The deliberate application of physiological stimuli or nutritional strategies intended to optimize cellular machinery for subsequent periods of net tissue accretion, often muscle protein synthesis. This concept focuses on preparing the endocrine milieu to favor constructive metabolic pathways over catabolic ones. Achieving this state is foundational for maximizing regenerative and hypertrophic adaptations in response to training or recovery.
Origin
The term blends “anabolic,” relating to biosynthesis and building up of complex molecules, with “priming,” suggesting preparatory conditioning. Its roots are firmly planted in exercise physiology and endocrinology, specifically regarding the timing of nutrient partitioning and anabolic hormone signaling. Priming sets the stage for effective utilization of resources.
Mechanism
Priming often involves manipulating the post-absorptive state to enhance insulin sensitivity or ensuring adequate amino acid availability before a potent anabolic trigger, like resistance exercise. This preparation can also involve optimizing the signaling cascades involving the mTOR pathway. By managing nutrient timing and hormonal context, the body’s machinery becomes more responsive to signals promoting tissue growth and repair.
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