3.2 SAC Revision

The high jump event involves jumpers who rest for 3 minutes between each maximal effort jump. What would be the dominant fuel used to provide energy for a high jumper?

• Phosphocreatine (PC)

• Glycogen

• Triglycerides

• Protein

There are a variety of fuels used to resynthesise ATP within the human body. Which of the following is not a fuel used for ATP resynthesis?

• Phosphocreatine (PC)

• Triglycerides

• Hydrogen ions

• Glycogen

The 10km World Record is held by Kenenisa Bekele with a time of 26:17.53. What is the dominant fuel used in a 10km run?

• Protein

• Carbohydrates

• Phosphocreatine (PC)

• Triglycerides

Fats are a fuel used to resynthesise ATP. Which of the following characteristics is true of fats?

• Fats are the body’s preferred fuel source at rest

• Fats have a very fast rate of ATP production

• Fats can be broken down aerobically and anaerobically

• Fats have a low yield of ATP

One fuel used in the body has many names including phosphocreatine, creatine phosphate and PC. Which of the following characteristics is true of phosphocreatine?

• Very fast rate of ATP production

• High yield of ATP

• They are used to fuel aerobic activities predominately

• Only used as a last-resort fuel source

The rate and yield of the ATP-PC system are best described as

• Very fast rate, low yield

• Slow rate, low yield

• Moderate rate, low yield

• Very fast rate, high yield

The rate of ATP production and amount of ATP produced by the body’s three energy systems aren’t all the same. Which of the following is true for the aerobic system?

• Fast rate, high yield

• Slow rate, high yield

• Slow rate, low yield

• Fast rate, low yield

Professional weightlifting involves very short duration and high intensity efforts. Which of the following would be the best recovery strategy between efforts.

• A slow jog

• Active recovery

• Active stretching

• Passive recovery

The 400m World Record is held by Wayde van Niekerk of South Africa, with a time of 43.03 seconds. As van Niekerk is running along the home straight (final 100m), what would be the main cause of fatigue?

• PC depletion

• Accumulation of H+ ions

• Thermoregulatory fatigue

• Dehydration fatigue

There are many sports for which an active recovery is preferred. Which of the following events requires an active recovery?

• A series of repeated high intensity efforts in basketball

• High intensity, short duration weightlifting

• Spaced out maximal efforts in long jump

• Very intense efforts with breaks in between in pole vault