Musclesworked

Musclesworked provides a structured muscle-mapping dataset and MCP/REST API for powering exercise recommendations, workout analysis, muscle tracking, and personalized programming within fitness apps, AI agents, and health platforms. With over 850 exercises mapped to 63 muscles and 14 muscle groups, including primary, secondary, and stabilizer classifications, it helps fitness developers instantly answer questions like "What does bench press work?" or "What exercises work my chest?", and powers features like smart exercise alternatives, gap analysis, and detailed metadata for each movement. It is ideal for product teams building smart fitness, health, or physical therapy applications.