大木 良 ｜ Tennis Architect（テニス身体操作設計者）– Author –

English version is here / 日本語版はこちら The word Relaxation is rampant in the tennis world. Many juniors misinterpret this word and destroy their own swing structure. 　This time, to establish the Truth for dominating physical laws wi...

English version is here / 日本語版はこちら In tennis, it is not just the moment of impact that determines the power of the ball. The quality of preparation leading up to it establishes the foundation of the output. However, many competit...

English version is here / 日本語版はこちら In tennis, the grip is the only contact point for transmitting kinetic energy generated by the body to the external tool known as the racket. However, many competitive junior players neglect the...

English version is here / 日本語版はこちら Losing balance after hitting or being unable to hit consecutively and immediately being pushed back—the very first thing junior players experiencing these issues should review is the Finish, the...

English version is here / 日本語版はこちら Swinging hard but the ball is unstable—the true identity of this bug is not a lack of swing speed, but the lack of a Deceleration Design to process the energy after impact. From the Architect's ...

English version is here / 日本語版はこちら Line of sight at impact (control of visual information and head retention). Watching the ball closely—this classical instruction contains a fatal bug in biomechanics. Players whose performance d...

English version is here / 日本語版はこちら Getting into the ball is not merely catching up. From the Architect's perspective, it refers to the calculation and execution of optimal coordinates to transfer 100% of your own output to the ba...

English version is here / 日本語版はこちら It is not only the "motion" of the swing path that determines shot accuracy. It is the toughness of the Swing Architecture (posture) that supports it. Posture refers to Optimizing the ...

English version is here / 日本語版はこちら In the world of junior tennis, a large takeback is a common sight. While it may appear dynamic and powerful, from the perspective of an Architect (Designer), it is often recognized as a bug that...

English version is here / 日本語版はこちら A bad workman always blames his tools—. In the world of tennis, where the retribution of physical output governs all, this proverb harbors a logical bug that inhibits the growth of junior player...