Examining the Acute Glycemic Effects of Different Types of Structured Exercise Sessions in Type 1 Diabetes in a Real-World Setting: The Type 1 Diabetes and Exercise Initiative (T1DEXI)
Authors' conclusion
Adults with type 1 diabetes experienced the largest drop in glucose level with aerobic exercise, followed by interval and resistance exercise, regardless of insulin delivery modality. Even in adults with well-controlled type 1 diabetes, days with structured exercise sessions contributed to clinically meaningful improvement in glucose time in range but may have slightly increased time below range.
Study context
- Population
- Adults with T1D (mean age 37 ± 14 years; mean HbA1c 6.6 ± 0.8%), at home; closed-loop, standard pump and MDI usersanalysed
- Participants
- 497 adults
- Comparison
- Structured aerobic vs interval vs resistance exercise
- Aerobicn = 162
- Intervaln = 165
- Resistancen = 170
Methodological detailsat-home exercise, randomly assigned
- At-home exercise
- Randomly assigned
Primary result
As reported in the abstract
Change in glucose during assigned exercise
Aerobic
−18
mean · SD 39 · mg/dL
Interval
−14
mean · SD 32 · mg/dL
Resistance
−9
mean · SD 36 · mg/dL
P < 0.001
Further findings
TIR 70-180 mg/dL, 24 h after study exercise vs days without exercise · higher after exercise
P < 0.001
Original publication
Examining the Acute Glycemic Effects of Different Types of Structured Exercise Sessions in Type 1 Diabetes in a Real-World Setting: The Type 1 Diabetes and Exercise Initiative (T1DEXI). Diabetes Care. Published 7 February 2023. doi:10.
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