Systems for Impact & Fit

Bridging Behavioral Science &
Digital Health at Scale.

SISFIT Academy is a Think-Tank and Research Institution dedicated to decoding the algorithms of behavior change. We translate complex physiological research into high-impact digital interventions.

Explore Our Journey The Living Lab
About SISFIT Academy

Grounded in Science. Driven by Impact.

From a fitness education pioneer to a leading digital health research lab.

Explore Our Journey

2011

The Foundation
SISFIT Academy founded in Shanghai by Catherine Ge and Starr Cai, established on the "Scientist-Practitioner" model.

2019

Evidence-Based Outreach
Publication of *Rehabilitation Exercises: A Self-help Handbook*, setting the stage for digital health education.

2020

Strategic Growth
Established national strategic training partnership with ACSM/CASM to localize global health standards.

2021

Knowledge Synthesis
Invited lectures for NSCA Shanghai and Ningbo Rehabilitation Hospital; launched free public health series to promote PA literacy.

2021+

Living Lab Infrastructure
Framework established; Uploaded 3k+ content pieces, achieving 130k+ followers and 2.4M+ hits within a single year.

2026

Current Scale
Sustainable research ecosystem with 300k+ Reach, decoding behavior change through longitudinal AI-driven analysis.

Meet Our Founder

Catherine Ge

Digital Health Researcher & Principal Investigator

Catherine Ge bridges the gap between educational psychology and digital intervention science. With a Master of Teaching and years of industry leadership, she specializes in "Scaffolded Learning" within platform ecologies.

As the PI of the SISFIT Living Lab, she directs a massive data-driven ecosystem used to observe and validate behavior change mechanisms in real-world digital settings.

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Meet Our Team

Strategic Collaborators

Starr Cai

Co-Founder & Education Director

Industry Standards Expert

Academic Advisory Panel
(Industry & Research)

SISFIT Comprehensive 2026
SISFIT Academy Logo Living Lab Logo ACSM Official Logo Certification Logo
The Scientist-Practitioner Model

We solve the "Engagement vs. Health" paradox.

Traditional health education fails due to a lack of engagement. Viral content fails due to a lack of rigor. SISFIT operates at the intersection, using large-scale data to drive evidence-based outcomes.

300k+

Digital Reach

100k+

Community Leaders

ACSM

Global Standards
Dynamic Authority

Academic Events & Professional Exchanges

SISFIT remains at the forefront of the field through continuous participation in global academic circles and high-level industry summits. We don't just follow trends; we help define them.

FEB 2026

Digital Health Behavior Summit

Lead Panelist on "Algorithmic Nudging for Physical Activity".

NOV 2025

International Sports Medicine Workshop

Presentation of SAT Rehabilitation Framework for clinical practitioners.

2024 - 2025

ACSM-CASM National Training series

Official certification delivery across Beijing, Shenzhen, and Xi'an.

The Evidence Layer

Research Articles & Technical Reports

Translating Living Lab data into peer-reviewed insights and industry whitepapers.

The Influence of Social Media Content Styles on PA

A comprehensive review of algorithmic determinants in Physical Activity (PA) motivation and user engagement.

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Establishing the "Living Lab" Strategic Framework

Methodological foundations for influencer-led digital health interventions and data capturing.

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SISFIT Internal Technical Whitepaper (2025)

Analysis of N=300k user interaction data and behavior change outcomes across cross-city cohorts.

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Research Architecture

The SISFIT Methodology Flow

Decoding behavior through a multi-layered analytical framework.

Global Context

Analyzing International Algorithmic Ecologies

Content Design

Style × Format Optimization

Learning Mech

Scaffolded Behavior Support

Behavioral Impact

Sustained Public Health Outcomes

Living Lab Logo
Infrastructure

The Living Lab (300k+ Reach)

A self-sustaining research ecosystem conducting naturalistic observations of health behavior.

2.75 Million+

Monthly Interaction Data

Real-time behavior tracking at scale.

National Reach

Cross-City Cohorts

Beijing, Shenzhen, Xi'an, Shanghai.

3,000+

Content Interventions

A/B testing for behavior change.
Multi-Platform Analytics Proof

PLATFORM I: DOUYIN (TIKTOK CHINA) - JAN 2026

100k Milestone

HISTORICAL MILESTONE
100k Growth Point

Douyin Engagement

Engagement Index
(Interactions & Retention)

Douyin Reach

Ecosystem Scale
(Verified Reach)

PLATFORM II: BILIBILI (LONG-FORM ECOSYSTEM) - 2023

Cross-Platform Validation

Bilibili serves as our long-form educational anchor. The 2023 data complements our Douyin short-form metrics, establishing a holistic "Scaffolded Learning" ecosystem across diverse digital demographics.

Bilibili Engagement 2023

Video Content Impact Index
(Comprehensive Engagement Proof)

Verified Longitudinal Cohort Data from the SISFIT Living Lab (Multi-Platform Ecosystem).

Educational Infrastructure

Authorized Frameworks & Strategic Assets

Our educational protocols are built on ACSM standards and localized for digital platform ecologies, supported by proprietary research artifacts.

SAT Series

Specialized Activity Training. Essential protocols for musculoskeletal rehabilitation, supported by the SISFIT-SAT textbook series.

ACSM Youth Fitness Curriculum

Youth Fitness

Developing lifelong health literacy in pediatric populations using scaffolded digital learning and ACSM-CASM standard courseware.

Rehabilitation Self-help Handbook

Clinical Populations

Evidence-based exercise prescriptions for specialized rehabilitation, featuring our proprietary 'Rehabilitation Self-help Handbook'.