Which activity is sustained long-duration and uses the Oxidative Pathway?

• A. 100m dash
• B. Olympic weightlifting singles
• C. 2 km row
• D. 15-second sprint

Answer: (C)

The body uses the oxidative (aerobic) pathway to supply energy for sustained, long-duration efforts. This system relies on oxygen and works in the mitochondria, burning carbohydrates and fats to produce ATP over minutes to hours. A 2 km row is a continuous, moderate-to-high effort lasting several minutes, so it primarily draws energy from oxidative metabolism. The other activities are very short in duration and rely mainly on the phosphagen system (and to a lesser extent glycolysis) to deliver quick bursts of energy, not sustained aerobic ATP production.