Every coach tells you to relax. Nobody tells you how or why it actually matters mechanically. Tension is the most underaddressed problem in recreational tennis — and it is the one that explains why players who hit beautifully in practice fall apart in matches. After fifteen years coaching in Sydney's Eastern Suburbs and applying Russian Systema principles from Vladimir Vasiliev to tennis, I can tell you that tension is not a mental weakness. It is a physical pattern — and like any pattern, it can be changed.
What "parasitic tension" actually means
Not all tension is bad. At the moment of contact, brief muscular engagement is essential — it stabilises the wrist, centres the racquet face and transfers force into the ball. That is useful tension. Parasitic tension is different. It is the bracing that happens throughout the body in anticipation of effort or stress, often before you even know you are doing it. It accumulates in the jaw, the upper traps, the forearm and the lower back. On court, it manifests as a white-knuckle grip, elevated shoulders on the serve, and a forearm that fires before the hips have rotated. You feel tight. Your shots feel forced. And no amount of technique coaching addresses it because the tension is happening before the stroke even begins.

How tension limits your kinetic chain
When muscles brace prematurely, they interrupt the natural whip sequence of the stroke. Take the forehand as an example. In an efficient forehand, force travels from the ground through the legs, into hip rotation, through trunk coil and finally into the arm and racquet. If the forearm tenses before contact, it kills racquet head speed because the arm is pushing rather than whipping. If the traps are elevated, shoulder rotation is restricted and the player compensates by swinging harder with the arm alone. The shot loses both power and consistency simultaneously — which is exactly the experience most recreational players describe when they say they tighten up under pressure.
Tension under pressure — why match play is different
Match play triggers a cortisol response that practice does not. Attention narrows. Breath becomes shallow. Muscles brace in anticipation of effort before the ball even arrives. These are physiological responses, not character flaws — and fighting them with willpower alone never works. The Systema approach, which I apply across all coaching at Systema Tennis, is about managing the nervous system rather than overriding it. That means training specific release patterns in practice so they are available under pressure, not hoping relaxation will appear when you need it most. The Systema methodology treats Tension as one of four equal pillars alongside Movement, Structure and Breathing — because ignoring it undermines everything else.
Three practical ways to release tension before and during play
A pre-serve breathing routine is the highest-leverage habit you can build. Before every serve, exhale completely — not a shallow puff, but a full release of air from the lungs. Then inhale naturally and serve on the exhale. This single change releases the shoulder chain and prevents the breath-hold that spikes tension through the entire body. Most players who adopt this report immediate improvement in serve consistency.
Between points, use the walk back to baseline as a reset. One deliberate exhale — longer than the inhale that preceded it — activates the parasympathetic nervous system and begins to lower heart rate before the next point begins. Four counts in, six counts out. It takes five seconds and it works.
During warm-up, check your grip pressure intentionally. Hold the racquet at three out of ten tension — loose enough that someone could pull it from your hand with a gentle tug. Hit twenty balls at that grip pressure before gradually increasing to match intensity. Most players discover they have been gripping at seven or eight out of ten without realising it. That baseline tension is what escalates under pressure. Working on this in private lessons builds the awareness that makes release automatic in matches.
Learn how to address tension at its source — book a coaching session focused on the Systema method.
Message on WhatsAppConclusion
Relaxation is not passive — it is a skill you train. The players who perform consistently under pressure are not the ones who stay calm by nature. They are the ones who have trained specific release patterns until they become automatic. Tension is destroying your game because nobody taught you how to address it mechanically. That can change.