What is the primary training adaptation that allows trained athletes to maintain a higher lactate threshold compared to untrained individuals?
A. Increased oxidative capacity and mitochondrial density, allowing greater aerobic carbohydrate and fat oxidation at higher intensities
B. Greater creatine phosphate stores
C. Increased glycogen storage in muscle
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded.
From Chapter Chapter 3: Bioenergetics of Exercise and Training
DCO Code: 1.E1
NOTE: Image is for illustration purposes, not needed to answer the question.