The Perishable Nature of Skill
SCUBA REBOOT: AN ESSENTIAL FOR THE VACATION DIVER OR JUST ANOTHER CASH GRAB? The ‘use-it-or-lose-it’ principle applies equally to physical fitness and brain health. Our body and mind adapt to and respond to the demands we place on them. Maintaining and building muscle and flexibility takes a commitment to regular exercise and resistance training. Brain health and neuroplasticity – memory and timely in situ problem-solving – operate under the same rules. Both will atrophy and degrade if they are not actively stimulated and used regularly. Not surprisingly, the skills we learn and work to get better at when scuba diving are subject to this reality: in a word, they are perishable. The Threshold of Atrophy According to most reports, the first hands-on skills to go are buoyancy and trim. Absence from diving for a long period – six months or more – affects muscle memory, and it fades reasonably