Muscle and Motion on Instagram: "📚 Shoulder External Rotation at 0° vs. 90° A study by Kurokawa et al. (2014) revealed how muscle engagement changes with arm position during shoulder external rotation. 🔹 At 0° abduction: The infraspinatus does most of the work, powering the movement when your arm stays close to your body. 🔹 At 90° abduction: The teres minor takes over, showing peak activation when your arm is raised to the side. 💪 Understanding these differences helps you train smarter, enha

Is your child lagging behind their peers when it comes to handwriting? The world's top educational systems in Finland and Japan begin handwriting instruction with emphasis on focus and control — never applying pressure. This workbook delivers that time-tested approach to children worldwide. "She gripped the pencil perfectly on her very first attempt and smoothly traced an 'A' without any messy scribbling. I was absolutely amazed! After we cleared it away, she eagerly requested to try again. This

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