{"product_id":"spinervals-27-0-threshold-test-suffer-fest","title":"Spinervals 27.0 Threshold Test \u0026 Suffer Fest","description":"Spinervals 27 Threshold Test \u0026amp; Suffer Fest DVD VIDEO FITNESS workout heart rate \u003cbr\u003e\u003cbr\u003e\u003cp class=\"proAttr productType\"\u003e\u003clabel\u003eType: \u003c\/label\u003e Movie \u003c\/p\u003e\u003cp class=\"proAttr productType\"\u003e\u003clabel\u003ePlatform: \u003c\/label\u003e DVD \u003c\/p\u003e\u003cp class=\"proAttr productType\"\u003e\u003clabel\u003eMedia: \u003c\/label\u003e DVD \u003c\/p\u003e\u003cshortdescription\u003e\u003c\/shortdescription\u003eDiscover your HEART RATE and POWER TRAINING ZONES while boosting your threshold with this Amazing Workout! \u003cbr\u003e\u003cbr\u003eSpinervals 27.0 - Threshold Test \u0026amp; Suffer Fest serves dual purposes. A great threshold building workout designed to boost your anaerobic threshold and sustainable power output for time trialing events including triathlons, this workout also functions as a repeatable 'field test' used by many prominent coaches and exercise physiologists to determine an athletes 'Functional Threshold', or that output of work (power) one can sustain on average over a 20 minute period. \u003cbr\u003e\u003cbr\u003eBy learning one's functional threshold and retesting it every 6-8 weeks, an athlete can accurately determine the proper training zones as well as assess their training progress over time. This form of performance testing is critical for anyone interested in getting faster on the bike and achieving optimal results through a structured training program. \u003cbr\u003e\u003cbr\u003eJoin Coach Troy Jacobson and the athletes from the New Jersey cycling and multisport community in this useful and effective workout that will help you go faster in your next race!\u003cbr\u003e\u003cbr\u003eFor DVD Player (North American NTSC)\u003cbr\u003e\u003cbr\u003e","brand":"NeverDieMedia","offers":[{"title":"Used In Sleeve","offer_id":46669394936086,"sku":"50754","price":3.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0083\/0377\/1710\/products\/201631116260984WNPT8664WN.jpg?v=1698114019","url":"https:\/\/www.neverdiemedia.com\/products\/spinervals-27-0-threshold-test-suffer-fest","provider":"NeverDieMedia","version":"1.0","type":"link"}