Match days before labels
Start with the number of sessions that can be performed reliably. A theoretically elegant six-day split is a poor fit for an athlete who can train four days.
Compare the common structures
Each split changes session length and how often a movement or muscle appears.
| Split | Common fit |
|---|---|
| Full body | Two or three days with work distributed across every session. |
| Upper/lower | Four days with repeated upper- and lower-body exposure. |
| Push/pull/legs | Three or six days, depending on whether the rotation repeats weekly. |
Keep the exercises visible
The split label cannot tell you whether volume is balanced or progression is sensible. Inspect the actual exercises, sets, rep targets and effort across the full week.