Training frequency per muscle group
How often each muscle should be trained per week — and how to distribute the volume.
Twice per week is a good starting point
Research suggests each muscle group should be trained at least twice per week for better growth than once — at the same total weekly volume. Muscle protein synthesis after a session is elevated for roughly 24–72 hours; training a muscle once a week leaves large parts of the week unused.
Distribute the volume
- Aim for a total of 10–20 hard sets per muscle group per week.
- Spread them across at least two sessions, e.g. 6 sets of chest on Monday + 6 sets on Thursday.
- Avoid cramming it all in — set quality drops after about ten hard sets for the same muscle in one session.
More frequency = less per session
Three or four sessions per muscle per week also works, especially for experienced lifters with high volume — but each session gets shorter. Frequency is primarily a tool for distributing weekly volume with maintained quality, not a goal in itself.
In practice
With three weekly sessions, a full-body setup solves frequency automatically. With four sessions, upper/lower is simplest; with six, push/pull/legs.