Research
Adherence
Interventions targeting only Physical Activity (PA) or combined PA and Sedentary Behavior (PA/SB) do NOT significantly reduce sedentary time in adults.
Simply exercising more or combining exercise with sitting reduction advice does not necessarily reduce your total sitting time. To reduce sitting, you need specific strategies focused on breaking up sitting time, not just adding exercise.
GoodRefutesHIGH confidence
There was no evidence of an effect of PA and combined PA/SB interventions on reducing sedentary time.
Why this rating
Moderate quality evidence for PA/SB interventions, though the finding is a lack of effect.
Source
Interventions with potential to reduce sedentary time in adults: systematic review and meta-analysis
Anne Martin et al. · British Journal of Sports Medicine · 2015
DOI 10.1136/bjsports-2014-094524
Meta-analysis · 51 studiesCited 337×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Lifestyle interventions (combining physical activity and sedentary behavior reduction with diet) significantly reduce total sedentary time in adults by approximately 24 minutes per day, with moderate quality evidence.Good
- Interventions specifically targeting Sedentary Behavior (SB) reduction, without necessarily focusing on increasing Physical Activity, result in the greatest reduction in sedentary time (approx. 42 min/day), although evidence quality is low due to limited study numbers.Limited
Related findings · Adherence
- Regular physical activity (at least 150 minutes/week of moderate-intensity) reduces all-cause and cardiovascular mortality by 20-30% and lowers the risk of type 2 diabetes by 25-35%.Strong
- Increasing physical activity from a sedentary lifestyle to an active one in middle adulthood significantly reduces the risk of coronary events compared to remaining sedentary.Strong
- Resistance exercise is the only intervention capable of consistently restoring muscle function and strength in sarcopenia, partially overcoming age-related anabolic resistance.Strong
This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →