New Study Compares AI Workouts for Gaining Muscle and Strength

Revolutionizing Fitness Training: How AI and ChatGPT Workout Plans are Shaping the Future of Resistance Workouts Summary

• Researchers compared AI workout programs for intermediate and advanced athletes generated by ChatGPT 3 and 4 models against the standards and recommendations found in resources such as the National Strength and Conditioning Association (NSCA) textbook.
• ChatGPT successfully designed 12-week resistance training programs aligned with professional guidelines. The AI model recognized different training experience levels, indicating its detailed comprehension of training concepts. However, human expertise is necessary to effectively refine and apply AI-generated training programs.
• ChatGPT produced credible information, which may be suitable for general exercise guidance. However, additional professional assistance appears necessary for optimal outcomes.

Introduction to AI Workouts

Integrating artificial intelligence (AI) into our daily lives has been revolutionary, and its use in the fitness industry has recently been explored. AI has been implemented in various domains, including medicine, rehabilitation, and physical fitness, to develop personalized and effective exercise regimens. Integrating AI in exercise program design offers the potential to optimize training protocols, enhance performance, and minimize the risk of injury. The dawn of AI workouts and ChatGPT workouts is redefining the landscape of fitness training, offering innovative AI workout plans tailored for athletes at all levels. A Google search of “Fitness AI apps” will net you at least 20, including Fitbod, Freeletics, and AI Gym.

You can use ChatGPT for planning diets and detailed workouts, but how good are ChatGPT 3 and 4 for writing out reputable workouts based on science? The basics of any resistance training program are progressive overload with a change in sets, reps, and weight. A recent study titled “Artificial Intelligence in Sport: Exploring the Potential of Using ChatGPT in Resistance Training Prescription” offers a fascinating glimpse into how AI, specifically ChatGPT, can be utilized in designing resistance training programs. (Washif et al., 2023)

AI and ChatGPT: A Brief Overview

AI has become a cornerstone of technological advancement, influencing various sectors, including healthcare, finance, sports, and fitness. ChatGPT, a language model developed by OpenAI, stands at the forefront of this revolution. It’s designed to understand and generate human-like text, offering potential applications in diverse fields. AI’s ability to process vast amounts of data and develop personalized training plans is particularly promising in fitness. As AI workouts gain popularity, ChatGPT’s role in creating effective AI workout plans becomes increasingly significant.

The Study: A New Frontier in Fitness Training

The study utilized two versions of ChatGPT – GPT3.5 and GPT4.0 – to create 12-week resistance training programs for hypothetical subjects with intermediate and advanced training experience. These programs were then evaluated against established fitness guidelines like those from the National Strength and Conditioning Association. This study is a milestone in the evolution of AI workouts, showcasing how ChatGPT workouts can be aligned with professional fitness standards.

ChatGPT 3 and 4 Results

Training Frequency

GPT-3.5 recommends a weekly frequency of about 3 training sessions. However, GPT-4.0 recommended 3-to 5 weekly resistance training sessions, aligning with the NSCA guidelines. ChatGPT 4 programs featured three 4-week phases with distinct objectives like hypertrophy (muscle building) and strength enhancement. These AI workout plans demonstrate how ChatGPT can adapt training frequency to suit various athletic needs.

Load Intensity and Repetition Range

GPT-3.5 suggested a load intensity of 70-85% with a repetition range of 4-8 repetitions per set (2-4 sets). In contrast, GPT-4.0 appeared to offer more detailed and potentially more tailored recommendations. GPT4 recommended intermediates train with (60–70% to 70–80% to 80–90%), and GPT4 advanced (70–80% to 80–90% to 90–95%) provided subtly different progressions. The study’s focus on load intensity and repetition range further cements the versatility of ChatGPT workouts in AI workout plans. Training tempo, a crucial aspect of any AI workout, is meticulously tailored in these ChatGPT workout programs.

GPT3.5 proposed 2–4 sets and 4–8 repetitions for most exercises, while GPT4 intermediate and advanced proposed 3–5 sets and 5–12 repetitions and 3–6 sets and 3–12 repetitions, respectively. GPT4 for advanced lifters also recommended additional volume and eccentric load.

Training Tempo

GPT-3.5 proposed a tempo of 2/0/2 (eccentric/pause/concentric/‘pause’). This is quite specific and indicates a focus on the timing of each phase of the exercise. GPT4.intermediate recommended (2/1/2), and GPT4.0 advanced (3/0/1/0, 2/0/1/0, and 1/0/1/0, in each phase).

Rest Intervals

GPT3.5 proposed predominantly between 90–120-s, while GPT4.0 intermediate proposed 60–90-s (for high repetition exercise), 90–120-s (medium repetition), and 2–3-min (low to medium repetitions). In comparison, GPT4.0 advanced proposed 60–300-s rest intervals depending on the training phase and exercise (main vs supplementary). ChatGPT’s ability to differentiate training experience levels is a breakthrough in AI workout programming.

Awareness of Training Experience

GPT-4.0 showed a better awareness of the difference between ‘intermediate’ and ‘advanced’ training experience than GPT-3.5. This implies a more sophisticated approach to program design, potentially leading to more effective and personalized training plans. While ChatGPT workouts offer comprehensive plans, real-time feedback remains a domain for human coaches in AI workout plans.

Real-Time Feedback

ChatGPT did not offer real-time adjustments or revisions to training protocols based on feedback or individual progression. While ChatGPT produced realistic information for resistance training, it may require modifications, and human practitioners with a solid understanding of resistance training are still best suited for making adjustments.

Interestingly, only GPT4 for advanced training considered “active recovery” sessions, citing the promotion of blood flow and removal of waste products. The realism and relevance of ChatGPT workouts in practical training scenarios mark a significant advancement in AI workout plans.

ChatGPT in Action: Realism and Relevance

One of the most striking aspects of the study was the practicality and realism embedded in the AI-generated programs. They adhered to fundamental training principles such as progressive overload, where the amount of stress on the muscles is gradually increased to foster growth and strength. Both versions of ChatGPT incorporated primary and supplementary exercises, targeting major muscle groups through a balanced approach. However, the study also highlighted a crucial limitation: the need for human expertise. While AI can generate robust training frameworks, the nuances of individual requirements and goals still require the touch of a professional trainer. The evolution from GPT3.5 to GPT4.0 represents a significant leap in developing AI workout plans.

AI’s Evolution in Fitness Training

Artificial intelligence (AI) in fitness training has evolved to cater to individuals’ varying equipment availability and fitness levels. Constant evolution of AI ensures improved workout results and personalized workout routines for better fitness outcomes. The advancement in AI workout plans enhances fitness advice, offering a variety of exercises for improved results. This evolution signifies a shift towards more tailored and effective workout programs, catering to the diverse needs of gym goers.

The Human-AI Collaboration in Fitness

The study underscores that AI, at its current stage, cannot replace human fitness professionals’ nuanced judgment and empathy. While AI can draft comprehensive training plans, human experts are crucial for adapting these plans to individual preferences, physical conditions, and progress. For example, GPT did not recommend advanced training techniques, such as supersets and drop sets, which are time-efficient and effective to induce strength gains, and these were also omitted. This collaboration between AI and human expertise could be the key to maximizing the effectiveness of training programs. As we embrace the AI revolution, the role of ChatGPT workouts in shaping future AI workout plans becomes increasingly pivotal.

The author stated, “ChatGPT offered no potential real-time adjustments or revisions to training protocols based on feedback or individual progression. Intuitively, practitioners with a sound understanding of resistance training remain best suited to adjusting these variables. Currently, we propose that ChatGPT cannot replace the judgment and empathy of a human practitioner, and gaps in acknowledging recent advancements in related research are evident.”

Conclusion: Embracing the AI Revolution in Fitness

While it’s clear that AI-generated programs need refinement and human oversight, the potential for AI to enhance training effectiveness and personalization is undeniable. As AI continues to evolve, it will be fascinating to see how it transforms the fitness industry, making workouts more accessible, inclusive, and tailored to individual needs.

AI in fitness is not just about algorithms and data; it’s about enhancing human potential and making fitness a more integrated and personalized part of our lives. The journey of AI in fitness is just beginning, and it promises to be as dynamic and transformative as the technology itself.

References

Washif, J., Pagaduan, J., James, C., Dergaa, I., & Beaven, C. (2023). Artificial intelligence in sport: Exploring the potential of using ChatGPT in resistance training prescription [journal article]. Biology of Sport, 209-220. https://doi.org/10.5114/biolsport.2024.132987

What is an AI workout and how does it work?

An AI workout is a workout program that utilizes artificial intelligence technology to customize and optimize your fitness routine. It uses algorithms and data analysis to track your progress, provide personalized recommendations, and adjust the workout plan based on your goals and performance.