73 thoughts on “90% Of Your Serve Power Comes From This – Tennis Lesson”

  1. I like the way you present instructional material in a concise and defined way and in a short period of time. I find this material helps my game especially today lesson with the shoulder turm setup. I would like to know or be shown the correct way to strike a serve on the ball is above your hear…. i.e. is the racket on a 45 degree angle when you try to hit a kicker or is it more horizontal when you strike the serve, lets say at 7 to 1…. and just what is the correct angle you would like to see on the serves. I can see both you players have some nice form to watch and learn from in your service games. Lastly, (I know alot of questions) I would like to see the angle and the face of the racket and how you think it should finish after the ball strike… i.e. on the right side or does it carry over to the left side depending on the type of serve you want to hit (flat, kicker etc). Thanks and keep up the great instructional video's.

  2. Although I heard this explained before, I thank you for reminding me how important this is. Nate, your explanation, as usual, is very succinct and well communicated. Well done.

  3. For Rec players, I would go further about the legs, and I say that using lots of legs, jumping, is counterproductive, it reduces effectiveness. While a leg drive can add power, for the vast majority of players I've seen lots of legs gets in the way, and actually subtracts from other, more important areas. Remove complication, concentrate on the part that generates almost all the power, and do that part well, is my motto. A motto that I sometimes fail with!

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  5. Misleading title!!! I think you should change the percentage a lot!! Then you bring in rotation ok agree with that one , what about just stretching the arm , and then the pronation ??
    Just using my hand I can serve 80km/hr , stretching arm I go already 120km/hr, rotation stretching arm hand go 160km/hr
    Now with my shoulder over shoulder I go 200km/hr , so 90 % seems a little to much.
    If the rhythm is not done right in that action it will even break your power !!!
    The red lines are useful to show what we call the power position ??
    And always talking about ratings !! Maybe you should be aware that also people from Europe are watching and they have about 20 different ratings !!!

  6. Very good stuff Nate! Thanks!
    Do you think it would simplify this to focus on keeping the tossing arm up as long as possible? Do you agree that when you keep the arm up the shoulder over shoulder alignment will happen more or less automatically? The second part on the elbow, did you hear of "elbow the enemy?" If you think about keeping the tossing up and elbowing with your hitting arm an imaginary guy behind you it will give you a good shoulder alignment for power? I agree you have to add the knee bend in but that can come after you get the shoulder alignment.

  7. Hey all, I usually don’t comment on others YouTube videos however I felt i needed to as the information about throwing your hip out is dangerous as it can certainly lead to injury as it has for many in the WTA. It’s not that it doesn’t happen because there certainly are some good servers out there that have there hip a bit forward during load but this happens as a byproduct of loading back and down with hip twist rotation. If a player is told to throw there front hip forward they will not load properly and more importantly it can certainly cause injury. Also the 80-90% deal is extremely inaccurate. Can you post some studies that back that up? Sorry to be a “troll” but the videos inaccurate content bothered me. Please study Mark Kovacs stuff to learn about what I have discussed. U guys are good talkers. Much better then me ?

  8. I'll save you 8minute. The answer is your heart. You have to believe in yourself and be one with the racket.

  9. Confused. Is shoulder over shoulder used for every serve? Confused. So, from the load position, is the next move directly into the shoulder over shoulder or is there rotation then shoulder over shoulder?

  10. The comment regarding Roddick and Federer jumping I must say is total BS. You're just flapping your mouth bro. We're in the age of proof and evidence. Jumping did not cause Roddick's frozen shoulder. Stop asserting

  11. The tip you give about projecting the leading hip out is really useful. I've heard plenty of times about bending the knees and adopting a'trophy pose,' but they always felt unnatural. I tried your hip advice yesterday whilst practicing my serve and all of a sudden it came together. My shoulder dropped and my knees bent without me contriving to incorporate both these actions. I hit faster and more consistent flat serves than I have done before. Great piece of advice.

  12. Great point Nat. I tried the hip thrust forward the other day and couldn't believe the extra power I created. Little tweaks can improve all players ?

  13. Hi guys. If you look at sampras serve his elbow is way further out which creates a lot more power. I struggled many years with lack of power and lots of doublefaults, then i just noticed in a vid how close my elbow was to my back. Same with rafa. Great extension with elbow.

  14. Another key to power is extension, wrist snap and the ball being struck several inches in front of the body

  15. Power servers don't jump consciously, they leave the ground from a combination of leg thrust and swing momentum pulling them off the ground

  16. I'm extremely disappointed he said catapult instead of trebuchet. Everyone knows it's a far superior siege weapon. Other than that, decent video.

  17. Roddick is actually a perfect example of shoulder over shoulder – he typically did not jump any higher than Fed. I'm a huge RF fan – just stating what I saw when Roddick played. He had a massive serve and I believe retirement had more to do with using a very stiff and extended (in length) frame coupled with the wrong fuel. If 90% of power comes from shoulder over shoulder, then 90% of injuries come from dietary factors. Once I changed my diet looking at things like Omega3/6 ratios, macronutrients as well as micronutrients, the injuries vanished.

  18. Awesome video Nate! Another one-liner from Nick for the flat ball is "crack the egg"; think of it often when hitting for the center T. Thanks for your videos and their light-hearted and relaxed tone. Tennis is a game, for most of us, and should be and is fun!!!

  19. Just because you're not jumping doesn't mean you don't use your legs. You did get your feet off the ground and moved into the court by the way… You can clearly see quite a lot of knee bending action and leg extension every time you served there. That's where the power actually comes from. Try to keep your legs completely still and you'll realize that you'll have no power at all. The chain of motion starts in your feet and goes up to your wrist. Without any leg movement, you will have no power at all.

  20. No doubt the shoulder actions contribute but 90%, no, not even the majority… There's actually another component that's responsible for the most power in every hitting sport in the world.

    Anyone wanna guess? Let's see who knows their physiology…

  21. Super useful, but the 80-90% seems very incorrect to me. The largest contributor to your serve power is the whipping effect at the wrist. Get a radar, and try serving with just forearm and writ movement, you will be surprised to reach 80% of your top speed.

  22. Great instructions! But keep in mind these techniques are used by players WHO are fit. If you do not have a fit body your hips and shoulders will be more prone to injuries from pulling those muscles into awkward positions even if it will yield more strength.

  23. One of the RAREST correct videos that explains the Serve Stroke Mechanics correctly, its main component: the shoulder-torso structure rotation, Coil-Uncoil, or Load-Unload universal tennis stroke phenomena. Here, author calls it "shoulder to shoulder". If a person knows the Forehand Stroke Mechanics, s/he will realise that Serve's shoulder-torso rotation is same as Forehand Stroke's shoulder-torso Coiling-Uncoiling (rotation). See the videos of Drum Man On a Stick: drum on a stick, with two strings (for arms) and two balls attached to the strings. This is the same "Drum Man on a Stick" phenomena but the Drum Man on a Stick is tilted 90 degrees. So, the shoulder-torso rotation is just like Forehand's shoulder-torso Coiling-Uncoiling phenomena, only entire upper body is tilted 90 degrees, like Forehand stoke when lying down in horizontal position, sort of. This realisation came to me only after watching THIS video, and I wathced hundreds of them trying to understand "Serve for Beginner". I have mastered the Killer Forehand recently, and I realized how rare and genious THIS video is. Just like during the Forehand Stroke Mechanics, if a person musters the shoulder-torso Coiling-Uncoiling rotation (Load-Unload), or "shoulder to shoulder", then s/he only has to implement another part of the stroke: right arm EXTENSION, just like in forehand stroke.
    Hint: to implement the "shoulder-to -shoulder" rotation, Uncoling of a loaded shoulder for Serve Stroke, the Non-Dominant arm plays 99% role, just like in Forehand stroke: your arm (hand) points up into the sky (to the ball), fully extended, then arm is moved down to "Grab your belly button" (just like during Forehand's "Catch the racket with left arm after the stroke). This non-dominant arm's move must be made first, so that shoulders start rotatng, dragging entire dominant "rubber arm" (which only LOOSELY holds the racket) with it. So, essentially, stroke is same as forehand, for shoulder-torso Coiling-Uncoiling and for Right Arm Extension, only entire body tilted 90 degrees.
    Video is brilliant. Genius.
    PS: by the way, in Forehand Stroke, this shoulder rotation (coliing-uncoiling, or loading-unloadin, or "shoulder-to-shoulder") also provides most of the "power" (Ball Speed, reallly), about 90"%. See the video of the Drum on a Stick man to understand how shoulder-torso structure rotation drives 90% of the "power" in Forehand Stroke. I am realising, thanks to this video, it is same for serve!

  24. A lot of people bagging on you for the percentage you threw out there. My doubles partner and I implemented this in our matches yesterday and we probably gained an effortless 10-20mph (I'll make up numbers too!) Point isn't the exact number, point is that this is the most easily digestible quick tip for improving serve power that I've ever seen. Thanks again guys!

  25. My friend had a sip of beer every time he said ‘shoulder over shoulder’ and now he’s drunk and has to Uber home

  26. aMZING TEACHING, BRO. TKNS A MILLION! Like your beards…hope you guys are doing Jihad except on the tennis ball….chuckle chuckle…

  27. Yes, very important to keep that tilt… Often rec players will drop the front shoulder too early and never get that shoulder-over-shoulder benefit.

  28. I get a great shoulder tilt and I get my hip out. But I have a huge problem with a low elbow during the swing. Any tips/drills on how to fix this?

  29. Nate, good video. I've been studying a lot ot the pro's service motion and definitely see what you mean. The old school "down together up together" advice on the service is dead. The only guy out there that still does this I think is Stan Wawrinka. Everybody else I see gets the tossing arm up before the racquet starts moving up and that I believe enables you to get that shoulder tilt and SOS thing going. Stan still gets good pop on the serve but I wonder how much better it would be if he hit it like all the others do.

  30. Talk less. Demonstrate more!! You guys are in love with the sound of your voices far too much. Talk less. Demonstrate more.

  31. I was under the impression that tilting your body upward was just to ensure that you were swinging forward and up on the ball. Isn’t the kinetic chain or uncoiling of the linkage system where all the power comes from? I might not be understanding the video properly ??‍♂️.

  32. Oh my man how wrong u r,this days everybody is a coach!the power comes from yours shoulder rotation ,uperbody rotation as with forhand and backand.why r u guys doing this giving bad advice to tennis players of all age .u shuld be ashamed.

  33. Is shoulder over shoulder to say front shoulder higher than back shoulder? I don’t understand the use of the word “over”… wouldn’t that mean one is on top of the other ?

  34. Great video, very informative, should help my serve a lot. Really appreciate these free coaching videos.

  35. Very good analysis. I agree with what you have said about Andy Roddick. I admired his short version compact hit of the ball, but Roddick's posture with butt outward was not the right way. Bending knees and shoulder to shoulder were excellent techniques.

  36. 90% of serve power comes from the speed of the shoulder over shoulder movement.. which is basically the power of your serving shoulder. Summary: the power of your serve comes from the power of your arm and shoulder.

  37. Great explanation and analysis. Not so great demonstration such as your spinning and arcing ball toss, weird backward airplane wing left arm leaving you with poor balance (sometimes falling off to the left) instead of pulling that arm into your chest, etc. Also, if you're going to discuss serve power, you must include the importance of pronation in your lesson.

  38. The continuous swing of the racket and the fluid circular motion is more important than this jerky motion. Law of inertia dictates that fluid motion means more power. You want to talk about the serve of Sampras look how fluid his motion is. The motion of the racket head is the 90% reason for power in all tennis shots.

  39. As a basketball player and a tennis player I can Def say you're concept of leg drive not being useful is wrong. I'm hitting 120mph serve and it's all coming from the legs jumping into the ball.

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