Saikat Dey - Exercise & Sports Science

Why Training Less Can Make You Stronger | Deload Week Explained

Sometimes the best way to improve performance is to reduce training.
A deload week is a planned reduction in training intensity or volume to help the body recover from accumulated fatigue.
Athletes commonly use deload weeks every 4–8 weeks to improve recovery, reduce injury risk, and support long-term performance.

VO₂ Max | Exercise Science Basics

VO₂ Max is the maximum amount of oxygen your body can use during intense exercise.
It is considered one of the best indicators of cardiovascular fitness and aerobic endurance. Higher VO₂ Max values usually indicate better endurance performance.

Why Water Matters During Exercise

Even mild dehydration can reduce exercise performance.
Water helps regulate body temperature, blood volume, and nutrient transport.
When dehydrated, the heart works harder, fatigue increases, and endurance decreases.
Hydration is not just for health — it directly affects performance.

Why Beginners Gain Muscle Faster

Beginners gain muscle faster because the body adapts quickly to a new stimulus.
Early strength gains come from improved neural efficiency, where the brain recruits more motor units. Muscle growth is also faster in the initial phase.
As training continues, progress slows due to adaptation.

Does Warm-Up Improve Performance?

Skipping warm-up can actually reduce performance.
A proper warm-up increases muscle temperature and blood flow, making muscles more elastic and responsive. It also activates the nervous system, preparing the body for movement.
That’s why athletes always warm up before training or competition.

Why Your Heart Beats Faster During Workout?

During exercise, your muscles need more oxygen and energy.
To meet this demand, the heart pumps more blood per minute, which increases your heart rate.
This helps deliver oxygen and nutrients to working muscles and remove metabolic waste like carbon dioxide.
Exercise physiology concept.

Why Muscles Shake at the End of a Set

Ever noticed your muscles shaking during a workout?
Muscle shaking usually happens when the muscles reach fatigue. The nervous system recruits more motor units to maintain force, but as muscle fibers get tired, the signals become less stable, causing visible shaking.
This often happens during exercises like planks, squats, and wall sits.

How Muscles Actually Grow

Muscles don’t grow during the workout.
Strength training creates micro-damage in muscle fibers.
During recovery, the body repairs those fibers through muscle protein synthesis, making them stronger and thicker.
That’s why sleep, protein intake, and recovery are critical for muscle growth.
Exercise science explanation.