How to choose a squat stance width

Stance width is the side-to-side distance between the feet at the start of a squat. It is not a universal measurement to copy from a photograph. The right starting point depends on the variation, the range you intend to use, the toe angle, footwear, and how well you can repeat the position.

Define the comparison before you move

Pick a reference point on each shoe, such as the inside edge of the heel or the center of the laces. Mark the floor with tape or use tile lines. A useful first trial has three options: your ordinary stance, one slightly narrower, and one slightly wider. Keep toe angle, shoes, load, and depth target the same. If all of those change together, you cannot know which change produced the different feeling.

Start with bodyweight or an empty bar. Do three slow repetitions at each width, with a pause at the bottom only if that is part of every trial. You are looking for information, not a personal record.

What research says about width

In a study of different stance widths and foot angles, Lorenzetti and colleagues found that the tested positions changed motion and loading variables. Another study in trained rugby players compared narrow and wide back-squat stances at specified loads and found differences in hip and knee kinetics at the tested depth (Lahti et al.). Those studies support the modest claim that width changes the squat. They do not identify one width that every reader should use.

They also do not settle a personal setup question by themselves. Participants, bar placement, load, depth, and measurement conditions matter. Your trial is still needed to decide which option you can place and reproduce in your own training environment.

Use observable criteria

Choose two or three items to watch. Examples include whether both feet stay planted, whether the knees and feet move in a pattern you can repeat, whether you can reach the planned depth, and whether you need to shift a foot after the first repetition. Avoid relying only on whether a stance feels "athletic." That label does not tell you what changed.

Film a side or rear view if possible. A rear view can show whether one foot starts farther forward than the other. A side view can show whether the final stance matches the stance you marked. Video is a record of what occurred, not a diagnosis of why it occurred.

Worked example

Imagine that your usual heel-to-heel spacing is 12 inches. Test 10, 12, and 14 inches with three bodyweight repetitions each. At 10 inches, you reach the target depth but your right heel lightens. At 14 inches, you need to turn the toes out more than planned. At 12 inches, foot contact and pace remain consistent. Use 12 inches for the next light session and retest later only if another setup variable changes.

Keep a usable record

Write the reference you used, not a vague instruction like "medium stance." For example: "inside heels on second and fifth tile line, toes turned out slightly." That note lets you recreate a helpful setup without assuming it is the only valid stance width.