching the chair-to the full standing position, with their arms crossed over the chest. Verbal encouragement will be given throughout the test. The participants will be allowed to try one to two times before the definitive measure was annotated. | From enrollment to the end of intervention at 8 weeks |
| Daily steps | Daily steps will be assessed using a wearable activity tracker, the Garmin Vivomart 5. | From enrollment to 3 months post-intervention |
| IPAQ-SF | The International Physical Activity Questionnaire - Short Form. The total score will be classified into three categories: low, moderate, and high physical activity, according to the IPAQ scoring guidelines. | From enrollment to the end of intervention at 8 weeks |
| ESES | The Exercise Self-Efficacy Scale. The total score ranges between 10 and 40. Higher scores represent higher confidence to carry out physycial activity. | From enrollment to the end of intervention at 8 weeks |
| BREQ | The Behavioural Regulations in Exercise Questionnaire. The total score will be transformed to a RAI score. Higher score represent higher self determination for physical activity. | From enrollment to the end of intervention at 8 weeks |
| PACES | The Physical Activity Enjoyment Scale. The total score ranges between 8 and 56. Higher scores represent greater enjoyment for physical activity. | From enrollment to the end of intervention at 8 weeks |
| Cognitive function | The assessment of cognitive functioning will be conducted using the SWAY (SWAY Medical Inc. in Tulsa, OK, USA). The cognitive performance segment of the app encompasses three modules focusing on memory, reaction time, and impulse control. Based on the results, participants will be classified into percentiles ranging from vary low (<10%) to very high (>10%). | From enrollment to the end of intervention at 8 weeks |
| WHO-QoL | The World Health Organization Quality of Life questionnaire. The total score ranges between 0 and 100. Higher scores represent higher quality of life. | From enrollment to the end of intervention at 8 weeks |
| PSS | The Perceived Stress Scale. The total score ranges between 0 and 40. Higher scores represent higher perceived stress. | From enrollment to the end of intervention at 8 weeks |
| GSQ | The Geriatric Sleep Questionnaire. The total score ranges between 6 and 30. Higher scores represent poorer sleep quality. | From enrollment to the end of intervention at 8 weeks |
| SUS | The System Usability Scale. The total score ranges between 1 and 100. Higher scores represent high usability. | From enrollment to the end of intervention at 8 weeks |
| NPS | The Net Promoter Score. Total score ranges between 1 and 10. Higher scores represent higher loyalty. | From enrollment to the end of intervention at 8 weeks |
| CSAT | The Customer Satisfaction Score. Total score ranges between 1 and 5. Higher scores represent higher satisfaction. | From enrollment to the end of intervention at 8 weeks |