What is Running Economy?

Introduction Running economy (RE) a complex, multifactorial concept that represents the sum of metabolic, cardiorespiratory, biomechanical and neuromuscular efficiency during running. Oxygen consumption (VO2) is the most commonly used method for measuring running economy, as the exchange of gases in the body, specifically oxygen and carbon dioxide, closely reflects energy metabolism. Those who are able… Read More

What was Operation Barbarossa (1941)?

Introduction Operation Barbarossa (German: Unternehmen Barbarossa; Russian: Операция Барбаросса, romanised: Operatsiya Barbarossa) was the invasion of the Soviet Union by Nazi Germany and many of its Axis allies, starting on Sunday 22 June 1941, during World War II. It was the largest and costliest land offensive in human history, with around 10 million combatants taking… Read More

What was the Contestado War (1912-1916)?

Introduction The Contestado War (Portuguese: Guerra do Contestado), broadly speaking, was a guerrilla war for land between settlers and landowners, the latter supported by the Brazilian state’s police and military forces, that lasted from October 1912 to August 1916. It was fought in an inland southern region of the country, rich in wood and yerba… Read More

What are Combined Operations?

Introduction In current military use, combined operations are operations conducted by forces of two or more allied nations acting together for the accomplishment of a common strategy, a strategic and operational and sometimes tactical cooperation. Interaction between units and formations of the land, naval and air forces, or the cooperation between military and civilian authorities… Read More