A simple technique using physics for more power and more spin

One Minute Tennis
6 Mar 202305:09
EducationalLearning
32 Likes 10 Comments

TLDRIn this informative session from one minute tennis.com, the importance of rotation in groundstrokes is emphasized to harness modern tennis's power. The presenter explains that rotation creates angular momentum, leading to increased speed and power compared to linear strokes. A simple physics experiment with a potato, knife, and hammer illustrates how a body's lack of rotation can act as a brake, absorbing energy instead of adding it to the stroke. The video then demonstrates how focusing on the front and back shoulder rotation can effectively utilize centrifugal force to generate more power and spin without increasing swing speed, thus reducing errors. The presenter also promotes their online coaching services and a book for further tennis improvement.

Takeaways
  • 🎾 Rotation in ground strokes is essential for modern tennis due to the increased power and speed it brings.
  • 🔄 Traditional linear strokes have been replaced by rotational strokes to generate more angular momentum.
  • 🚫 Without body rotation, the body can act as a buffer and restrict energy transfer to the ball, similar to how a potato absorbs the force of a knife.
  • 🔧 A simple physics experiment with a potato, knife, and hammer illustrates the concept of energy absorption without rotation.
  • 🌀 The use of centrifugal or centripetal force is key to understanding how rotation adds power to the stroke.
  • 🎠 An analogy of a child's roundabout helps explain the difference in force exerted on the racket due to rotation.
  • 💪 Rotating through the stroke allows for increased power and speed without necessarily swinging faster, reducing the chance of errors.
  • 🏋️‍♂️ Focusing on the front and back shoulder movement during forehand and backhand strokes helps in achieving proper rotation.
  • 🤔 The kinetic chain for a tennis stroke should work from the ground up or from the inside out, not the other way around.
  • 📚 The video suggests online coaching and a book titled 'The One Minute Tennis Serve Solution' for further improvement in tennis strokes.
  • 👋 A reminder to use rotation in ground strokes for more power, speed, and spin, and to avoid being like a potato that simply absorbs energy.
Q & A

  • What is the main topic of the session on one minute tennis.com?

    -The main topic of the session is rotation in ground strokes and its importance in modern tennis.

  • Why is rotation considered essential in tennis strokes according to the video?

    -Rotation is essential because it creates angular momentum, leading to more speed and power in the strokes, as opposed to linear strokes which are less effective in the modern game with its emphasis on power.

  • What is the potential downside of incorporating rotation into ground strokes?

    -The potential downside is that the timing requirements of rotating through the stroke may lead to more errors and mishits.

  • How does the speaker demonstrate the effect of not rotating in a tennis stroke?

    -The speaker uses a simple physics experiment involving a potato, a knife, and a hammer to illustrate that not rotating can act as a buffer and brake, absorbing energy instead of adding to the stroke.

  • What is the role of centrifugal or centripetal force in adding power to a tennis stroke?

    -Centrifugal or centripetal force is used to add power to a tennis stroke by creating a tremendous force on the arm and racket due to the rotation, similar to the force felt at the edge of a spinning roundabout.

  • How can players add rotation to their forehand and backhand strokes?

    -Players can add rotation by focusing on the movement of their front and back shoulders during the stroke, effectively using the body to create speed and power.

  • What is the kinetic chain principle mentioned in the video, and how does it relate to tennis strokes?

    -The kinetic chain principle states that energy works from the ground up or from the inside out. In tennis, this means using the body's rotation to generate power in the strokes, rather than relying solely on arm movement.

  • What is the speaker's recommendation for incorporating rotation into the two-handed backhand?

    -The speaker recommends focusing on the front shoulder coming in front of the body during the stroke and then replacing the front shoulder with the back shoulder to achieve perfect rotation.

  • How does the speaker suggest enhancing the one-handed backhand with rotation?

    -For the one-handed backhand, the speaker suggests thinking about throwing the front shoulder away from the body to enhance rotation and power.

  • What additional resources does the speaker offer for those interested in improving their tennis game?

    -The speaker offers online coaching, a website for more information, and a book titled 'The One Minute Tennis Serve Solution' which provides biomechanical data and simple solutions for improving tennis strokes.

Outlines
00:00
🎾 Understanding Rotation in Tennis Strokes

The video script discusses the importance of rotation in tennis strokes, emphasizing its necessity in modern tennis due to the increased power and speed. The speaker explains that while traditional strokes were linear, modern tennis relies on body rotation to generate angular momentum. They argue that rotation is essential because it not only adds energy to the stroke but also prevents the body from acting as a brake. To illustrate this, a simple physics experiment is conducted using a potato, knife, and hammer to demonstrate how a non-rotating body can absorb energy and restrict the stroke's power. The video then explains the concept of using centrifugal or centripetal force in strokes, likening it to a child's roundabout, where the force on the outside is much greater. The key to incorporating rotation is focusing on the movement of the front and back shoulders during forehand and backhand strokes, creating a kinetic chain that starts from the body's center and extends outwards. The speaker concludes by encouraging viewers to use rotation in their strokes for increased power, speed, and spin, and to avoid being like a potato that simply absorbs energy.

05:01
📚 Additional Resources for Tennis Improvement

This paragraph briefly mentions additional resources available for those looking to improve their tennis game. The speaker refers to online coaching services that they provide, which include video analysis and one-on-one coaching sessions. They mention that they are currently helping players from over 25 countries, catering to a wide range of skill levels and age groups. Viewers are invited to visit the website or email for more information about these services. Additionally, the speaker promotes their latest book titled 'The One Minute Tennis Serve Solution,' which combines detailed biomechanical data with easy-to-remember solutions for tennis strokes. The paragraph serves as a call to action for viewers to seek further assistance in enhancing their tennis skills.

Mindmap
Keywords
💡Rotation
Rotation in the context of this video refers to the physical movement of a tennis player's body during a groundstroke, where the player turns their body to generate power and speed. It is essential for modern tennis as it allows players to hit the ball with more power without necessarily swinging faster, which can lead to more errors. The video emphasizes that rotating across the line of the ball creates angular momentum, which is crucial for adding speed and power to the shot.
💡Groundstrokes
Groundstrokes are fundamental tennis shots hit after the ball has bounced on the ground. They include both forehand and backhand strokes and are typically executed with a full swing. The video focuses on the importance of rotation in groundstrokes, explaining that it is not just about setting up properly and swinging fast with the arm, but also about using body rotation to maximize the speed and power of the shot.
💡Angular Momentum
Angular momentum is a concept from physics that describes the rotational motion of an object. In tennis, as explained in the video, angular momentum is created when a player rotates across the line of the ball. This rotation adds to the speed and power of the shot, making it an essential component of modern tennis strokes that are characterized by their explosive power.
💡Linear Strokes
Linear strokes are a traditional way of hitting a tennis ball, where the player aligns their body and swings in a straight line to play the ball. The video contrasts linear strokes with the modern, rotational approach, indicating that the latter is more effective in generating power and speed due to the use of angular momentum and body rotation.
💡Centrifugal Force
Centrifugal force is the apparent force that pushes a mass away from the center of a circular path. In the context of the video, centrifugal force is used to illustrate how the rotational movement of a player's body during a groundstroke can increase the power and speed of the shot. The video likens the effect to being on the edge of a spinning roundabout, where the force is much greater.
💡Centrifugal Force
Centrifugal force is incorrectly mentioned twice in the transcript. The correct term to use in the second instance is 'centripetal force', which is the force that keeps an object moving in a circular path, directed towards the center of the circle. The video uses the analogy of a child's roundabout to demonstrate how the force on the racket increases as the player rotates, contributing to the power of the shot.
💡Kinetic Chain
A kinetic chain in sports refers to the sequence of body movements that generate force and transfer it to the point of action, such as a tennis racket striking a ball. The video emphasizes the importance of using the body to create speed and power in groundstrokes by creating a true kinetic chain that works from the ground up or from the inside out.
💡Forehand
The forehand is a type of groundstroke in tennis that is hit with the palm of the hand facing the back of the hand. In the video, the speaker explains how to incorporate rotation into the forehand stroke by focusing on the movement of the front and back shoulders, which helps to generate more power and speed.
💡Backhand
The backhand is another type of groundstroke in tennis, typically hit with a two-handed grip or a one-handed grip. The video discusses the importance of rotating the body, specifically the shoulders, during a backhand stroke to add power and speed. The concept of 'front shoulder, back shoulder' is introduced as a simple way to remember the body movement for a more effective backhand.
💡One-Handed Backhand
A one-handed backhand is a type of backhand stroke where the player uses only one hand on the racket. The video script mentions the one-handed backhand in the context of body rotation, emphasizing that the front shoulder should come in front of the body during the stroke to effectively use the body's rotation to generate power.
💡Two-Handed Backhand
A two-handed backhand is executed with both hands on the racket, providing additional control and power. The video script explains that for a two-handed backhand, the front shoulder should come in front of the body, similar to the forehand, and then the player should think about replacing the front shoulder with the back shoulder to achieve the perfect rotation.
Highlights

Rotation in ground strokes is essential for modern tennis due to the increased power and speed.

Traditional linear strokes have been replaced by rotational strokes to generate more angular momentum.

Rotation can create more speed and power without necessarily increasing the swing speed.

A simple physics experiment with a potato, knife, and hammer illustrates the concept of energy transfer in strokes.

When the body does not rotate, it acts as a buffer and restricts the energy transfer to the ball.

Rotating through the stroke adds energy to it, unlike a locked body position which holds energy back.

Centrifugal and centripetal forces play a role in the power generated during a rotational stroke.

An analogy of a child's roundabout is used to explain the concept of rotational force in tennis strokes.

The force exerted on the racket during rotation is significant, contributing to power, speed, and spin.

Rotation can help players hit the ball harder without increasing the risk of errors or mishits.

To add rotation to forehand and backhand, focus on the movement of the front and back shoulders.

For a one-handed backhand, think about throwing the front shoulder away from the body.

For a two-handed backhand, the front shoulder should come in front of the body for perfect rotation.

The kinetic chain in tennis works from the ground up or from the inside out, not the other way around.

Using the shoulders in rotation creates a true kinetic chain, enhancing power, speed, and spin.

The presenter offers online coaching and has a book called 'The One Minute Tennis Serve Solution'.

The book combines biomechanical data with simple solutions for effective tennis strokes.

The key takeaway is to use rotation in ground strokes by focusing on shoulder movement for better results.

Transcripts

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Related Tags
Tennis TechniquesRotation PowerGround StrokesForehand TipsBackhand TipsKinetic ChainCentrifugal ForceTennis CoachingBiomechanicsServe Solution