High-intensity cycling
High-intensity cycling has been studied in 2 papers since 2018: 2 trials in people; 1 in the past year. The newest paper, Nov 1, 2025: “Exercise intensity affects circulating C1q/TNF-related proteins and follistatin-like 1 concentrations”.
2 papers study it3 findingsUpdated
“In the HIE trial, significant increases in the circulating concentrations of CTRP3, CTRP9, and FSTL1 were observed after exercise compared to before exercise”
None of its findings points the other way.
- 1 lab
- Human trial2
What did studies of High-intensity cycling find?
3Studies of High-intensity cycling measured 3 outcomes; the most studied are FSTL1 (1 study), CTRP9 (1) and CTRP3 (1).
FSTL1
upin humans1
1 study
FSTL1
upin humans1
High-intensity cycling increases FSTL1 in humans.
“In the HIE trial, significant increases in the circulating concentrations of CTRP3, CTRP9, and FSTL1 were observed after exercise compared to before exercise”
Human trialwhole-blood75% maximal oxygen uptakemalesn = 10
Clinical physiology and functional imaging
CTRP9
upin humans1
1 study
CTRP9
upin humans1
High-intensity cycling increases CTRP9 in humans.
“In the HIE trial, significant increases in the circulating concentrations of CTRP3, CTRP9, and FSTL1 were observed after exercise compared to before exercise”
Human trialwhole-blood75% maximal oxygen uptakemalesn = 10
Clinical physiology and functional imaging
CTRP3
upin humans1
1 study
CTRP3
upin humans1
High-intensity cycling increases CTRP3 in humans.
“In the HIE trial, significant increases in the circulating concentrations of CTRP3, CTRP9, and FSTL1 were observed after exercise compared to before exercise”
Human trialwhole-blood75% maximal oxygen uptakemalesn = 10
Clinical physiology and functional imaging