est mistake, like snapping an ankle on a wet log, would have been a death sentence. A great deal of coordination, propriocep- tion and agility was needed to negotiate harsh terrain and avoid hazards.
Lifting heavy objects required a full range of motion, absolute
and relative strength, explosiveness (also known as power) and the ability to manipulate momentum of the object. Once you have that object on your shoulder (let’s say it’s a 250 lb. log) you now have to carry that log over and under difference obstacles. Having the endurance to carry heavy objects for a long distance through thick forest, uphill, etc. would have been crucial. Escaping predators and hunting required decisive thinking, speed, jumping and agility. Short, fast bursts of energy were re- quired to escape or capture the would be prey. If appropriate speed was not developed, starvation or being eaten potentially ensued.
Other skills, like climbing, swimming, running efficiently,
and crawling under objects or on all fours, would have had to been in early people’s skill set as well. These skills were necessary for hunting, escaping and gathering. Both anaerobic and aerobic endurance would have been
developed significantly. Early people moved slowly, a lot - wak- ing long distances and carrying (moderately heavy) objects re- quires aerobic endurance. We like to think of aerobic endurance as being able to run a long distance, but this is not necessarily so. However, do not confuse running at a slow pace with walk- ing at a slow pace – it is all about fuel utilization and energy expenditure. In general, walking saves energy and burns fat; while running burns some fat, but starts tapping in to muscular energy reserves. The anaerobic events such as sprinting, climbing and lifting
heavy all have something in common: hormonal secretion. When people engage in these activities, adrenaline is secreted. Adren- aline promotes higher levels of testosterone (do not worry ladies, you still do not have enough to get big), higher levels of human growth hormone (HGH), fat mobilization, the blocking of corti- sol (our stress hormone) and a decreased insulin resistance (less insulin is required). Our bodies literally crave this cocktail be- cause we want to burn certain types of fuel at certain times. These hormones in this combination are required to become lean, strong and fit.
Go into most gyms in the United States and watch the
people exercise. What are they doing? Slow, sustained, isolated lifting using machines and/or running on the treadmill or cycling. How does this compare to our early human “exerciser?” Well for one, the weights people are lifting are not heavy enough - while some of the hormones we want are increased by weight lifting, so is sarcoplasmic hypertrophy in the muscles - this means that the muscles get bigger (because of fluid retention) without neces- sarily increasing strength. It is a common misconception that people who have big muscles are strong. Strength is a neuromus- cular process - meaning that strength is basically the ability to recruit more muscle fibers to do work at one time - while some hypertrophy is present, it is not solely responsible for the devel- opment of strength. Isolation movements are not applicable to everyday life: how
many times do you curl statically curl heavy objects throughout your day? Probably not often. Conversely, how many times have you had to pick up a heavy box, your kids or a bag of top soil
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from the ground and carry it? If you think isolation is natural, why on that last set up pullups do you want to kick? Why on that last set of curls do you rock or jump to get the weight up there? Never do you see someone who is doing an explosive movement like a power clean, revert to doing a static clean - it just doesn’t make sense to your body. Early people would not have wanted to have large muscles either - large muscles mean you are heavier, cannot run or swim as efficiently, have less agility, and are not as mobile. On top of that, muscle burns energy. Running or cycling at a slow pace, for distances actually
increases your levels or cortisol. Cortisol (as stated before) is a stress hormone. When this hormone is secreted you stop burning fat and start storing it. Think about it, we are not really designed to run long distances - what survival advantage would that have given us? If a bear charges at you, you are not going to jog away. Slow, long distance is also responsible for a decrease in strength and power. Most marathoners cannot jump 12 inches off the ground - not very advantageous in a survival situation. Aerobic activity burns calories immediately - meaning you need to replace them immediately after you exercise. In a world where food was not a certainty, someone would not want to burn a lot of immediate calories. However, after anaerobic activity, calories are burned slowly over a period of time. This give you a chance to replenish them before you starve. Running also multiplies your body weight anywhere by 1.5 to 3 times into one leg - multiply that force times however many steps you take in a mile and see how much force you are putting into your legs. Its no wonder that 65% of all runners are injured every year and most have chronic injuries from overuse. Sprinting, on the other hand actually causes less impact due
Helping you be responsible for your Health, Mind, Body & Spirit
• Hormone testing for men and women • Neurotransmitter balancing • Ream’s testing • Iridology
FREE
Want to see how I can help you become healthier? 30 minute introductory appointments are
available for new clients!
108 East Bessemer Avenue • Greensboro 336.456.4743
jillclarey3@gmail.com Jill’s Natural Path
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Helping you be responsible for your Health, Mind, Body & Spirit
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