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This research focuses on studying the effects of a 12-week exercise program on the health of individuals at risk of heart disease. The program includes High-Intensity Interval Training (HIIT) and Muscle Endurance Resistance Exercise (ERE). The researchers aim to observe the impact of these exercises on physiological adaptability, physical capacity, cardiovascular risk factors, metabolism, body composition, and chronic pain.
The participants will be inactive adults with a Body Mass Index (BMI) between 25 and 39.9, who are enrolled in a cardiovascular health program. Individuals with certain serious conditions, such as bone or heart problems, pulmonary diseases, cancer, or those who do not adequately understand instructions or Spanish, are ineligible to participate.
Patients will be selected by the program team and divided into three groups: one will perform HIIT, another will engage in ERE, and a control group will continue their usual treatment. Participants will be assessed at different times: before starting, at 4 weeks, at 8 weeks, and at the end of the program. Various health aspects will be measured, including physical activity, quality of life, physical capacity, cardiovascular risk factors, metabolism, body composition, and pain level.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| High-Intensity Interval Training | Experimental | This High-Intensity Interval Training (HIIT) program, structured to span 12 weeks, incorporates three sessions per week. Each session comprises 8 to 10 exercise intervals on a cycle ergometer. During these intervals, participants are required to reach an intensity level between 8 and 10 points, based on the modified Borg scale, which ranges from 1 to 10 points. A typical interval involves 1 minute of intensive pedaling, followed by a 2-minute rest period without any activity. To facilitate progressive development, the resistance of the cycle ergometer will be adjusted biweekly to increase the pedaling challenge. Despite these adjustments, participants should consistently maintain their effort intensity within the 8 to 10 point range on the modified Borg scale for each interval. |
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| Resistance Training | Experimental | This training protocol, spanning a duration of 12 weeks, consists of three weekly sessions. In each session, participants will engage in Elastic Resistance Exercises (ERE) using Theraband elastic bands (CLX). The focus will be on both concentric and eccentric contractions, maintaining an intensity level of 8 to 10 as per the Resistance Exercise Scale (OMNI-RES). Each exercise will be conducted for 1 minute, followed by a 2-minute rest period. Each exercise will be repeated three times within the session. The specific exercises include bicep curls, seated horizontal rows, and wide squats. To ensure proper progression and adaptation, the exercise load will be adjusted biweekly. This adjustment will be based on the physiological adaptations of the subjects to the training, aiming to recalibrate the loads to new resistance thresholds and maintain a consistent intensity of 8 to 10 on the OMNI-RES scale for each exercise. |
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| Control | No Intervention |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| High-Intensity Interval Training | Behavioral | This High-Intensity Interval Training (HIIT) program, structured to span 12 weeks, incorporates three sessions per week. Each session comprises 8 to 10 exercise intervals on a cycle ergometer. During these intervals, participants are required to reach an intensity level between 8 and 10 points, based on the modified Borg scale, which ranges from 1 to 10 points. A typical interval involves 1 minute of intensive pedaling, followed by a 2-minute rest period without any activity. To facilitate progressive development, the resistance of the cycle ergometer will be adjusted biweekly to increase the pedaling challenge. Despite these adjustments, participants should consistently maintain their effort intensity within the 8 to 10 point range on the modified Borg scale for each interval. |
| Measure | Description | Time Frame |
|---|---|---|
| Systolic and Diastolic Blood Pressure | Pressure in the arteries during and between heartbeats. (mmHg) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Heart Rate | Number of heartbeats per minute. (bpm) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Body Composition | Percentage of Fat and Lean Mass: Proportion of fat and lean mass in the body. (%) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Metabolic Flexibility | Indirect Calorimetry: Measurement of energy expenditure and substrates balance. (kcal) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Pain Intensity: | The Chronic Pain Grade Scale is a self-report instrument assessing the intensity and disability associated with chronic pain. It comprises 8 items, 7 of which are in an 11-point Likert format, totaling a range from 0 to 70 points. The final score is derived from summing items 2 to 8. Items 2, 3, and 4 address pain intensity, while items 5, 6, 7, and 8 pertain to disability related to chronic pain. Chronic pain grading based on this scale is classified as: Grade I (low intensity): considering less than 15 points in pain intensity items and less than 17 points in disability items. Grade II (high intensity): 15 points or more in pain intensity items and less than 17 points in disability items. Grade III (moderately limiting): 17 to 24 points in disability items. Grade IV (severely limiting): 25 to 40 points in disability items. |
| Measure | Description | Time Frame |
|---|---|---|
| Sociodemographic and Medical Background |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Johnattan Cano Montoya | Universidad San Sebastián | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Universidad San Sebastián | Valdivia | Los Ríos Region | Chile |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 40217506 | Derived | Cano-Montoya J, Rojas Vargas M, Baez Vargas S, Nunez Vergara C, Martinez Huenchullan S, Gallegos F, Alvarez C, Izquierdo M. Impact of resistance and high-intensity interval training on body composition, physical function, and temporal dynamics of adaptation in older women with impaired cardiometabolic health: a randomized clinical trial. BMC Sports Sci Med Rehabil. 2025 Apr 11;17(1):78. doi: 10.1186/s13102-025-01119-0. |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP_ICF | Yes | Yes | Yes | Study Protocol, Statistical Analysis Plan, and Informed Consent Form | Dec 21, 2023 | Dec 22, 2023 | Prot_SAP_ICF_000.pdf |
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| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D010146 | Pain |
| D059350 | Chronic Pain |
| D059352 | Musculoskeletal Pain |
| ID | Term |
|---|---|
| D001519 | Behavior |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D000072696 | High-Intensity Interval Training |
| D055070 | Resistance Training |
| ID | Term |
|---|---|
| D064797 | Physical Conditioning, Human |
| D015444 | Exercise |
| D009043 | Motor Activity |
| D009068 | Movement |
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The concealment of allocation will be conducted by a researcher not involved in the clinical procedures of the intervention using the method of opaque, sealed, and consecutively numbered envelopes. The random sequence and allocation concealment allow for the control of selection bias.
For enhanced bias control, the data analysis will be performed by a researcher blinded to the intervention groups.
Participants in the control group will be instructed to maintain their current lifestyle and exercise habits throughout the duration of the study. This includes adhering to their prescribed medication regimen as usual.
|
| Resistance Training | Behavioral | This training protocol, spanning a duration of 12 weeks, consists of three weekly sessions. In each session, participants will engage in Elastic Resistance Exercises (ERE) using Theraband CLX elastic bands. The focus will be on both concentric and eccentric contractions, maintaining an intensity level of 8 to 10 as per the OMNI-RES scale. Each exercise will be conducted for 1 minute, followed by a 2-minute rest period. Each exercise will be repeated three times within the session. The specific exercises include bicep curls, seated horizontal rows, and wide squats. To ensure proper progression and adaptation, the exercise load will be adjusted biweekly. This adjustment will be based on the physiological adaptations of the subjects to the training, aiming to recalibrate the loads to new resistance thresholds and maintain a consistent intensity of 8 to 10 on the OMNI-RES scale for each exercise. |
|
| Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Pressure Pain Threshold (PPT): | Pressure Algometer Measurement: Minimum amount of pressure that induces pain. (kg) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Pain Characterization: | The characterization of chronic pain will be conducted using questions 15 and 16 (based on the neuropathic pain 4 questionnaire) from the 2013 validated Chilean survey of non-oncological chronic pain. These questions allow for the categorization of pain as either somatic or neuropathic, as detailed below: Somatic Pain: Sharp, widespread (in a nonspecific area), a specific area related to some movement, a squeeze. Neuropathic Pain: Burning, cold pain, electric, tingling, prickling, itching, needle sensation, numbness. | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Handgrip strength | Handgrip Dynamometry: Measurement of handgrip strength. (kgf or N) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Cardiorespiratory fitness | 6-minute walk test: The objective is to assess an individual's functional capacity and cardiorespiratory endurance. The primary measurement unit is the distance covered in meters during the 6 minutes | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Fasting Glucose | Blood glucose level after a fasting period. (mg/dL) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Glycated Hemoglobin (HbA1c): | Percentage of glucose-bound hemoglobin in the blood. (%) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Lipid Profile | Set of tests to measure cholesterol and triglycerides. (mg/dL) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Pre-Intervention: Initial assessment before the training |
| Physical Activity Level | The International Physical Activity Questionnaire (IPAQ) is a recognized instrument for assessing physical activity in adults. This survey outlines the frequency (measured in days per week) and duration (hours and minutes per day) of physical activities categorized into four intensity levels: sedentary, walking, moderate physical activity, and vigorous physical activity. For each intensity level, the units of measurement are expressed in days per week and hours or minutes per day, with specific Metabolic Equivalent Task (METs) values assigned to each activity (Walking: 3.3 METs, Moderate Physical Activity: 4 METs, Vigorous Physical Activity: 8 METs). The responses can be converted into MET-minutes/week, enabling a quantitative and consistent comparison of total physical activity, encompassing various types and intensities. | Pre-Intervention: Initial assessment before the training. |
| Health-related quality of life | The (Short Form Health Survey - 36 is a questionnaire designed to measure health-related quality of life. It consists of 36 items covering eight health domains: physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional, and mental health. Each domain is scored separately, and the scores are transformed into a 0 to 100 scale, where a higher score indicates better quality of life or less impact of the illness in that dimension. | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Height | Individual's height. (cm) | Pre-Intervention: Initial assessment before the training. |
| Weight | Total body mass. (kg) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Body Mass Index | The Body Mass Index (BMI) is a metric used to assess the relationship between an individual's weight and height, thereby estimating their weight category, which can range from underweight to obesity. It is calculated by dividing a person's weight in kilograms by the square of their height in meters. The formula is: BMI = weight (kg) / [height (m)]^2 The unit of measurement for BMI is kg/m² (kilograms per square meter). | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| Waist Circumference | Measurement of the abdominal circumference. (cm) | Pre-Intervention: Initial assessment before the training. Week 4: Mid-program evaluation. Week 8: Eight-week assessment. Post-Intervention (Week 12): Final evaluation after 12 weeks. |
| D009135 | Muscular Diseases |
| D009140 | Musculoskeletal Diseases |
| D009142 |
| Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |
| D005081 | Exercise Therapy |
| D012046 | Rehabilitation |
| D000359 | Aftercare |
| D003266 | Continuity of Patient Care |
| D005791 | Patient Care |
| D013812 | Therapeutics |
| D026741 | Physical Therapy Modalities |