Comment on

• Complex Terrain Load Carriage Energy Expenditure Estimation Using Global Positioning System Devices.

  Potter AW, Santee WR, Mullen SP, Karis AJ, Blanchard LA, Rome MN, Pitts KP, Looney DP. Potter AW, et al. Med Sci Sports Exerc. 2018 Oct;50(10):2145-2149. doi: 10.1249/MSS.0000000000001669. Med Sci Sports Exerc. 2018. PMID: 29944605
• Estimating Outdoor Walking Energy Expenditure in Non-Steady-State Conditions.

  DE Müllenheim PY, Noury-Desvaux B, Le Faucheur A. DE Müllenheim PY, et al. Med Sci Sports Exerc. 2019 Jul;51(7):1566. doi: 10.1249/MSS.0000000000001917. Med Sci Sports Exerc. 2019. PMID: 31205252 No abstract available.