{"product_id":"concurrent-training-mastery-keith-engelbrecht-9798278344216","title":"Concurrent Training Mastery: Simultaneous Strength, Power, Speed, and Endurance Development","description":"\u003cp\u003e\u003cb\u003eMaster the science of concurrent training before you master the practice.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMost coaches understand that athletes need multiple physical qualities simultaneously. But they don't understand \u003ci\u003ewhy\u003c\/i\u003e concurrent training is so challenging-or how to make it work.\u003c\/p\u003e\u003cp\u003eThe problem: \u003cb\u003eInterference.\u003c\/b\u003e When you train strength on Monday and endurance on Wednesday, one quality can inhibit adaptation in the other. Your nervous system, hormones, and energy systems face conflicting demands. The result? Both qualities progress slower than if you trained them separately.\u003c\/p\u003e\u003cp\u003eBut interference can be minimized with the right knowledge.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eConcurrent Training Foundations\u003c\/b\u003e provides the scientific foundation every coach needs: \u003c\/p\u003e\u003cp\u003e\u003cb\u003ePart 1: Physiological Foundations\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eHow energy systems work (PCr system, anaerobic glycolytic, aerobic oxidative)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHow muscles actually adapt to training (stimulus → response → adaptation)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHow the nervous system responds to different training stresses\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eWhy concurrent training creates unique physiological demands\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003ePart 2: The Interference Effect\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eWhat interference is and why it occurs (4 distinct mechanisms)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eResearch evidence on interference magnitude\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eWhen interference becomes a serious problem\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eStrategic approaches to minimizing interference\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIndividual differences in interference susceptibility\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eStrategic Overview\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eThe complete logic chain from physiology to practice\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHow to think about concurrent training systematically\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eConceptual framework for all subsequent learning\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eThis is not a quick read.\u003c\/b\u003e It's deep, evidence-based science. But it's written for coaches, not researchers. You'll understand: \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eWHY interference occurs\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHOW much it matters\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eWHAT research shows about minimizing it\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHOW this knowledge changes your coaching decisions\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eRead this first. Master the foundation. Then everything else makes sense.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThe Concurrent Training System: Volume 1 of 3\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Keith Engelbrecht\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798278344216\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 12\/11\/2025\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 348\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.78lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.00h x 8.50w x 0.72d","brand":"Keith Engelbrecht","offers":[{"title":"Paperback","offer_id":48520178401535,"sku":"9798278344216","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_15fd78b7-f003-4d01-b53f-fa1f690dd2b2.jpg?v=1778741217","url":"https:\/\/www.whiterainbookhouse.com\/products\/concurrent-training-mastery-keith-engelbrecht-9798278344216","provider":"WR Book House","version":"1.0","type":"link"}