Core Concepts of Motor Prediction & How it Affects Cueing a Correction

Article by Gill Cummings-Bell BA (Hon’s). M.Sc. PGCE. MBA. ACSP

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Motor prediction is the brain’s ability to estimate the sensory consequences of a movement before it is fully executed, using internal “forward models” to plan, adapt, and control actions in real time. Lets try to keep this in simple terms and not get too bogged down in the science! The brain doesn’t have time to fully plan a movement so prediction, learnt from historical practice overtime takes place. 

Core Concepts of Motor Prediction

• Forward Models: Are neural systems that turn motor commands into expected sensory outcomes, helping the brain bypass natural biological time delays between the instruction and the movement.
• Efference Copy: A duplicate of the motor command sent to sensory areas of the brain so the brain can distinguish between self-produced movements and external changes.
• Prediction vs. Control: Prediction anticipates what will happen based on current actions, while inverse control determines what motor commands are needed to reach a desired target and then executes the predicted motor plan for the movement. 

Key Factors Influencing Motor Tasks

• Predictability: Knowing a task’s trajectory or outcome significantly reduces reaction time and preparation demands.
• Development: Predictive motor skills improve continuously throughout childhood, reaching adult-like levels around age 11 to 12. 
• Daily Fluctuations: Biological rhythms and physical activity levels can subtly update and modulate motor prediction accuracy on a 24-hour cycle. 

How does prediction influence cueing a movement and correcting it

Prediction acts as the brain’s internal baseline, allowing it to anticipate the effects of a cue and instantly spot errors when things don’t go as planned. Because biological signals take time to travel through the nervous system, the brain cannot rely on real-time feedback alone; it must predict what should happen to keep movements smooth and fast.

Here is how prediction directly influences both the cueing and correction phases of an exercise movement:

1. Cueing a Movement (Preparation & Anticipation)

When a cue (like a whistle, a visual target, or a clinical touch) is given, prediction prepares the body to react before the movement even begins.

• Sensorimotor Priming: The brain uses the cue to select a saved motor plan. It generates an efference copy (a duplicate of the movement command), predicting the exact sensory feedback (what it will feel like, look like, and sound like) once the task is executed.
• Overcoming Neurological Delays: It takes roughly 100 to 200 milliseconds for sensory data to reach the brain. Prediction allows the brain to pre-activate the necessary muscles, effectively cancelling out this delay so the movement feels instant and fluid.
• Gating Out Expected Sensations: Because the brain predicts what its own movement will feel like, it suppresses or “gates” those predictable sensations. This allows you to ignore the feeling of your own clothes moving and focus entirely on external cues.

2. Correcting a Movement (Error Detection & Adaptation)

Movement correction relies on a constant comparison between what the brain predicted would happen and what actually happened. I am sure you are starting to visualise this now on a client you may have worked with who despite your cueing always executes a movement incorrectly. 

• The Comparison Mechanism: The brain compares the predicted sensory outcome (from the forward model) against actual incoming sensory feedback.
• Sensory Prediction Errors (SPE): If there is an obvious mismatch—something solid that tells the brain it got that wrong such as perhaps losing balance, or missing a ball, or banding into something when your arm lifts, or losing control of a weight and banging it or the reformer returning with a bang—the brain registers a Sensory Prediction Error.
• Online vs. Offline Corrections:
  • Online (Immediate): For small mismatches, the brain makes lightning-fast, subconscious adjustments mid-movement (reflexive corrections) to keep you on target.
  • Offline (Learning): If the error is large or repetitive, the brain uses that data after the movement is complete to update its internal models. This is the foundation of motor learning—the next time you see the cue, your prediction will be more accurate. If there is no obvious error coding to the brain between the sensory outcome and the predicted motor plan then no fine tuning or adjustment will take place. The brain doesn’t know it needs to rewrite the plan. 

Looking it through the Lense of an exercise teacher be that Pilates, Yoga, Personal Training or Group Exercise, working on precision of a movement and cueing it from an incorrect movement

In a coached/taught exercise session , prediction transforms cueing from a basic verbal instruction into a powerful tool for neuroplasticity and motor learning. When a client performs an incorrect movement, their internal forward model has predicted an incorrect path as “correct.” Your cue serves as a disruptive input that forces the brain to calculate a Sensory Prediction Error (SPE) and immediately rewrite its motor plan.

Here is how prediction dictates how you cue a client away from an incorrect movement and toward absolute precision using an example of a Pilates exercise:

1. The Neuro-Mechanics of an “Incorrect” Movement

When a client executes a faulty movement—for example, letting their hips rock during a Single Leg Circle or gripping their neck during a Chest Lift in a Crunch Curl—their brain has built a prediction based on compensation.

• The Faulty Baseline: The client’s brain predicts that using the neck or global movers will achieve the goal of “lifting up.” Because it feels familiar, the brain suppresses the sensory feedback of the tension, viewing it as normal.
• The Feedback Loop: If you simply say “don’t grip your neck,” the client tries to use conscious force to stop it, which often causes rigidity. To fix precision, you must change what their brain anticipates feeling. 

2. Cueing to Trigger Sensory Prediction Errors (SPE)

To correct the movement permanently, your cue must make the brain realise that its internal prediction does not match reality. Here are some methods to consider using. 

• Tactile Cueing as an External Anchor:
  • The Setup: If a client’s pelvis rocks during Single Leg Circles, place your hands lightly on their ASIS (hip bones).
  • The Science: Your hands act as a physical boundary. When the pelvis rocks, it unexpectedly hits your hands. The brain receives a sudden, unpredicted sensory signal, creating an instant SPE. The brain realizes its motor plan failed its prediction and immediately adjusts to find stability.
• Exaggerating the Error (Biofeedback):
  • The Setup: If a client is subtly hiking their shoulder during a curl up or The Hundred, cue them to intentionally hike it all the way to their ear, and then melt it down.
  • The Science: By consciously over-activating the wrong muscle, you force the brain to tune into the sensory feedback it was previously gating out. This redraws the map of the movement, making it easier for the client to predict where “neutral” actually is.
• Imagery Cues to Shift the Internal Model:
  • The Setup: Instead of saying “engage your transversus abdominis,” cue them to “imagine your hip bones are magnetic and drawing toward one another.”
  • The Science: Anatomical cues often cause over-bracing because the brain struggles to predict how a deep, single muscle should feel. Imagery gives the forward model a clear, macro-level sensory target (the feeling of magnets drawing together), allowing the nervous system to automatically recruit the correct stabilising muscles with precision.

3. Transitioning from Correction to Precision – Here is the plan! Try this 4 stage model. 

Once the cue corrects the movement, prediction is what locks that precision into place.

If you missed our workshop on the anatomy of the Pilates principles where we explore this concept fully and want to try it on catch up, you are not to late to take this valuable workshop Buy it as catch up here!

Lets analyse the hundred and foot work on the reformer to apply it!

1. The Hundred: Correcting Neck Strain & Sagittal Instability

During The Hundred, the goal is sustained thoracic flexion and pelvic stability while pumping the arms. The two most common errors occur when the client’s internal forward model predicts the wrong strategy for generating leverage.

Error A: Neck Strain (Over-recruiting Superficial Neck Flexors)

• The Brain’s Faulty Prediction: The brain predicts that to hold the head up, it must aggressively pull from the jaw and sternocleidomastoid (SCM) muscles. It gates out the sensation of strain until the muscle fatigues into pain.
• The Sensory Prediction Error (SPE) Cue:
  • Tactile: Gently place your hands behind the base of their skull (occiput) for a brief moment. Tell them to “Heavy the weight of your head back into my hands like a hammock, then curl your shoulder blades higher.”
  • Why it works: By providing an unexpected physical support, the brain registers that it doesn’t need to over-brace. When you remove your hands, the forward model adjusts to predict support from the deep neck flexors and upper abdominals instead.
  • Imagery: “Imagine holding a ripe peach between your chin and your chest. Don’t squash it, and don’t let it roll away.” This gives the brain a highly specific spatial target to predict and maintain.

• REFORMER FOOTWORK

  • The Flaw: Knee Valgus (Knees Caving Inward on the Return)
    • The Faulty Prediction: The brain predicts that pushing away is the only “work.” It treats the return phase as passive rest, letting the knees collapse in.
    • External SPE Cue: Loop a light resistance band around their outer thighs. “Keep the band taut, especially as the carriage comes all the way home.” (If knees cave, the band goes slack—an unpredicted sensation that immediately fires the gluteus medius).