HEEL GUIDE
How to Test Ankle Mobility Before Choosing a Heel
A practical knee-to-wall ankle check for lifters, including repeatable setup, recording results and avoiding unsupported heel-height prescriptions.
A controlled knee-to-wall lunge can help you compare weight-bearing ankle motion between sides and over time. Keep the heel down and the setup consistent; the result is not a diagnosis or a formula for choosing a shoe heel.
Set up a repeatable check
On a non-slip level surface, face a wall with the test foot pointing toward it. Use light hand support if needed. Keeping the heel in contact with the floor, bend the knee forward toward the wall while it follows the direction of the second toe. Begin close enough that the movement is easy and comfortable.
Move the foot back gradually until you find the furthest position from which the knee can touch without the heel rising or the foot noticeably changing position. Measure toe-to-wall distance using the same toe and reference point each time. Repeat gently, then check the other side.
Record the conditions as well as the number
Research supports the reliability of standardized weight-bearing lunge measurements. A home check is less controlled than a study or clinical assessment, so small differences between attempts may reflect setup rather than a real change.
Record whether you tested barefoot, the surface, which side, and the method used. Keep the foot direction and warm-up conditions similar when repeating it. Avoid moving the knee inward or turning the foot farther out merely to increase the distance. If balance makes the procedure difficult, ask a qualified professional to help rather than treating an inconsistent result as limited mobility.
Do not turn a screening measurement into a prescription
There is no single toe-to-wall distance that assigns every lifter to a specific lifting-shoe heel. Foot and limb dimensions, measurement method and the intended lift matter. Nor does a difference between sides establish the cause of a restriction.
Use the observation as one piece of information when discussing technique or selecting a trial shoe. Compare the actual squat movement separately; doing well in a lunge does not guarantee that every squat position will be easy.
Stop when the question becomes pain rather than motion
Do not push through a sharp pinch or reproduce an injury symptom to obtain a larger number. Persistent pain, recent trauma or a substantial unexplained change warrants assessment. A raised heel can alter the starting position but cannot interpret those symptoms for you.