Coaches and athletes alike are constantly striving for training strategies to provide an advantage over their competitors. Altitude training is an integral part of many endurance athlete`s preparation for competition and a common approach to this conditioning strategy is `live high train low` (LHTL) where as the description implies athletes live at altitude to stimulate physiological adaptation but train at sea level so exercise intensity can be maintained and de-conditioning avoided. LHTL can be achieved naturally or artificially which can be grouped into three distinct categories (Figure 1) [1] the artificial long continuous approach includes studies in which participants are exposed to simulated moderate altitude (generally defined as 1,500 m-2,500 m) for 8 to 18 hours per day. The artificial short continuous approach includes studies in which participants are exposed to simulated moderate-high altitude (generally defined as 2,500 m-5,300 m) for 1.5 to 5 hours per day. The artificial brief intermittent approach includes studies in which participants are exposed to simulated high altitude (generally defined as 5,300 m-8,848 m) for less than 1.5 hours per day. The aim of this editorial is to combine information from a recent meta-analysis and an associated editorial to provide guidance with training regime design for future LHTL work
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