Scientific library

Peer-reviewed articles and books on training, physiology, and performance — curated for evidence-based coaching.

6,013 documents
article 2026

High-intensity interval training versus plyometric training on performance measures among recreational runners: a randomized controlled trial

Deepali Bidhuri, Sheetal Kalra, Mohammad Miraj, Puneeta Ajmera, Archana Khanna, Msaad Alzhrani, Ahmad Alanazi, Abdul Rahim Shaikh, Toufiq Noor, Shalini Mishra, Mohit Batra · BMC Sports Science, Medicine and Rehabilitation · 2026

Background High-Intensity Interval Training (HIIT) and Plyometric training are both well-established methods for improving athletic perform…

article 2026

Training Volume and Training Frequency Changes Associated with Boston Marathon Race Performance

Alexandra F. DeJong Lempke, Kathryn E. Ackerman, Trent Stellingwerff, Louise M. Burke, Aaron L. Baggish, Pierre A. d’Hemecourt, Sophia Dyer, Chris Troyanos, Grace H. Saville, Kaya Adelzadeh, Bryan Holtzman, Anthony C. Hackney, Kristin E. Whitney · Sports Medicine · 2026

Background Physical training influences competitive marathon performance, including training volume and training frequency changes (TFCs) p…

article 2026

The Effect of Acute Supplementation of Branched Chain Amino Acids on Serum Metabolites During Endurance Exercise in Healthy Young Males: An Integrative Metabolomics and Correlation Analysis Based on a Randomized Crossover Study

Xinxin Zhang, Xintang Wang, Chenglin Luan, Yizhang Wang, Junxi Li, Wei Shan, Zhen Ni, Chunyan Xu, Lijing Gong · Metabolites · 2026

und: Branched-chain amino acids (BCAAs) are popular as sports supplements due to their ability to enhance performance and recovery. However…

article 2026

Risk of Arrhythmias in Endurance vs Strength Sports: A Comparative Review

Natalia Agata Nawrat, Krzysztof Karbowiak, Natalia Makselan, Daniel Wijas, Antoni Anczyk, Karolina Handzel, Bartłomiej Kozdra, Michał Kluś, Mikołaj Olszok · Quality in Sport · 2026

Background. While physical activity is vital for cardiovascular health, high-intensity competitive training follows a "J-shaped" dose-respo…

article 2026

Understanding the complex interplay of macro- and micro-level factors in non-professional runners’ performance: a cross-sectional study

Mabliny Thuany, Thayse Natacha Gomes, Kevin Kipchumba, Lucy-Joy Wachira, Mateusz Rozmiarek, Beat Knechtle, Ewa Malchrowicz-Mośko, Ramiro Rolim, Marcos André Moura dos Santos · Sport Sciences for Health · 2026

We aimed to verify if there is a direct relation between countries’ human development index (HDI) and running performance among non-profess…

article 2026

Performance determinants in tropical trail running: Race result analysis of the 5K and 10K Merapi Merbabu de Trail 2025

Siti Baitul Mukarromah, Sugiarto, Gustiana Mega Anggita, Sri Agus Budi Santoso, Sangheon Park, Ambar Dwi Erawati, Rikha Liemiyah, Aziiz Mardanarian Rosdianto, Ronny Lesmana, Faisyal Syofian · Physical Education and Sports: Studies and Research · 2026

Background: The limited research on the determinants of performance in short-distance trail running in tropical environments is a major pro…