What we know about detraining:
Strength can be maintained for 3-4 weeks before decline
Muscles start to atrophy after 2-3 weeks
Endurance decreases by 4-25% after 3-4 weeks
VO2 max declines by 6-20% at around 4 weeks




- To maintain strength & hypertrophy during 4+ weeks off, train once per week.
- To maintain endurance during 4+ weeks off, you can lower volume by 60-90% and frequency by 20-30%. Intensity should remain the same.
- To maintain endurance during 4+ weeks off, you can lower volume by 60-90% and frequency by 20-30%. Intensity should remain the same.
Sources:
- McMaster et. al, 2013
- Costa et. al, 2016
- McMahon et. al, 2014
- Fisher et. al, 2013
- Mujika et. al, 2001
- Mujika et. al, 2000
- McMaster et. al, 2013
- Costa et. al, 2016
- McMahon et. al, 2014
- Fisher et. al, 2013
- Mujika et. al, 2001
- Mujika et. al, 2000