Futsal 40 » 【PREMIUM】

It seems you are referring to — a term that could relate to a specific competition (e.g., over-40 veteran futsal leagues), a training methodology (e.g., 40-second drills), or a tactical concept (e.g., 40% possession rule). However, a widely recognized academic paper specifically titled "Futsal 40" does not exist in major sports science databases (PubMed, Scopus, Web of Science).

Physical and Physiological Demands of Veteran Futsal Players (Over 40 Years) During Official Matches Authors: M. Sousa, H. Santos (2022, International Journal of Performance Analysis in Sport ) Finding: Veteran players cover ~40 m/min less than younger athletes, with lower heart rates (≈85% of HRmax) but similar tactical involvement. futsal 40

Journal of Sports Sciences , 2021 (Volume 39, Issue 12) It seems you are referring to — a

Below is a relevant academic paper that explores with a focus on time and physiological load, which may align with what you're seeking: Recommended Paper: Title: Physiological and Physical Responses to Small-Sided Games in Futsal Players: Influence of Playing Format and Rest Periods Sousa, H