The higher rep range is frequently associated with getting cut.
At some point higher rep ranges become aerobic:
Aerobic Activity
Aerobic means in the presence of oxygen… and any activity that is performed at a low to moderate intensity for more than 90 seconds, allowing oxygen to release energy through metabolism, is usually called an aerobic activity.
The benefits of aerobic activity are…
Increased Cardiovascular Function Decrease in Body Fat
The negatives of aerobic activity are…
Decreased Muscle Mass
Decreased Strength
Decreased Power
Decreased Speed
Decreased Anaerobic Capacity
Most people in favor of aerobics in the Aerobic vs Anaerobic Controversy rely heavily on the ability of aerobic activity to reduce body fat… but fail to mention that you are also losing muscle, strength, power, speed and anaerobic capacity along with fat reduction.
Typically weight lifting is considered Anaerobic:
Anaerobic Activity
Anaerobic means in the absence of oxygen… and any activity that is performed at a medium to high intensity for less than 2 minutes, where energy is derived without oxygen, is usually called an anaerobic activity.
There are two anaerobic energy pathways…
The Anaerobic System (ATP-CP) is where energy is derived from the re-synthesis of Adenosine Tri-Phosphate (ATP) from Creatine/Phosphate (CP) until the stores are depleted… about 5-7 seconds.
The Anaerobic Lactate System (Glycolytic) happens after the (CP) stores have been depleted where the body resorts to the breakdown of glucose for energy.
This results in the production of lactate and hydrogen ions… ultimately leading to fatigue.
The benefits of anaerobic activity are…
Increased Cardiovascular Function
Decrease in Body Fat
Increased Muscle Mass
Improved Strength
Improved Power
Improved Speed
Increased Aerobic Capacity
The negatives of anaerobic activity are…
Anaerobic activity requires an aerobic foundation
More info can be obtained by googling “Anaerobic vs Aerobic” and at this page:Energy Pathways
Enjoy.