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Effects of Exercise Snacks on Clinical and Health Outcomes

torstai 16. heinäkuuta 2026 päivittänyt: Chimei Medical Center

Effects of Exercise Snacks on Clinical and Health Outcomes in Sedentary Populations With Chronic Diseases

Physical inactivity and prolonged sedentary behavior are major health concerns, especially for individuals with chronic conditions such as diabetes and prediabetes. Many patients have difficulty following traditional exercise recommendations due to time constraints, limited physical capacity, comorbidities, or lack of access to exercise facilities. Therefore, new and more practical exercise strategies are needed.

"Exercise Snacks" is a novel physical activity approach that involves short bouts of exercise performed multiple times throughout the day. Each session is brief and easy to integrate into daily life, such as performing short periods of resistance exercises, brisk walking, stair climbing, or other simple activities. This approach may improve exercise adherence and provide health benefits without requiring long exercise sessions.

The purpose of this study is to evaluate the feasibility and acceptability of an Exercise Snacks intervention in sedentary adults with diabetes or prediabetes and to explore its potential effects on cardiovascular and metabolic health, physical function, and body composition.

In this study, sedentary adults aged 18-65 years with diabetes or prediabetes will participate in a 12-week study and will be randomly assigned to either an Exercise Snacks group or a control group. Participants in the Exercise Snacks group will perform short exercise sessions lasting approximately 3-5 minutes, including simple resistance exercises and short aerobic activities. These exercise sessions will be performed several times per day and integrated into daily routines. The control group will maintain their usual lifestyle without additional exercise intervention.

Participants may use wearable devices or mobile applications to receive reminders and record exercise activity. Assessments will be conducted before and after the intervention to evaluate physical activity adherence, physical function, body composition, blood pressure, blood glucose, and other cardiovascular and metabolic health indicators.

This study aims to determine whether short, frequent exercise sessions are a practical and effective alternative to traditional exercise recommendations for sedentary individuals with diabetes or prediabetes. The results of this study may help develop more feasible lifestyle intervention strategies to improve long-term exercise adherence and overall health in individuals with chronic diseases.

Tutkimuksen yleiskatsaus

Tila

Aktiivinen, ei rekrytointi

Ehdot

Interventio / Hoito

Käyttäytyminen: Exercise Snacks

Yksityiskohtainen kuvaus

Physical inactivity and prolonged sedentary behavior are recognized as major risk factors for cardiovascular disease, type 2 diabetes, obesity, and metabolic syndrome. Although current physical activity guidelines recommend at least 150 minutes of moderate-intensity exercise per week, many individuals with chronic conditions such as diabetes or prediabetes are unable to meet these recommendations due to time constraints, low exercise tolerance, comorbidities, or lack of access to exercise facilities. Therefore, alternative exercise strategies that are feasible, flexible, and sustainable are needed for sedentary populations with chronic diseases.

Exercise Snacks is an emerging exercise concept that involves performing short bouts of physical activity multiple times throughout the day rather than completing a single continuous exercise session. These short sessions typically last from 1 to 5 minutes and may include resistance exercises, stair climbing, brisk walking, or other moderate-to-high intensity activities. Previous studies suggest that accumulating short bouts of exercise throughout the day may improve glycemic control, cardiovascular fitness, muscle strength, and exercise adherence. However, the feasibility and acceptability of Exercise Snacks in sedentary individuals with diabetes or prediabetes remain insufficiently studied in clinical settings.

The primary aim of this study is to evaluate the feasibility and acceptability of an Exercise Snacks intervention among sedentary adults with diabetes or prediabetes. Secondary aims include evaluating the preliminary effects of the Exercise Snacks intervention on cardiovascular and metabolic health indicators, physical function, and body composition.

This study will recruit sedentary adults aged 18 to 65 years who have been diagnosed with diabetes or prediabetes. Participants will be randomly assigned to either the Exercise Snacks intervention group or the control group. The intervention period will last 12 weeks.

Participants in the Exercise Snacks group will perform short exercise sessions multiple times per day. Each exercise session will last approximately 3 to 5 minutes and will include simple resistance exercises (such as squats, split squats, resistance band exercises, and curl-ups) and short aerobic activities (such as brisk walking, stair climbing, running in place, or jumping jacks). Participants will be encouraged to perform at least 3 to 4 exercise sessions per day and integrate these activities into their daily routines. Exercise intensity and exercise type will be adjusted based on individual physical capacity and safety considerations.

Participants in the control group will maintain their usual lifestyle and will not receive the Exercise Snacks intervention during the study period.

Wearable devices or mobile applications may be used to provide exercise reminders, monitor exercise adherence, and record physical activity data. Assessments will be conducted before and after the 12-week intervention. Outcome measurements will include feasibility and acceptability questionnaires, physical function tests (such as the 6-Minute Walk Test and 3-Minute Step Test), body composition measurements (including body weight, body mass index, body fat percentage, muscle mass, waist circumference, and waist-to-hip ratio), and cardiovascular and metabolic indicators (including blood pressure, fasting blood glucose, and HbA1c).

The results of this study will help determine whether Exercise Snacks is a feasible and practical lifestyle intervention strategy for sedentary individuals with diabetes or prediabetes. This study may provide preliminary evidence for integrating short-duration, high-frequency physical activity into clinical lifestyle management programs for chronic disease populations.

Opintotyyppi

Interventio

Ilmoittautuminen (Arvioitu)

Vaihe

Ei sovellettavissa

Yhteystiedot ja paikat

Tässä osiossa on tutkimuksen suorittajien yhteystiedot ja tiedot siitä, missä tämä tutkimus suoritetaan.

Opiskeluyhteys

Nimi: Wen-Chun Tai, BS in Nutrition & Sports Med.
Puhelinnumero: 52524 +886-62812811
Sähköposti: mksfla6@gmail.com

Opiskelupaikat

Taiwan
- Yongkang Dist
  - Tainan, Yongkang Dist, Taiwan, 71004
    - Chimei Medical Center

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

Aikuinen
Vanhempi Aikuinen

Hyväksyy terveitä vapaaehtoisia

Kuvaus

Inclusion Criteria:

Age 18 to 65 years.
Diagnosed with diabetes mellitus (HbA1c ≥ 6.5%) or prediabetes (HbA1c ≥ 5.7%).
Engaging in less than 1 hour of physical activity per week in the past 3 months, assessed by the International Physical Activity Questionnaire (IPAQ).
Sedentary behavior defined as sitting for ≥ 6 hours per day or walking fewer than 5,000 steps per day on average.
Able to use a smartphone and operate related mobile applications.
Able to provide informed consent and willing to participate in the study.

Exclusion Criteria:

History of heart disease, kidney disease, pregnancy, cancer, lower limb joint disease, or psychiatric disorders.
Musculoskeletal or neurological disorders that limit independent physical activity or exercise.
Acute or terminal illness that may affect participation in the study, such as ongoing cancer treatment, acute myocardial infarction, acute stroke, or receiving palliative care.
Unstable or uncontrolled cardiovascular, metabolic, or respiratory diseases, such as unstable angina, uncontrolled hypertension (systolic blood pressure ≥ 180 mmHg), heart failure, severe chronic obstructive pulmonary disease, or acute exacerbation of respiratory disease.
Presence of metal implants in the body.
Body mass index (BMI) ≥ 35 kg/m².
Unable to use a smartphone or mobile applications.

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

Ensisijainen käyttötarkoitus: Ennaltaehkäisy
Jako: Satunnaistettu
Inventiomalli: Rinnakkaistehtävä
Naamiointi: Yksittäinen

Aseet ja interventiot

Osallistujaryhmä / Arm Osallistujaryhmä / Arm Kliinisen tutkimuksen osallistujien ryhmä tai alaryhmä, joka saa tietyn toimenpiteen/hoidon tai ei interventiota tutkimuksen protokollan mukaan.	Interventio / Hoito Interventio / Hoito Prosessi tai toiminta, joka on kliinisen tutkimuksen painopiste. Interventioihin kuuluvat lääkkeet, lääkinnälliset laitteet, toimenpiteet, rokotteet ja muut tuotteet, jotka ovat joko tutkittavia tai jo saatavilla. Interventiot voivat sisältää myös ei-invasiivisia lähestymistapoja, kuten koulutusta tai ruokavalion ja liikunnan muokkaamista.
Kokeellinen: Exercise Snacks Group Participants assigned to the Exercise Snacks group will perform short bouts of exercise multiple times throughout the day for 12 weeks. Each exercise session will last approximately 3-5 minutes and will include simple resistance exercises (such as squats, split squats, resistance band exercises, and curl-ups) and short aerobic activities (such as brisk walking, stair climbing, running in place, or jumping jacks). Participants will be encouraged to perform at least 3-4 exercise sessions per day and integrate these activities into their daily routine. Exercise intensity and duration will be adjusted according to individual physical capacity. Wearable devices or mobile applications may be used to provide reminders and record exercise adherence.	Käyttäytyminen: Exercise Snacks The Exercise Snacks intervention consists of short bouts of physical activity performed multiple times throughout the day. Each exercise session lasts approximately 3 to 5 minutes and includes simple resistance exercises and short aerobic activities. Resistance exercises may include squats, split squats, resistance band exercises, and curl-ups, while aerobic activities may include brisk walking, stair climbing, running in place, or jumping jacks. Participants will be encouraged to perform at least 3 to 4 exercise sessions per day and integrate these short exercise sessions into their daily routines. Exercise intensity and exercise type will be adjusted according to individual physical capacity and safety considerations. The intervention will be conducted over a 12-week period. Wearable devices or mobile applications may be used to provide exercise reminders, monitor adherence, and record physical activity. Muut nimet: Intermittent Physical Activity Short-bout Exercise Physical Activity Snacks
Ei väliintuloa: Control Group Participants assigned to the control group will maintain their usual lifestyle and physical activity habits during the 12-week study period and will not receive the Exercise Snacks intervention. Outcome assessments will be conducted at baseline and at the end of the study period.

Osallistujaryhmä / Arm

Interventio / Hoito

Kokeellinen: Exercise Snacks Group

Participants assigned to the Exercise Snacks group will perform short bouts of exercise multiple times throughout the day for 12 weeks. Each exercise session will last approximately 3-5 minutes and will include simple resistance exercises (such as squats, split squats, resistance band exercises, and curl-ups) and short aerobic activities (such as brisk walking, stair climbing, running in place, or jumping jacks). Participants will be encouraged to perform at least 3-4 exercise sessions per day and integrate these activities into their daily routine. Exercise intensity and duration will be adjusted according to individual physical capacity. Wearable devices or mobile applications may be used to provide reminders and record exercise adherence.

Käyttäytyminen: Exercise Snacks

The Exercise Snacks intervention consists of short bouts of physical activity performed multiple times throughout the day. Each exercise session lasts approximately 3 to 5 minutes and includes simple resistance exercises and short aerobic activities. Resistance exercises may include squats, split squats, resistance band exercises, and curl-ups, while aerobic activities may include brisk walking, stair climbing, running in place, or jumping jacks. Participants will be encouraged to perform at least 3 to 4 exercise sessions per day and integrate these short exercise sessions into their daily routines. Exercise intensity and exercise type will be adjusted according to individual physical capacity and safety considerations. The intervention will be conducted over a 12-week period. Wearable devices or mobile applications may be used to provide exercise reminders, monitor adherence, and record physical activity.

Muut nimet:

Intermittent Physical Activity
Short-bout Exercise
Physical Activity Snacks

Ei väliintuloa: Control Group

Participants assigned to the control group will maintain their usual lifestyle and physical activity habits during the 12-week study period and will not receive the Exercise Snacks intervention. Outcome assessments will be conducted at baseline and at the end of the study period.

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus	Toimenpiteen kuvaus	Aikaikkuna
Feasibility and acceptability of the Exercise Snacks intervention Aikaikkuna: Baseline to 12 weeks	Feasibility and acceptability will be evaluated based on participant adherence, completion of the intervention, and participant-reported questionnaires assessing convenience, satisfaction, and willingness to continue the intervention. Additionally, adherence and satisfaction will be quantified using standardized indicators, with higher scores indicating better adherence and greater satisfaction and acceptability. The questionnaire will be assessed using a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree), e.g., assessed using the Exercise Adherence Rating Scale, EARS with items 2, 3, 4, and 6 being reverse-scored.	Baseline to 12 weeks

Toissijaiset tulostoimenpiteet

Tulosmittaus	Toimenpiteen kuvaus	Aikaikkuna
Change in physical function assessed by the 3-Minute Step Test Aikaikkuna: Baseline to 12 weeks	Physical function and cardiopulmonary endurance will be assessed using the 3-Minute Step Test, which evaluates participants' exercise capacity and functional fitness. Participants will perform a stepping exercise on a standardized step for 3 minutes at a fixed stepping rate. Heart rate will be measured immediately after exercise to assess cardiopulmonary endurance and recovery capacity. Lower post-exercise heart rates indicate better cardiovascular fitness. The Step Test Index will be calculated using the following formula: Step Test Index = Exercise duration (seconds) × 100 ÷ [2 × (sum of the three pulse counts)]. The calculated index will be classified into five fitness levels, with higher scores indicating better cardiopulmonary endurance and cardiovascular fitness.	Baseline to 12 weeks
Change in body weight (kg) Aikaikkuna: Baseline to 12 weeks	Body weight (kg) will be assessed at baseline and after the 12-week intervention to evaluate changes in body weight associated with the exercise snacks intervention. Comparisons of pre- and post-intervention measurements will be used to determine the potential effects of short-duration intermittent physical activity on body weight and overall body composition status.	Baseline to 12 weeks
Change in body mass index (BMI) Aikaikkuna: Baseline to 12 weeks	Body Mass Index (BMI) is calculated by dividing body weight in kilograms by height in meters squared. Body mass index (BMI, kg/m²) will be assessed at baseline and after the 12-week intervention to evaluate changes in body composition associated with the exercise snacks intervention. Comparisons between pre- and post-intervention measurements will be used to determine the effects of short-duration intermittent physical activity on overall weight status.	Baseline to 12 weeks
Change in body fat percentage (%) Aikaikkuna: Baseline to 12 weeks	Body fat percentage (%) will be measured before and after the intervention to evaluate changes in adiposity following the exercise snacks intervention. Pre- and post-intervention comparisons will be conducted to assess the potential effects of intermittent physical activity on body fat reduction and body composition improvement.	Baseline to 12 weeks
Change in muscle mass (kg) Aikaikkuna: Baseline to 12 weeks	Muscle mass (kg) will be assessed at baseline and after the intervention to evaluate changes in skeletal muscle status associated with the exercise snacks intervention. Comparisons of pre- and post-intervention measurements will be used to assess the potential effects of short-duration physical activity on muscle preservation and muscle mass improvement.	Baseline to 12 weeks
Change in waist circumference (cm) Aikaikkuna: Baseline to 12 weeks	Waist circumference (cm) will be measured before and after the intervention to evaluate changes in central adiposity and abdominal obesity. Pre- and post-intervention comparisons will be conducted to assess the effects of the exercise snacks intervention on abdominal fat distribution and anthropometric status.	Baseline to 12 weeks
Change in blood pressure (mmHg) Aikaikkuna: Baseline to 12 weeks	Blood pressure (mmHg) will be measured at baseline and after the 12-week intervention to evaluate changes in cardiovascular status associated with the exercise snacks intervention. Comparisons between pre- and post-intervention measurements will be used to assess the potential effects of short-duration intermittent physical activity on blood pressure control and cardiovascular health.	Baseline to 12 weeks
Change in low-density lipoprotein cholesterol (LDL-C) Aikaikkuna: Baseline to 12 weeks	Low-density lipoprotein cholesterol (LDL-C) levels (mg/dL) will be assessed before and after the intervention to evaluate changes in lipid metabolism and cardiovascular risk factors. Pre- and post-intervention comparisons will be conducted to assess the effects of the exercise snacks intervention on LDL-C levels and metabolic health.	Baseline to 12 weeks
Change in total cholesterol (CHOL) Aikaikkuna: Baseline to 12 weeks	Total cholesterol (CHOL) levels (mg/dL) will be assessed before and after the intervention to evaluate changes in lipid metabolism and cardiovascular risk factors. Pre- and post-intervention comparisons will be conducted to assess the effects of the exercise snacks intervention on total cholesterol levels and metabolic health.	Baseline to 12 weeks
Change in high-density lipoprotein cholesterol (HDL-C) Aikaikkuna: Baseline to 12 weeks	High-density lipoprotein cholesterol (HDL-C) levels (mg/dL) will be assessed before and after the intervention to evaluate changes in lipid metabolism and cardiovascular risk factors. Pre- and post-intervention comparisons will be conducted to assess the effects of the exercise snacks intervention on HDL-C levels and metabolic health.	Baseline to 12 weeks
Change in triglycerides (TG) Aikaikkuna: Baseline to 12 weeks	Triglyceride (TG) levels (mg/dL) will be assessed before and after the intervention to evaluate changes in lipid metabolism and cardiovascular risk factors. Pre- and post-intervention comparisons will be conducted to assess the effects of the exercise snacks intervention on triglyceride levels and metabolic health.	Baseline to 12 weeks
Change in fasting blood glucose (mg/dL) Aikaikkuna: Baseline to 12 weeks	Fasting blood glucose (mg/dL) will be measured at baseline and after the intervention to evaluate changes in glycemic control associated with the exercise snacks intervention. Comparisons of pre- and post-intervention measurements will be used to assess the potential effects of intermittent physical activity on glucose regulation and metabolic status.	Baseline to 12 weeks
Change in hemoglobin A1c (HbA1c) Aikaikkuna: Baseline to 12 weeks	Hemoglobin A1c (HbA1c, %) will be assessed before and after the 12-week intervention to evaluate long-term glycemic control. Pre- and post-intervention comparisons will be conducted to assess the effects of the exercise snacks intervention on average blood glucose levels and diabetes-related metabolic outcomes.	Baseline to 12 weeks

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Sponsori

Chimei Medical Center

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CMMC11502-004

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Effects of Exercise Snacks on Clinical and Health Outcomes