Why Are You Crying Out to Me? What Exodus 14 and the Neuroscience of Forward Motion Reveal About Every Athlete

By Eric Johnson | CrossFit Full Armor | CrossFit Gym in Raleigh, NC

“Then the Lord said to Moses, ‘Why are you crying out to me? Tell the Israelites to move on.’” — Exodus 14:15

There is a moment in every hard workout where you stop moving and start negotiating.

You are not finished. Your body has not given out. The bar is still on the floor or the rower is still in your hands or the next rep is right there. But something happens in the space between the last effort and the next one — a hesitation, a calculation, a quiet internal argument about whether continuing is really necessary. You know the feeling. Everyone who has ever trained hard knows the feeling.

God’s response to Moses at the edge of the Red Sea was not comfort. It was not a detailed explanation of how the next few minutes were going to unfold. It was a question and a command. Why are you crying out to me? Move.

Exercise science has spent decades studying what happens in the body and brain during that moment of hesitation — the pause between the last rep and the next one, the stillness at the edge of the water. What it has found is one of the most practically useful and consistently overlooked principles in all of athletic development. And Exodus 14 described it first.

The Moment Before the Step

In 1999 a South African exercise physiologist named Timothy Noakes published research that reframed how scientists understood athletic performance. His central governor theory proposed that the brain — not the muscles — is the primary regulator of physical output. The fatigue you feel during a hard effort is not primarily a signal from exhausted muscle tissue. It is a preemptive protective response from a brain that is trying to keep you safe by limiting output before you reach your actual physiological limit.

The practical implication of this is significant and counterintuitive. The ceiling you experience — the point at which another rep feels genuinely impossible, the moment your body seems to be finished — is almost never your actual ceiling. It is your brain’s conservative estimate of where your ceiling is, set deliberately below the real limit so that genuine physical failure is unlikely to occur.

In other words: you almost always have more. The question is whether you move toward it or stop and negotiate with the feeling that tells you not to.

The wall you hit is not the end of what you can do. It is the beginning of what you have never discovered about yourself.

Noakes’ research showed that this estimated ceiling is not fixed. It responds to inputs. Encouragement raises it. Cold water on the face raises it. A competitor closing the gap raises it. And critically — the decision to take one more step raises it. The brain, receiving evidence that the body has not in fact failed despite the signal it sent, recalibrates. The ceiling moves. What felt impossible thirty seconds ago becomes the new floor.

Why Are You Crying Out

The question God asks Moses is precise in a way that is easy to miss. He does not ask what Moses is doing or where Moses is going. He asks why Moses is crying out — as if the crying out itself is the problem, not the situation that prompted it.

Moses and the Israelites were at the edge of the Red Sea with Pharaoh’s army closing behind them. By every available human metric the situation was finished. The logical response was to assess the obstacle, acknowledge the impossibility, and perhaps ask for a plan. What God identified in Moses’ response was not the absence of faith in the grand theological sense. It was something more specific and more practical — the substitution of crying out for moving on.

In the language of exercise science this substitution is called protective inhibition. The brain, perceiving a threat to the system, generates a strong signal to stop — to pause, to assess, to not take the next step until the situation is resolved. This signal is useful in genuinely dangerous situations. It keeps people from running off cliffs and touching hot surfaces. In a training environment, and at the edge of the Red Sea, it is the primary obstacle between where you are and what is possible.

The Israelites were not crying out because they were weak. They were crying out because the signal to stop was overwhelming and the evidence that moving was safe did not yet exist. The sea had not parted. The path was not visible. The only instruction they had was move — and move required stepping into water before there was any reason to believe the water would open.

The path did not appear before they stepped. It appeared because they stepped. That sequence is not accidental. It is the design.

What Forward Motion Actually Does

The neuroscience of what happens when you take the next step past the point of perceived exhaustion is one of the most consistent and reproducible findings in exercise physiology. When an athlete pushes through the central governor’s early stop signal, a cascade of neurological and physiological responses occurs that would not have occurred if the athlete had stopped.

Endorphin release increases. Norepinephrine rises, sharpening focus and elevating pain tolerance. Motor unit recruitment expands — muscle fibers that were being held in reserve begin to engage. The perceived effort for the same objective workload drops as the brain recalibrates its estimate of the body’s actual capacity. Counterintuitively, athletes who push through the perceived wall often report that the reps immediately after the wall feel easier than the reps immediately before it.

This is not motivational language. It is a description of what happens physiologically when the decision to move overrides the signal to stop. The body does not magically produce capacity it did not have. It produces capacity it was withholding — capacity the central governor had conserved behind a wall labeled finished. Taking the step pulls the wall down. The reserve, now needed, becomes available.

Moses did not know any of this. He was standing at the edge of a sea with an army behind him and a command in front of him. What he did know — or was being taught in that moment — is what every athlete who has ever broken through a plateau eventually learns: the path opens on the other side of the step, not before it.

The Cry That Replaces the Step

God’s question to Moses — why are you crying out to me — implies that crying out had become a substitute for moving. Not a complement to moving, not a pause before moving, but a replacement for it. The emotional and vocal expression of the impossibility of the situation was consuming the energy and attention that moving required.

In a training context this pattern is recognizable and common. It manifests as the conversation that happens inside a set rather than the set itself. The internal monologue about whether the next rep is possible. The negotiation with fatigue that takes place in the space between effort and effort. The assessment of how much is left in the tank that occurs precisely at the moment the tank most needs to be drawn from.

None of this internal activity is the same as moving. It feels productive because it is happening in response to a real challenge. But it is not the step. And the path does not open for the person who is standing at the edge assessing the water. It opens for the person who steps into it.

This is one of the reasons that training in community produces consistently better outcomes than training alone. The people around you do not solve the problem of the next rep. They disrupt the internal negotiation long enough for the step to happen. When someone beside you is still moving, the conversation in your head loses volume. The signal to stop has to compete with the evidence that stopping is a choice rather than a necessity. That competition changes outcomes.

Move On

The command God gives Moses is not elaborate. It does not come with a guarantee about what will happen on the other side of obedience. It does not explain the mechanism by which the sea will part or the timeline on which it will occur. It is two words. Move on.

Every athlete who has ever gotten significantly stronger, significantly faster, or significantly better at anything difficult has at some point received a version of this command from their own body — the moment when the only productive thing left to do was take the next step without any certainty about what came after it. The rep that felt impossible before they attempted it and merely hard after. The weight they loaded on the bar without being sure they could lift it. The workout they finished without being sure, halfway through, that finishing was going to be possible.

The sea parts after the step. This is not a theological abstraction. It is a description of how adaptation works. The body does not change in response to what you are comfortable doing. It changes in response to demands that exceed what you have previously been willing or able to sustain. Every meaningful physical adaptation — strength, power, endurance, speed — lives on the other side of a moment where the right response was to move on rather than cry out.

At CrossFit Full Armor in Raleigh, we build athletes who know how to move. Not athletes who are immune to the signal that says stop — everyone feels it, and feeling it is not weakness. Athletes who have practiced, enough times, the decision to step into the water anyway. Who have discovered, enough times, that the ceiling moves when they push it. Who have learned, through repeated experience, that the path is on the other side of the step and not before it.

That knowledge is built in this gym. On Lead Mine Road. One rep past the wall, one session at a time.

Stop crying out. Move on. The sea is already waiting to part.