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Latest Articles

The newest work from the Alpekin Journal, in publication order.

219 published articles Explore and filter

Three panels showing skeletal muscle fibers, a heart, and a smooth-muscle illustration.

What Makes Skeletal, Cardiac, and Smooth Muscle Different?

Skeletal, cardiac, and smooth muscle share the ability to contract, but differences in cell structure and control suit each to different tasks.

Colored bars rising from a bowl beside a magnified circle of nutrient shapes.

Confused by Nutrition Numbers? Understand What They Mean

Dietary Reference Intakes answer different questions about nutrient adequacy and excess, rather than giving an exact personal prescription.

Walking figure beside a kettlebell and rolled exercise mat.

Physical Activity vs. Exercise: What’s the Difference?

Physical activity includes everyday movement that uses energy, while exercise adds planned, structured repetition to improve or maintain fitness.