black and brown leather padded tub sofa

FootDoctor Esia™
"Where Performance and Pitching Live"

Performance

Enhance performance and increase longevity.

Leverage training and education backed by research and years of experience

A name you can rely on with a resume including WCWS participants, NBA organizations, and Hall of Fame athletes.

Optimization
Trust and Integrity

Meet FootDoctor Esia

I’m Esia Carlos Rivera, a coach dedicated to transforming athletes through a combination of cutting-edge biomechanics, strength training, and skill development. I've consulted for WCWS participants Oklahoma, Tennessee, and UCLA among others, as well as spent time as the lead trainer for NBA star James Harden. My approach integrates my experience as consultant, trainer, and coach to provide a world class experience for my softball athletes. My coaching goes beyond skill—rooted in faith, compassion, and communication, I offer a holistic training environment that moves the needle at all levels of development.

Services

In-Person

In-person sessions for performance, return to play, and individual analysis.

Zoom

Sessions for pitching performance, return to play, individual analysis.

The FootDoctor Esia App

Built by Esia Carlos Rivera — the app delivers softball’s most cutting-edge, research-backed systems and education straight to your phone.

🔥Why This App Is Different

📚 Backed by Research. Built for Results.

Every guide reflects peer-reviewed data — from GRF timing to joint angular velocities — all translated into coaching cues, strength templates, and programming that actually increases velocity.

💡 Pitching-Specific.

All courses, programs, and content is for parents, coaches, organizations, universities, and/for their pitchers.

The FootDoctor Esia™️ University in Your Pocket

  • The FootDoctor Esia Energy Flow Model™

  • Physics and Pitching

  • Assessments for Pitching

  • Strength and Conditioning at Any Ages

  • Mobility & Recovery Strategies

  • Monthly Calls (Zoom)

  • Tailored Guides for College Staffs (Strength, Monitoring, Communication)

Additional Features:
Monthly Subscriptions for Video Analysis and Strength Training

Schedule Zooms, In-Person, or Consultations

Family accounts for pitcher and parent

woman wearing yellow long-sleeved dress under white clouds and blue sky during daytime

Esia's training transformed my pitching technique and boosted my confidence on the field. Highly recommend!

Sarah M.

A person dressed in dark sportswear holds multiple baseballs in one hand while reaching out with the other hand. The background consists of a green mesh net and grassy area, suggesting a sports field or training area.
A person dressed in dark sportswear holds multiple baseballs in one hand while reaching out with the other hand. The background consists of a green mesh net and grassy area, suggesting a sports field or training area.

The holistic approach and biomechanics knowledge truly elevated my performance and kept me injury-free.

John D.

A female lacrosse player, wearing a white and light blue uniform, extends her arm with a lacrosse stick on a grassy field. In the background, other players and a coach are visible, along with a partially blurred grandstand and trees.
A female lacrosse player, wearing a white and light blue uniform, extends her arm with a lacrosse stick on a grassy field. In the background, other players and a coach are visible, along with a partially blurred grandstand and trees.
★★★★★
★★★★★