Credits and licenses

Our own work

The exercise data, the illustrations, the muscle map drawing and the page text are made by Oh My Coach. The illustrations are AI-generated in our own style.

Guidelines and studies we cite

We cite facts from these sources in our own words, with a link. We do not copy their text, tables or figures. Government sources do not endorse this site.

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• Clark DR, Lambert MI, Hunter AM (2012). Muscle Activation in the Loaded Free Barbell Squat: A Brief Review. Journal of Strength and Conditioning Research.
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• Maeo S, et al. (2021). Greater Hamstrings Muscle Hypertrophy but Similar Damage Protection after Training at Long versus Short Muscle Lengths. Medicine & Science in Sports & Exercise.
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• Rodríguez-Ridao D, et al. (2020). Effect of Five Bench Inclinations on the Electromyographic Activity of the Pectoralis Major, Anterior Deltoid, and Triceps Brachii during the Bench Press Exercise. International Journal of Environmental Research and Public Health.
• Saeterbakken AH, Fimland MS (2013). Effects of Body Position and Loading Modality on Muscle Activity and Strength in Shoulder Presses. Journal of Strength and Conditioning Research.
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• Youdas JW, et al. (2010). Surface Electromyographic Activation Patterns and Elbow Joint Motion During a Pull-Up, Chin-Up, or Perfect-Pullup Rotational Exercise. Journal of Strength and Conditioning Research.

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Last updated: November 15, 2026.