“Regardless that there have been lengthy intervals of inactivity, the Hadza are sometimes resting in postures that require their muscle mass to keep up gentle ranges of exercise,” explains professor and researcher David Raichlen, Ph.D. “Being a sofa potato—and even sitting in an workplace chair—requires much less muscle exercise. Since gentle ranges of muscle exercise require gasoline, which usually means burning fat, then squatting and kneeling postures is probably not as dangerous as sitting in chairs.”
