Toning' Muscles Is a Fitness Myth — the Truth About Looking Athletic

Toning' is a marketing term designed to appeal to women, but muscles cannot be toned, they can only grow or shrink.

Muscle Myths: 50 Health & Fitness Mistakes You Don't Know You're Making (The Build Healthy Muscle Series): Matthews, Michael: 9781475143775: : Books

You Just Need To Tone - 2015-11-26 - 10 Fitness Myths Exposed

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Will 2 kg of weights tone arms? - Quora

10 Fitness Myths Debunked » Raffles Rehabilitation Centre, Singapore