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ChatGPT Outperforms Personal Trainers in Answering Common Exercise Training Questions
Brecht D'hoe1, Daniel Kirk2, Jan Boone1
1Department of Movement and Sports Sciences, Ghent University, Ghent, Belgium.
ChatGPT, a popular chatbot, can provide accurate and actionable exercise advice, outperforming human personal trainers in a recent study. This suggests chatbots may be valuable tools for evidence-based physical exercise information and support.
Area of Science:
- Exercise Science
- Artificial Intelligence
- Digital Health
Background:
- The increasing popularity of AI chatbots like ChatGPT presents opportunities for health information dissemination.
- However, the accuracy and utility of AI-generated exercise advice require systematic evaluation.
Purpose of the Study:
- To assess the proficiency of ChatGPT (version 3.5) in providing evidence-based exercise training advice.
- To compare ChatGPT's responses against those from certified human personal trainers.
Main Methods:
- Nine personal trainers (PTs) provided common exercise questions and their expert answers.
- ChatGPT was queried with these questions, and its responses were compared to PTs' answers.
- Evaluations by 18 PTs and 9 topic experts rated responses on scientific correctness, actionability, and comprehensibility.
Main Results:
- ChatGPT outperformed human PTs in overall scores for six out of nine questions.
- ChatGPT received higher ratings for scientific correctness (5/9), comprehensibility (6/9), and actionability (5/9).
- No PT responses surpassed ChatGPT's performance across any question or metric.
Conclusions:
- ChatGPT demonstrates significant capability in answering frequently asked personal trainer questions.
- AI chatbots show potential as effective tools for delivering informational support regarding physical exercise.
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