Table 1.

Inclusion and exclusion criteria.

Inclusion criteria	Exclusion criteria
Aged 8–14 years	Musculoskeletal injuries in the past 6 months
Enrolled in schools with table tennis programs	Diagnosed with ADHD or ASD
Training ≥3 times per week for ≥6 months under certified coaches	Competitive training in other racket sports
No neurological, orthopedic, or cognitive impairments (verified via PPHQ adapted from AAP PPE)	Uncorrectable vision worse than 20/40 on Snellen Test
Ability to complete assessments independently and pass visual processing pre-screening	Color vision deficiency (failed Ishihara Test)
Provided written parental consent and child assent	Missed ≥25% of scheduled sessions