Chronaxie vs Rheobase: What These Nerve-Excitability Values Actually Mean

Physiotherapist reviewing a strength-duration curve graph in a clinic, explaining Chronaxie vs Rheobase

Updated September 17, 2026 — Written and reviewed by Dr. Shabbir Hussain, BPT, Registered Physiotherapist | Clinical Rehabilitation Specialist Quick Answer – Chronaxie vs Rheobase Rheobase is the minimum electrical current strength (at an infinitely long pulse) needed to make a nerve or muscle respond. Chronaxie is the minimum pulse duration needed to get a … Read more