What Is Training Load
Last week, I dragged myself to the gym after a brutal day at work. I was tired, my legs felt like lead, and my brain was screaming, “Just go home and eat pizza.” But I’d plann...
Last week, I dragged myself to the gym after a brutal day at work. I was tired, my legs felt like lead, and my brain was screaming, “Just go home and eat pizza.” But I’d planned a killer leg day, so I did it anyway. I pushed through every rep, sweating and grunting like a wounded wildebeest. And the next morning? I could barely walk to the bathroom. My quads were on strike, my glutes had filed a complaint, and my lower back was drafting a resignation letter.
That’s when it hit me: I had no idea what I was doing to my body. I’d just blindly followed a plan without asking, “Is this too much?” I was treating my workout like a punishment, not a conversation. And that, my friend, is where training load comes in. Training load is the secret language your body uses to tell you, “Hey, we’re good here,” or “Please, for the love of all things holy, take a day off.”
So, what exactly is it? In the simplest terms, training load is the total amount of stress you put on your body during exercise. It’s not just how much weight you lift or how many miles you run. It’s the combination of volume (sets, reps, distance), intensity (how heavy or fast), and frequency (how often you train). Think of it like cooking: you’ve got ingredients, heat, and time. Get the balance wrong, and you burn the soup—or your hamstrings.
But here’s the kicker: there are two types of training load. External load is the measurable stuff—like 50 pounds on the bar or a 5-minute mile. You can track it with a watch, an app, or a notepad (if you’re old school and still use paper, you legend). Internal load is how your body feels that stress—your heart rate, your sweat, your “I think I’m going to die” meter. And they don’t always match up. You might lift the same weight as last week, but if you slept four hours and ate a bag of chips for breakfast, your internal load is through the roof.
This is where most people screw up. They stare at their external numbers—more pounds, more reps—and ignore what their body is whispering (or screaming). “But I did 100 push-ups last week! I must be getting stronger!” Yeah, maybe. Or maybe you’re building a one-way ticket to injury town, population: you. Training load isn’t about being a hero; it’s about being smart. It’s about knowing when to push and when to pull back, like a decent relationship.
Why 3 sets of 10 isn't good enough - Get Back To Sport
Here’s a secret coaches know: your body adapts to stress gradually. That’s called progressive overload. You add a little more load—a few more pounds, an extra set—and your muscles go, “Okay, we can handle this.” But if you jump from couch potato to marathon runner in a week? Your body says, “Nope, I’m shutting down.” Your joints ache, your mood tanks, and you get weird colds. That’s chronic overtraining, and it’s the enemy of progress.
So how do you measure training load without a PhD in sports science? Start simple. Use the rate of perceived exertion (RPE) scale. On a scale of 1 to 10, 1 is “I’m lying on the floor watching Netflix,” and 10 is “My soul has left my body.” Most effective training happens between 7 and 8. If you’re at a 9 every session, you’re not training; you’re demolishing. Add a training diary—just a few sentences on how you felt, how you slept, and if your coffee cup felt heavy. That’s your internal load snapshot.
Load Management
Another trick: heart rate variability (HRV). If you have a smartwatch, check your HRV in the morning. A higher number means your nervous system is rested and ready. A low number means you’re still in fight-or-flight mode. I once had a day where my HRV was so low, my watch basically said, “Go back to bed, you disaster.” And guess what? I listened. I swapped my run for a walk, and I felt human again. Listening to your watch is weirdly liberating, isn’t it?
The golden rule? Balance is everything. Training load isn’t about maximum effort; it’s about optimal effort. You want to stress your body just enough to make it adapt, not so much that it breaks down. Think of it like charging a phone: you don’t overcharge it until the battery explodes. You plug it in, let it fill up, and unplug it at 80% or 100%. Same goes for your muscles, your heart, and your sanity.
I learned this the hard way, limping around my apartment after that leg day. Now, I check my training load before every session. I ask myself, “What’s my internal load today?” Some days, it’s a 3—bare and I take it easy. Other days, it’s a 7—perfect for crushing it. And on the days it’s a 9? I do yoga, or I just go eat pizza. Because training load isn’t about suffering. It’s about growing, and you can’t grow if you’re too broken to stand up.