[url] https://www.youtube.com/watch?v=zB09HsZMjnU [/url]
[url] https://www.youtube.com/watch?v=JEFMHPQ9rcY [/url]
[url] https://youtu.be/T9Y5e6KH_U4?si=5vDpEUPeA9YtjD-z [/url]
[url] https://www.youtube.com/watch?v=eNwVwQ3Lvd4 [/url]
[url] https://www.youtube.com/watch?v=F6FS34RqPRc&t=570s [/url]
[url] https://www.youtube.com/watch?v=kQg9eNEer_U [/url]
[url] https://www.youtube.com/watch?v=O-PujQfV6fI [/url]

意识为先｜三步掌握现代单反击球
[url] https://kknews.cc/sports/6bynalp.html [/url]

> 非持拍手 = non-hitting hand
> 上升期 = Upswing
> 下降期 = downswing
> 上半身扭转 = coil

单反绝对不如双反步伐灵活！绝对没有，双反好歹还有开放式或者封闭式可以用，单反绝对不行，就算是费德勒也一定要跑到位了拉开封闭式单反打出去，跑不到位的话都要削球的！（所以我当年没少在削球上下功夫）所以单反其实对步伐的要求才是更高的。

如果到位及时，有足够空间以单反击球，就用单反。如果到位晚了几拍，不要勉强用单反击球，而立即改用切削。

[url] https://www.zhihu.com/question/458107467 [/url]

问题：挥拍不及造成球拍被飞来的上旋球强力冲击。
解法：引拍再向后些（最大时握拍与底线平行），这样挥拍行程加长，力量随之加大。

[url] https://www.youtube.com/watch?v=5hHinMhZKp8 [/url]
[url] https://youtu.be/aT8y6m7KirY [/url]

[url] https://www.youtube.com/watch?v=trE-s_Eiosg [/url]

》转身幅度太大。
》引拍直立不够。

》大鹏展翅要做足。
》转身让对手看到背部号码。

》出拍击球开始到结束，持拍手臂伸直：
[url] https://www.youtube.com/watch?v=yZX0Airfbew [/url]
[url] https://www.youtube.com/watch?v=q77wbJ-O91k [/url]

解决了： 左手握拍直到右手挥拍，攻球削球皆如此。[url] https://www.youtube.com/watch?v=BL5g4em5Mx8 [/url]
解决了： 两腿跨步要大，以稳定下盘。

随挥向右上是上旋，向右较下方是平击。参见：

[url] https://youtu.be/TGsVYbWK0eA [/url]
[url] https://youtu.be/BL5g4em5Mx8 [/url]
[url] https://youtu.be/Pa-c4rlHuUo [/url]
[url] https://youtu.be/eNwVwQ3Lvd4 [/url]
[url] https://www.bilibili.com/video/BV1oK4y1h792/?spm_id_from=333.788.recommend_more_video.0 [/url]

Stan Wawrinka vs Roger Federer Backhand Comparison (Tennis Technique Explained)

[url] https://youtu.be/9thZ6ayMNzI [/url]

1. 准备时，球拍前举（[url] https://www.youtube.com/watch?v=TGVkwqTdQe0 [/url]）
2. 准备时，左肘上提。Let me smell your armpit. ([url] https://youtu.be/TGVkwqTdQe0) [/url]
3. 引拍时，右肩下沉。([url] https://youtu.be/HWbIr6GlWxo) [/url]

【言之有理】5.0大佬教我如何让单手反拍更进一步
[url] https://www.youtube.com/watch?v=JEFMHPQ9rcY [/url]

* 自身的技术水平：
* 初学者建议在下降期击球，以更容易掌握击球动作和发力技巧。
* 有一定技术基础的球员可以根据自己的特点选择在上升期或下降期击球。

网球单反，打来球的上升期还是下降期，取决于具体情况。一般来说，以下是一些建议：

**上升期击球:**

* 优点：
* 可以更容易地产生上旋，使球落后场后下沉较快，对对手造成威胁。
* 可以更早地控制球的方向，使球更有指向性。
* 缺点：
* 需要更快的反应时间和更强的击球力量。
* 对击球技术的准确性要求更高。

**下降期击球:**

* 优点：
* 更容易接发球和高压球。
* 可以有更多的时间准备击球，从而提高击球的稳定性。
* 缺点：
* 难以产生上旋，球的飞行路线较平直，容易被对手反击。
* 对球的控制力较弱，击球的指向性较差。

**具体选择哪种击球方式，需要根据以下因素来综合考虑:**

* 来球的高度和速度：
* 高速高旋转的上旋球，建议在上升期击球以产生更大的上旋和力量。
* 慢速低旋转的下沉球，建议在下降期击球以提高击球的稳定性。
* 自身的技术水平：
* 初学者建议在下降期击球，以更容易掌握击球动作和发力技巧。
* 有一定技术基础的球员可以根据自己的特点选择在上升期或下降期击球。
* 场地的状况：
* 在红土场地，球的弹跳较低，建议在上升期击球以产生更大的上旋和力量。
* 在草地场地，球的弹跳较高，建议在下降期击球以提高击球的稳定性。
* 对手的战术：
* 如果对手喜欢发高压球，建议在下降期击球以提高击球的稳定性。
* 如果对手喜欢防守，建议在上升期击球以产生上旋，使球落后场后下沉较快，对对手造成威胁。

总而言之，网球单反，打来球的上升期还是下降期，没有绝对的答案，需要根据具体情况灵活选择。通过不断的练习和实战经验积累，可以逐渐掌握在不同情况下的最佳击球方式。

以下是一些额外的建议：

* 在击球前，要充分调整身体姿势，保持重心稳定。
* 要根据来球的高度和速度调整击球的幅度和力量。
* 要注意击球的触球点，尽量在球的中上方或正上方击球。
* 要随挥动作要充分，以产生更大的力量和上旋。

希望这些信息对你有所帮助。

In single-hand backhand, the ideal timing to hit the ball depends on several factors. There's no single answer of "rising period" or "falling period" for all situations. Here's a breakdown to help you decide:

Rising Period (Upswing):

* Advantages:
* Easier to generate topspin, making the ball dip after bouncing, challenging your opponent.
* More control over the direction of the shot.

* Disadvantages:
* Requires faster reaction time and stronger swing for powerful shots.
* Demands higher technical accuracy.

Falling Period (Downswing):

* Advantages:
* Easier to handle high bouncing balls and forceful shots (smashes).
* More time to prepare and potentially improve shot consistency.

* Disadvantages:
* Difficult to generate topspin, resulting in a flatter ball trajectory, easier for your opponent to attack.
* Less control over the direction of the shot.

Choosing the Right Time:

* Ball Height and Speed:
* High-speed, high-spinning balls: Aim for the rising period to maximize topspin and power.
* Slow, low-spinning balls: Downswing might be better for better control and stability.

* Skill Level:
* Beginners: Downswing can be easier to learn the swing mechanics and power transfer.
* Advanced players: Can choose between rising and falling period based on the situation.

* Court Surface:
* Clay courts: Rising period for more topspin (clay grips the ball more).
* Grass courts: Downswing for better control on higher bouncing balls.

* Opponent's Tactics:
* Aggressive baseline opponent: Downswing for better defense against powerful shots.
* Defensive opponent: Rising period for topspin to make them uncomfortable.

General Tips:

* Practice both: Mastering hitting during both rising and falling periods gives you more flexibility.
* Footwork: Good footwork allows you to adjust to the ball's trajectory, making hitting during either period easier.
* Comfort: Choose the timing that feels most comfortable and allows you to execute the shot effectively.

Remember, the best timing comes with practice and experience. Experiment with both rising and falling periods, analyze your strengths, and adapt your timing based on the situation for optimal single-hand backhand performance.

[url] https://www.youtube.com/watch?v=U3v4YvPQIAw [/url]
[url] https://www.youtube.com/watch?v=92ITGlxdeUs [/url]

Ning: For tennis playing, is continental grip good for hitting slice?

Gemini: Yes, the continental grip is absolutely excellent for hitting slices in tennis, both on the forehand and backhand side. Here's why:

* Grip Provides Control: The continental grip keeps your hand positioned flat on the racquet bevel, allowing for more precise control over the racquet face angle. This is crucial for generating slice, where you brush across the back of the ball to create a backspin effect.

* Easier to Brush Upward: With the continental grip, your wrist and forearm are in a natural position to brush upwards across the back of the ball during the swing. This motion is key to achieving the desired slicing action.

* Commonly Used Grip: Many professional players and coaches recommend the continental grip for slice shots because of its effectiveness and ease of use.

Here are some additional points to consider:

* Two-Handed Backhand: While the continental grip is great for one-handed backhand slices, some two-handed players may use a slight variation on the grip for their bottom hand on the backhand slice. This allows for more power generation on the shot.

* Practice Makes Perfect: Mastering the slice with the continental grip takes practice. Focus on brushing the back of the ball and feeling the backspin you create.

Overall, the continental grip is a strong foundation for hitting effective slices in tennis. With practice, you'll be able to generate backspin and add a new dimension to your game.

[url] https://www.youtube.com/watch?v=jKd-BhQ3WOU [/url]

豆豆网球课：瓦林卡单反秘诀
[url] https://www.youtube.com/watch?v=ckm9EwMZOt4 [/url]