Biomechanics of front lever & planche
Рет қаралды 15,883
Күн бұрынBy God's grace I managed to make this video happen. Also, engineers are the ultimate hybrid athletes.
Timestamps:
00:00 introduction
00:19 front lever force breakdown
02:18 lat tension in front lever
03:27 stress on lat tendon
03:58 trap and rhomboid activation
04:43 front lever vs pull-up
05:45 the effect of varying shoulder angle
06:04 retraction in touch front lever
07:09 rear delt mechanical advantage
07:21 medial elbow stress (attempt 1)
08:33 false grip vs overgrip
09:11 planche force breakdown
09:51 front delt tension in planche (attempt 1)
10:31 front delt tendon stress
10:44 planche vs HSPU
11:02 front delt tension in planche (attempt 2)
12:42 front delt tension in planche (attempt 3)
14:08 how tendons tear (bicep)
15:55 closing thoughts
16:02 medial elbow stress (attempt 2)
16:34 closing thoughts 2
music & sfx: epidemic sounds
Progressive Progress - Howard Harper-Barnes
From the Ashes of a Previous Life - Lama House
Inseparable - Rikard From
Concepts - Ever so Blue
Beneath the Waves - Gavin Luke
Life in Pieces - Howard Harper-Barnes
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@Huange._. 6 ай бұрын
Does anyone else's brain hurt?😁Feel free to ask questions or provide corrections in the comments! Timestamps: 00:00 introduction 00:19 front lever force breakdown 02:18 lat tension in front lever 03:27 stress on lat tendon 03:58 trap and rhomboid activation 04:43 front lever vs pull-up 05:45 the effect of varying shoulder angle 06:04 retraction in touch front lever 07:09 rear delt mechanical advantage 07:21 medial elbow stress (attempt 1) 08:33 false grip vs overgrip 09:11 planche force breakdown 09:51 front delt tension in planche (attempt 1) 10:31 front delt tendon stress 10:44 planche vs HSPU 11:02 front delt tension in planche (attempt 2) 12:42 front delt tension in planche (attempt 3) 14:08 how tendons tear (bicep) 15:55 closing thoughts 16:02 medial elbow stress (attempt 2) 16:34 closing thoughts 2
@monsieurLDN 6 ай бұрын
Did you already know the physics and anatomy needed to do your analysis or did you research the knowledge needed to do it? Nice video
@Huange._. 6 ай бұрын
@@monsieurLDN I knew how to do the math but had to research anatomy to apply it.
@Slime_on_a_rock 4 ай бұрын
Hi, just a quick opinion based on the video thumbnail, I'm in the opinion that the tension in the arm should be bigger than the total weight of the body, in this case 214pounds (which is equal to 162 pounds / cos 41). In another word, instead of of your weight resolving into 2 forces, I chose the assumption of arm tension force that is the one resolving into 2 forces, in which one of them is the weight of your body (162). I checked geek climbing video, he didnt give out this information though, so I would be interested to know the answer to this ....I studied civil engineering, so all these fundamental are rusty too, so it's a wild guess too.
@Huange._. 4 ай бұрын
@@Slime_on_a_rock It's not wrong to say that the internal forces in the arm are greater than your bodyweight, but at the point of contact between the hand and the bar, there should be a vertical force equal to your bodyweight. Otherwise, your body will experience a non-zero acceleration.
@nonexistent944 6 ай бұрын
Only an asian would use maths on calisthenics and still manage to nail the progressions. Man, i am proud to be asian. Keep up the great work bruh.
@Huange._. 6 ай бұрын
thanks! 😂
@xYoshiama 5 ай бұрын
Hey... Sounds racist... 🤔 But so true bro
@nonexistent944 5 ай бұрын
@@xYoshiama I am praising the guy here. I am asian too bruh. I am proud of my race.
@xYoshiama 5 ай бұрын
@@nonexistent944 i was kidding obviously haha I read your message I know your asian!
@instantdislikechannel5699 4 ай бұрын
and whats next? god was probably also asian? 🤣🤣🤣
@shaundao3401 6 ай бұрын
Dude I'm impressed by the dedication you put intio this video. Hard to say I enjoy the math, but I found it helpful when you mentioned the anatomy of tendons, bones and muscles involved. I used to take tendons and bones for granted in my exercises. Anyway, keep up the good work! 💪💪
@Huange._. 6 ай бұрын
haha even I get brain fog when watching this video despite working on it for 2+ weeks 😅 Glad you found it helpful, and thank you!
@multi9135 6 ай бұрын
Really cool video! I'm doing my masters dissertation on the biomechanics of the Planche. Its nice to see that there are others intrested in the scientific principles behind callisthenics skills.
@Huange._. 6 ай бұрын
Wow that sounds interesting! Please share it once it's complete! I'd love to check it out.
@EragonShadeslayer 5 ай бұрын
Please share this man I'd love to see it
@workoutshop 4 ай бұрын
great video!
@Huange._. 4 ай бұрын
Thanks!
@zRedPlays 5 ай бұрын
I really like maths and physics, especially physics, I've always wondered how everything works in these calisthenics moves, and while I do know some basic physics, I couldn't do all these calculations by myself. It's really interesting to see everything in detail, I think it's crazy just how much force our muscles can generate and how resistant they are. Nice work, definitely gained a sub, it would be awesome if you could analyze the biomechanics of other calisthenics exercises
@Huange._. 5 ай бұрын
Glad you enjoyed it!
@krippaxxuseredarlordofthes9940 5 ай бұрын
i like it too,, but only 1+2 and things like that
@Koroar 24 күн бұрын
The work that went into this is insane man, awesome video thank you for sharing
@Huange._. 22 күн бұрын
thank you!
@bgcalisthenics 6 ай бұрын
One of the best videos on breaking down the Planche & Front Lever. Well done bro!
@Huange._. 6 ай бұрын
thank you!
@that_chera 6 ай бұрын
This is an amazing video. Very well explained!
@Huange._. 6 ай бұрын
thanks!
@flutemcglute 4 ай бұрын
Simply legendary. I will keep reviewing this in my planche and lever exercises and cite your dedicated calculations to my calisthenics club members. Goated fr
@Huange._. 4 ай бұрын
thanks and best wishes!
@EragonShadeslayer 5 ай бұрын
Excellent video, I love seeing this kind of thing!
@Huange._. 5 ай бұрын
thank you!
@princetj593 5 ай бұрын
I appriciate you olso coming up with the hole topic trying to discribe everything so well and loved the parts about the tendons inside bassicly hole video very informative
@Huange._. 5 ай бұрын
thanks!
@dvorakgigachad1444 6 ай бұрын
Thanks buddy! I was looking for something like this for ages
@Huange._. 6 ай бұрын
Glad to help!
@isaacasimov8104 5 ай бұрын
Like a boss bro...Thanks for the hard work.
@Huange._. 5 ай бұрын
thanks!
@malcolmcalisthenics 8 күн бұрын
Weighted Pull up and Weighted HSPU (against wall with chest to wall and push with protraction) help a lot for front and planche
@memesarelife7432 6 ай бұрын
Great video, i needed this things but couldn't find it nowhere
@Huange._. 6 ай бұрын
Happy to help!
@dinofelpos1687 5 ай бұрын
Good video it'll blow up for sure.
@Huange._. 5 ай бұрын
thanks!
@florin776 6 ай бұрын
I just stumbled upon your video and I can confidently say with alomost 100% certainty that it is one of the BEST calisthenics video I’ve EVER seen! Keep it up 🦅 What is the background music at the beginning of the video please?
@Huange._. 6 ай бұрын
Thanks! I provide all the music I use in the description. The one you're asking about is Progressive Progress by Howard Harper-Barnes
@florin776 5 ай бұрын
@@Huange._. thank you so much!
@winstrol8177 6 ай бұрын
the human body is the greatest creation,the fact that the front lever is even doable for humans is the ultimate proof of it's genius design
@mrsxber1916 6 ай бұрын
Genius design by a genius designer.
@Huange._. 6 ай бұрын
:o
@auliabadruzzaman2198 6 ай бұрын
"im not weak, my muscles tendon just attached too close to my join" is a new excuse for me :D
@Huange._. 6 ай бұрын
😂
@jaurol688 6 ай бұрын
Wow such a great video, and as a physics student I really enjoyed your analysis. I have never seen another calisthenics influencer break it down like you did here. Obviously as you said you made a lot of assumptions, but the thought processes are really interesting! Also I never thought of bicep tendon tear in terms of force angles. You made a great point and it makes perfect sense. By the way I am just curious what do you major at UCLA? I am really impressed with the way you approached this problem.
@Huange._. 6 ай бұрын
Thanks for the compliment! I'm a mechanical engineering major :)
@jaurol688 6 ай бұрын
No wonder :)@@Huange._.
@MantisCalisthenicsTraining 6 ай бұрын
Enjoyable video man Idk how the math changes, but the OH Press weight that was found seems to be closer to a reasonable Bench Press target for the Full Planche (1.75xBW). Based off personal anecdotes within training. OHP about 1.1 or 1.2xBW for 3-5s hold.
@Huange._. 6 ай бұрын
Yup, I made 3 attempts to estimate the tension in the front delt in the planche. The first attempt yielded 850 lbs, the second didn't work at all, and the third yielded 420 lbs. So most likely, the actual answer is somewhere between the first and second, which would match your personal anecdotes! And thank you!
@danielcoloma232 6 ай бұрын
You sir just earn a new follower from France 🇫🇷 Like you when working the front lever, I feel a lot of tension in my midback. Never seen any calisthenics athlete mentioning it anywhere. It was frustrating not to know why !! Thanks a lot man and congrats, you are contributing to the community 💪 PS: to decrease the stress in the midback (I’m assuming the lats), it would help to develop rear delts ?
@Huange._. 6 ай бұрын
yes it was a super cool realization to me as well! I don't think the lats contribute very much to the stress on the mid back that I was talking about in the video. I think it has more to do with the traps and rhomboids. As for how I'd decrease it, I'd probably work on exercises like wide row variations and reverse flys. And I guess by training the rear delts we are also training the mid-back, so yes - long story short 😅
@danielcoloma232 6 ай бұрын
@@Huange._. ok so I tried my theory based on your information. In my warm up, I insisted on rotator cuffs and it improved a lot the pain I had in my last training session (2 days ago)! My mid back was less stressed, probably because I was finally activating all the muscles of the shoulders. I think I’m going to continue this path of strengthening my weak shoulders. Let me know if you try it and please give me some feedbacks about your midback pain as well🙏 Take care man 💪
@Huange._. 6 ай бұрын
@@danielcoloma232 Great to hear! Rotator cuff exercises are good in my opinion. Not much to say about my pain besides that it hurts in high intensity attempts. So I just do lower intensity skill work and add some retraction work (ie. reverse flys or rows)
@antw5130 6 ай бұрын
Wow Jimmy great job. Your work is very convincing and thorough given what you had at your disposal. I found myself thinking a lot about these movements in a way that I have never before, especially the axial forces to counteract the horizontal components of the tangential forces and the calculation of the moments through the insertions along the limbs. I just about died on the planche discussion lol 😆. I may be misunderstanding, but since you suggested that the bicep contributes to shoulder extension due to its connection at the scapula and you included that in your revised planche calculation, could you have done the same for the hspu calculation and found a value that is less than the deltoid force in the planche?
@Huange._. 6 ай бұрын
I'm glad you found it interesting Tony! Yes, I also died in the planche discussion, but in a different way :) As for your question about the HSPU, this is actually something I thought about too! The reason why we can't assume that the bicep assists in shoulder flexion during a HSPU is that the biceps and triceps are antagonists. Basically, since the HSPU involves the triceps, that means the biceps have to be deactivated or else they'll interfere with the elbow extension aspect of the movement. As a result, the front delts can be assumed as the only agonist of shoulder flexion in the HSPU! This is unlike the front lever/pull-up, where I neglected the rear delts and teres major muscles. The rear delt and teres major contribute to both the pull-up and the front lever, unlike the bicep which contributes only to the planche. So by ignoring the rear delts and teres major in both calculations, I end up getting a similar amount of error in them. This allows the "how much weight do I need to add to a pull-up to get the same tension in the lat as the front lever calculation" to still be pretty accurate.
@user-bm7xl1cl8n 5 ай бұрын
That's me when i'm bored and not lazy at the same time.
@gonzalezm244 5 ай бұрын
I’m a mechanical engineer and I can confirm that this guy knows his stuff!
@Huange._. 5 ай бұрын
thanks!
@ilcali.jo15 6 ай бұрын
I think there could be some mistakes in the front lever analysis because the triceps work, too. However GREAT video, I subscribed to see more videos like these. You could analyze back lever, hefesto, one arm pull up and so on…
@Huange._. 6 ай бұрын
yes I did unintentionally ignore the role of the long head of the triceps in shoulder extension 😅 And I'm looking forward to doing this again!
@Eli412496 6 ай бұрын
Ahh, biomechanics and human exercise physiology. I passed with A and B+ 🙏🏾 . 😂 I don't miss it whatever. Great explain of the front lever. You did your research very well 👍🏽 Not a lot of people know that tendons like to stay in a relatively fixed position. In my experience with full and assisted front lever to some extent, not alot of scap retraction or depression can happen. Very rare cases also do the tendons and inflammation can happen in that position.
@Huange._. 6 ай бұрын
Thank you! I don't think I'll miss this either! And I agree that the scapula don't have much range of motion in the front lever! Also, the main reason I included the elbow calculations is because I've gotten golfer's elbow from front lever before.
@Eli412496 6 ай бұрын
@@Huange._. yea golfer's is uncomfortable in front lever.
@easterneurosweatsuitfan1371 5 ай бұрын
What a niche video that I happen to tick all boxes for! 😂Either way great video.
@Huange._. 5 ай бұрын
thanks!
@BaoVuongg 5 ай бұрын
can you make another video explaining the same concept but in a shorter and simplified video?
@Huange._. 5 ай бұрын
which part would you like clarification on?
@pressaltf4forfreevbucks179 5 ай бұрын
Everybody gangsta till the quiet kid gets into calisthenics and gets that statue physique
@Huange._. 5 ай бұрын
thanks!
@shawnzhuang1392 6 ай бұрын
brain exploding fr wow this is some crazy stuff
@Huange._. 6 ай бұрын
haha yessir welcome to the club!
@miszor1339 6 ай бұрын
Yo bro, great video, keep up the good work, I have 2 questions related to the topic, how does extra weight on my upper body (for example pecs, delts, traps muscle mass) affect these skills, does it make them easier or harder? Second question is similar, how does the mass on my arms affect these skills (biceps, triceps muscle mass), if we consider that the extra muscle mass doesn't make me any stronger in both of these cases.
@Huange._. 6 ай бұрын
Assuming it doesn't make you any stronger, extra upper body mass will shift your center of mass closer to your upper body, which is generally helpful. On the flip side, it will also increase your total weight which will make it harder. As for the arms, it could help with the front lever a bit since if we look at a free body diagram of the arm, the weight of the arm acts as a distributed load along the length of the arm, which produces a moment that assists in extending the shoulder. I actually ignored the weight of the arm in my analysis which I probably shouldn't have done lol.
@miszor1339 6 ай бұрын
@@Huange._. Bro your awesome, the way you apply physics knowledge into calisthenics is admirable, I hope to see more such videos in the future, thanks for the answer.
@Svvicu 4 ай бұрын
I swear that some youtube should be scientific papers and this is one of them.
@Huange._. 4 ай бұрын
thanks!
@alidluffy5564 5 ай бұрын
What would you say is the best way to reduce the chance of a bicep tendon tear? Amazing video btw.
@Huange._. 5 ай бұрын
thanks! I'd recommend training conservatively and preparing the joints adequately for difficult skills, and also being mindful of how fatigue affects injury risk. For more specific cases, I would recommend looking up bicep tears in the exercise you're worried about, and learn more about how those tears occurred. Some recent ones in planche are Dr. Yaad and Viktor Kamenov.
@remilaget4623 6 ай бұрын
idol
@Huange._. 6 ай бұрын
ty remo! 🙏
@albertorossetti7959 6 ай бұрын
Subscribed! Please consider working together with GekClimber for more calisthenics physics in the future! And also using/translating your values into the metric system for us Europeans
@Huange._. 6 ай бұрын
haha he definitely inspired me to do this video :) And I'm looking forward to doing more in the future! Next time I'll try to be more inclusive of metric/imperial
@EragonShadeslayer 5 ай бұрын
@@Huange._. Inspired ;) Do I sense slyness?
@ayushsaha4656 6 ай бұрын
I also go to ucla and do calisthenics, no wonder this showed up on my recommend
@Huange._. 6 ай бұрын
:o no way! You should join our calisthenics club if you haven't already! We're bruinstreetworkout on instagram :)
@isaiahstackleather3614 6 ай бұрын
This was dope! Future analyses like these will definitely help to better quantify training and progression for straight arm Calisthenic skills. Thank you for all the time you put into this!
@Huange._. 6 ай бұрын
glad you enjoyed it!
@ca2997 6 ай бұрын
Great video mate I watched it while eating my eggs benny 💪💪👍👍
@Huange._. 6 ай бұрын
thanks!
@DanTrue 6 ай бұрын
You could hold frontlever when doing 20 pound weighted pullups? :S I use almost 35 for 5 reps, and I can just hold a super advanced tuck for 5 seconds. And we're the same weight. Thanks for all the math :) It's been a while since I took physics, but I liked your approach and calculations.
@Huange._. 6 ай бұрын
Don't take the numbers too seriously! There's a lot more that goes into holding a front lever than just the strength of the lats/weighted pull-up, so that figure was a bit misleading. Even though my weighted pull-up wasn't that strong, I still trained for 1.5 years to learn the front lever! And thanks!
@dannniels 6 ай бұрын
great video, although most of the information flew way over my head and I've got no idea how it can be put to practical use
@Huange._. 6 ай бұрын
yes there aren't a huge amount of practical takeaways here. I would say that the main ones are: 1. understanding how the traps and rhomboids work in front lever progressions 2. understanding how the front lever/planche compare to the weighted pull-up and planche 3. understanding the stress on various tendons (bicep, lat, front delt) in these positions
@darcyballsuper 5 ай бұрын
hey this is original work and worthy of peer review too; ill give it a shot some time. I see your weight is 166 which is nuts for calesthenics ( for ref heria is 140s; leo wang newly viral 140s) but there is no mention of height...
@Huange._. 5 ай бұрын
thanks and looking forward to it! I thought heria is 160-170 ish based on his "30 day transformation challenge" video but lemme know if there's a more recent vid with him being lighter. I'm not sure about Leo but 140 seems possible.
@darcyballsuper 5 ай бұрын
@@Huange._. hmm cannt find the heria, but googling is conflicting 140s; as for leo it is direct from his rare talk videos. its also interrsting of the four of us three are chinese descended, and this is not me
@darcyballsuper 3 ай бұрын
i looked at it again fortunately nothing else depends on the numbers, but with that the numbers are way off; so, just wondering, did nobdy else review this prior to my comment a month ago or afterwards? @@Huange._.
@fshiu 6 ай бұрын
Like geek climber but actually good
@Huange._. 6 ай бұрын
nah geek is goated :)
@him9394123 6 ай бұрын
based on this analysis what is the most effective exercise to increase the strength of front dealt for planche? thank you
@dvorakgigachad1444 6 ай бұрын
Abducting the subscapilaris with alien percision
@Huange._. 6 ай бұрын
probably hspu or overhead press variations
@him9394123 6 ай бұрын
@@Huange._. how about pseudo planche push up cause I can't HSPU :(
@Huange._. 6 ай бұрын
@@him9394123 that's also good, as well as pike push-ups!
@st-ok8qs 6 ай бұрын
Why people dont mention triceps when talking about front lever or more advanced variations ? Isn't it important as a planche bicep ?
@Huange._. 6 ай бұрын
good question. in the front lever the arm is slightly internally rotated, which loads the medial elbow a bit more intensely than the triceps in my opinion. So I ignored the triceps, even though they are also working in this exercise. They aren’t as important as the biceps due to this and also the fact that the biceps can assist with shoulder flexion while the triceps can’t assist with shoulder extension.
@st-ok8qs 6 ай бұрын
@@Huange._. I agree with you about first part. When done on rings, you can rotate slightly out and makes more triceps and easier on elbow. As i remember long head of tricep does assist shoulder extension slightly. I may be wrong, you must check it out.
@Huange._. 6 ай бұрын
@@st-ok8qs ah i see you're correct about triceps and shoulder extension
@YouTrolol 4 ай бұрын
i'm about 162lbs, 5'9". i'm doing 5x5 pullups with 110lbs, which with the website you used, is 146lb 1RM. I still wouldn't say i've unlocked the front lever
@Huange._. 4 ай бұрын
nice, you're very strong. I agree that having a strong weighted pull-up doesn't equate to a front lever. My calculation was simply comparing the tension in the lat, not the other muscles used.
@Tannyller 5 ай бұрын
I can't seem to get my arms and body at 45% or near it. I guess that's why I'm stuck at stradle front lever. Can you point out on why I can't do it, Do I lack shoulder strength or lat strength.
@Huange._. 5 ай бұрын
I don't think I can point out why you can't do it just from what you've shared. But stay consistent and try to work on your weak points!
@Tannyller 5 ай бұрын
@@Huange._. I can upload it just for you to see and delete it after. I'll really appreciate it.
@Tannyller 5 ай бұрын
@@Huange._. i uploaded a short and a short video as well from both angles.
@Huange._. 5 ай бұрын
@@Tannyller from what I can see, you'd probably continue to benefit from specific front lever training (holds/banded holds, maybe a bit of dynamics) while continuing to build your base (pull-ups/rows). Good work!
@Tannyller 5 ай бұрын
@@Huange._. thank you, I'll focus on those then. ❤️
@ethanparsons2136 5 ай бұрын
Calisthenics is a brain workout too
@Huange._. 5 ай бұрын
:)
@AwsTheBaws 5 ай бұрын
i understood nothing but i watched the whole thing
@Huange._. 5 ай бұрын
:o
@SillyDwarf__ 2 күн бұрын
Homie when did you start calisthenics?
@Huange._. Күн бұрын
around dec 2020
@Gregiss 5 ай бұрын
There is no way yet to calculate this. Front lever is not only lats and shoulders
@Huange._. 5 ай бұрын
fair point!
@attempted_cali Ай бұрын
Hey, what do you major in at university?
@Huange._. Ай бұрын
mechanical engineering
@attempted_cali Ай бұрын
@@Huange._. epic man
@darcyballsuper 3 ай бұрын
hey did nobdy else review since my peer review comment a month ago or prior? im mean with 15k views eye just wondering since it is all common core k-12 (usually eleven), but eye lookd at it, and numbers are way off foruntaely nothing depend on em per se btw i responded to my comment thread a few days ago but for some reason the google bot is moderatating a lot of my follow-up comments
@Huange._. 3 ай бұрын
hi, feel free to send me an email w/ ur review and I’ll look it over. thanks!
@darcyballsuper 3 ай бұрын
ah its not that kind of review jimmy eye just a 'peer' eye just cheq for mistakes dis owes to eyes done maths but eye pr ur physics@@Huange._.
@darcyballsuper 3 ай бұрын
ah. its not that kind of review jimmy eye just 'peer' see obvious ting half of dawgs missed half done seen it same; like @1:36 your normal vector resolution also corresponds to legs suspended by a string attached to fl bar
@darcyballsuper 3 ай бұрын
b. ut somehow i missed that on first read so it left a net force to the left lol tinking 15k idiot but i done see theres injection of ingenuity in dawg werk
@darcyballsuper 3 ай бұрын
b. ut somehow i missed that on first read so it left a net force to the left lol tinking 15k idiot but i done see theres injection of ingenuity in dawg werk
@romeylon4204 5 ай бұрын
what about triceps on front lever? you ignored it as well nonetheless very entertaining!
@Huange._. 5 ай бұрын
yes I mistakenly ignored it, but I mentioned that I probably overestimated the role of the lats in the front lever, so we can attribute some of that to the triceps
@romeylon4204 5 ай бұрын
@@Huange._. righttt
@pressaltf4forfreevbucks179 5 ай бұрын
See guys? Free body diagrams ARE useful
@yohannjr 5 ай бұрын
Mathematics? nah, this is Mathemasthenics.
@ferashebeshi8541 5 ай бұрын
Why man??
@Huange._. 5 ай бұрын
for the clout and to do something with my degree
@darcyballsuper 5 ай бұрын
@@Huange._.what deg would that be; impressed thats all
@Huange._. 5 ай бұрын
@@darcyballsuper mechanical engineering and thank you
@darcyballsuper 5 ай бұрын
@@Huange._. i was expecting to hear kinesiology; after all i heard people say its hard lol
@BaoVuongg 5 ай бұрын
Can you explain in more simpler terms🤣
@UlungJiK 4 ай бұрын
u did pretty bad mistake at the beggin, in every exercise that use 2 limbs, when you do it with one limb the weight doesnt split in half, you can check it yourself, if your max bench is 200 try doing dumbbell press with 2 100 ponds dumbbells, youll see the diffrence
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