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He gained significant amount of muscle mass.
Some people get bigger a lot faster than others because they have good genetics, however the point is that everyone can
gain a significant amount of muscle mass if they have a good plan and are consistent.
So they do not need to
gain a significant amount of muscle mass in order to build strength.
Once an athlete has
gained significant amounts of muscle mass (typically achieved through a hypertrophy cycle focused on progressive overload and increased training volume), he / she can then progress into more strength, power, and explosive training.
Not exact matches
On the other hand, the normal and high protein group have added a
significant amount of muscle mass — 2.87 kilograms and 3.18 kilograms respectively, which accounts for the increased weight
gain.