14 years old
January 10, 2026 • Baseline Assessment • Neuralytica Tennis v1.2
61/100
Moderate
87/100
Strong
26 pts
Large Gap (30% drop)
Biggest opportunity: his backhand weakens significantly as matches go on, and he starts avoiding it. This is a brain-side issue — the right-side motor network fatigues faster than the left, making backhand execution unreliable under load.
Two brain training priorities will unlock this athlete's backhand: (1) Right-side fatigue resilience training — building neural endurance so the motor network sustains backhand quality deep into matches, and (2) Decision discipline under pressure — reducing impulsive shot selection when fatigued. These are trainable neural patterns, not physical limitations.
Coach Summary
System Profile Snapshot
Fast scan — strengths vs needs work (within-athlete).
Strengths
Needs Work
Read Speed & Consistency
What it is: How fast you usually read the ball—and how often you have slow spikes. (Spike = one unusually slow read.)
Why it matters: Spikes make you late to the ball and force rushed, off-balance contact.
Forehand-side
Backhand-side
Your left-side read speed is a strength. Right-side reads are adequate on average but highly unpredictable. One spike every 15 shots on the right side is normal; the problem is the size of those spikes (225 ms gap) compared to left side (81 ms gap).
Coach: right-side spike gap should decrease to <150 ms. Right-side consistency should narrow (SD <80 ms, improvement from 103 ms).
Peak vs Typical Read Speed
What it is: Peak = your fastest clean read today. Typical = what you produce most of the time.
Why it matters: The gap is proven thinking speed you're not accessing consistently.
Choice RT | Open + Aware trials
Your peak is very good (238 ms = top 6th percentile). Your typical reads are respectable but lag peak by 63–85 ms. This gap is normal, but closing the gap would improve overall read consistency.
Coach: right-side gap should narrow to <70 ms (from current 85 ms). Left-side peak should remain >220 ms.
Adjustment Speed
After a wrong read
What it is: How fast you override the first plan and commit to the correct one.
Why it matters: Hesitation is where weak returns happen and your body ends up in bad positions.
Example: Wrong read on serve direction → re-commit
Commit Speed Under Conflict
Accuracy Under Complexity
Your nervous system makes quick decisions under pressure, but sometimes commits too fast to wrong decisions. This pattern matches impulsive decision-making: speed without accuracy.
Coach: build decision discipline—keep the speed but add one-beat evaluation before committing on complex points.
Late-Set Sharpness
Does thinking speed stay sharp late?
What it is: Tracks how read + decision performance changes from early → mid → late.
Why it matters: When this drops, late errors rise and movement gets compromised.
Degradation onset:
Mid-session
Drift severity:
High
Your left side stays sharp late; your right side fades significantly. Left-side improves late-session (actually gets faster). Right-side deteriorates sharply (+29.8% slower by late).
Coach: focus on building right-side fatigue resilience through progressive load exposure. This is your biggest leverage point for match performance improvement.
Side-to-Side Balance
Racket side vs other side
What it is: How evenly both sides contribute as the session goes on.
Why it matters: When the gap widens late, the racket side tends to overwork.
Symmetry Index | Scale 0–100
You start nearly balanced (58/42, appropriate for dominance). By late session, you're severely imbalanced (25/75). This means your backhand side becomes largely unavailable for reliable execution, forcing you to over-use your forehand.
Coach: late-session right-side contribution should improve to ≥40–45% (less severe than current 25%). Ideal target: 50/50 by late-session.
Brain-to-Body Control
Does the body match what the brain intends?
What it is: How well execution matches intended control across the session.
Why it matters: When this drops, mechanics slip even if effort stays high.
Early in matches, you execute instinctively. Late in matches, you must consciously think through shots, making execution slower and less reliable.
Coach: late-session brain-to-body alignment should maintain or improve. If motor network development is successful, late-session control should remain closer to early-session baseline.
Nervous System State (Context)
Baseline: calm vs strain today
What it is: A snapshot of how regulated vs strained the nervous system is today.
Why it matters: Context for interpreting late-session drift—not a primary driver.
Your autonomic baseline is exceptional. This is a strength. It means you can manage arousal effectively, stay composed during pressure moments, and recover between points very effectively.
Coach: use as context when judging late-session sharpness. These excellent autonomic values support your strong left-side performance and baseline decision accuracy.
Emerging Flags
Performance Degradation Signals
Mechanical / Injury-Relevant Signals
Primary Unlock Levers
Recommended Protocol Categories
Training Focus (Next 2–4 Weeks)
Focus areas and what to track for drift improvement.
Restore Right-Side Motor Network Function
Your right-side (backhand) motor system is 5× weaker than your left; by late-match, right-side motor drive drops 75% and backhand becomes unreliable.
Daily bilateral motor imagery with explicit right-side emphasis (5 min warm-up, 10 min right-side focus, 5 min bilateral integration), 5 days/week; progress from slow imagery to game-speed to fatigued-state over 4 weeks.
Right-side reaction time degradation: decrease from 29.8% (current) to <15% by re-assessment at 4 weeks.
Reduce Impulsive Decisions & Build Decision Accuracy Under Conflict
Your decision-making is perfect on simple decisions (100%) but weak under conflict (73.3%); this 26.7% accuracy drop on critical points creates unforced error exposure.
Stroop-equivalent conflict resolution training 3×/week (go/no-go tasks, selective attention drills, match-simulation decision scenarios with explicit error feedback); add training under physical fatigue by Week 3–4.
Incongruent (complex) decision accuracy: improve from 73.3% (current) to >85% by re-assessment.
Maintain Bilateral Balance (50/50 Forehand/Backhand) to Prevent Dominant-Side Overload
As you fatigue, you increasingly rely on your dominant (left) side, creating chronic overuse injury risk and neural plasticity entrenchment.
Track forehand vs. backhand volume daily in training; target 50/50 distribution (equal reps); add left-shoulder monitoring (weekly ROM checks, soreness reports); implement shoulder mobility work if soreness emerges.
Training volume: maintain 50/50 forehand/backhand distribution across all training blocks (no >55/45 asymmetry).
See top of dashboard for the primary takeaway.
Bottom line: This athlete's biggest opportunity is late-set sharpness—closing the access gap by reducing spikes and building consistency under sustained load. The primary training lever is right-side motor network restoration combined with bilateral balance maintenance and decision discipline under pressure. All three constraints are trainable within 4 weeks.