BY THE OPTIMIST DAILY EDITORIAL TEAM
Most people training for strength are working toward the wrong goal. The standard template of heavy loads, eight to ten reps, and cardio at the end (if there’s time) builds muscle. It does not reliably preserve speed, lateral capacity, or cardiovascular function across decades, according to strength and conditioning specialist Ebenezer Samuel, C.S.C.S.
The concept gaining traction among trainers is the “strengthspan”: the total range of physical capacity a person maintains over a lifetime, including absolute strength, aerobic capacity, explosive power, and functional mobility. Most programs address one or two of these. The rest decline.
Mistake 1: training exclusively with heavy loads
Heavy compound lifts build mass and maximal strength. They are also slow. “When you’re lifting maximally heavy weights, you’re lifting slowly,” Samuel says. “Doing that exclusively compromises your body’s ability to move fast and explosively.” Speed and explosiveness are use-it-or-lose-it qualities. Neglect them long enough, and the capacity degrades, regardless of what’s on the bar.
The fix: one explosive session per week
One session per week of deliberate, fast movement is enough. Kettlebell swings, box jumps, broad jumps, sprint intervals. The point is not more intensity but velocity done with intention.
Mistake 2: avoiding low-rep sets
Three to four sets of eight to ten reps build muscle and moderate strength. It doesn’t train maximal force production, which requires very heavy loads at low rep counts (sets of two, three, or five). Samuel’s version of this is blunt: “If you’re stuck under a car, who do you want to pick it up to save you — the guy who can deadlift 1,000 pounds once, or the guy who can deadlift 400 pounds eight times?” Force production also transfers to other physical activities in ways that hypertrophy training alone does not.
The fix: low-rep work every two weeks
Samuel recommends opening a workout with low-rep sets at least once every other week. It doesn’t require redesigning your entire program; it’s just a matter of a few sets at the front of an existing session. The strength gains accumulate across years.
Mistake 3: training only in one direction
Standard gym programming of squats, deadlifts, lunges, bench press, and rows operates almost entirely in the sagittal plane. Forward and backward. Daily life involves two more: lateral movement (frontal plane) and rotation (transverse plane). A program that skips both prepares the body for gym movements and not much else.
The fix: lateral movement at least once a week
One lateral movement pattern per week closes this gap. This could be lateral lunges, side shuffles, recreational sports, or even just time with kids who don’t move in straight lines. It doesn’t need to be a structured session. It just needs to happen.
Mistake 4: skipping dedicated cardio
Lifting hard raises heart rate. It does not produce the same adaptations as sustained aerobic work — those are distinct, and they decline without specific training. “That kind of thinking will cost you down the line when you’re climbing stairs and you’re suddenly out of breath,” Samuel says. The effects show up far from the gym.
The fix: 10 to 15 minutes of cardio per week
Samuel’s number is deliberately small: 10 to 15 minutes per week, split into four to five-minute finishers at the end of two or three sessions. Burpee EMOMs, treadmill intervals, anything that keeps heart rate elevated for a few sustained minutes. Over the years, that’s enough for the cardiovascular adaptation to compound into something that matters.
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