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And is there other archer inside/outside of Europe in ancient time suffer the same deformity like English archer?

From skeleton reconstruction enter image description here enter image description here. I also cant find the credible site, but its pretty much common knowledge about English bowmen have arm deformity also from this video cant say its credible,

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Deformed arms? No - the skeletal changes are in the back and shoulders, not the arms, and I'm not comfortable with the term "deformed". That said, were there similar changes to the skeletons of longbow archers and horse archers? Probably. The following quote applies to Hungarian horse archers, using similar bows and suggests that skeletal changes would have happened to Mongol archers.

Evidence of increased muscle use in the "archer" skeletons was found on the collarbones, upper arm bones, and lower arm bones, such as at the bony attachment sites for the pecs, delts, and lats, suggesting greater use of the muscles involved in archery. This pattern of skeletal changes is even found in children from the cemetery, leading the authors to conclude that "some kind of [archery] training began during childhood." forbes.com

I can't find direct citations of skeletal changes in Mongol horse archers, but I think it is reasonable to assume these changes based on 1) the presence of similar deformations in other cultures and 2) similar draw weights in the bows.

Two potential weaknesses in my theory. First, the horsebow is much more efficient than the longbow, and it might be that the efficiency and technological sophistication of the composite recurve bow might impose less strain on the skeleton and result in less deformation. Second, I'm not entirely clear how severely the longbow deformed the skeleton of the English archers.

Draw weight

The skeletal changes are probably driven primarily by the draw weight of the bow. I had expected the longbow to have a higher draw weight, but that conclusion is not supported by evidence. The sources below offer varying estimates for the draw weight of the English longbow, and I don't have a lot of estimates for the Mongol bow, but the consensus seems to be that both bows had a draw weight of about 100 lbs. I really shouldn't have been surprised - I've got a Mongol bow with a 50+ pound draw weight here in my living room and I'm just a plonker/beginner. (the bow was a gift and I haven't actually measured the draw weight. My teacher had a heavier bow, but I knew I wasn't going to be able to draw it for years). I find it quite credible that a Mongol who relied on the bow for survival would draw a heavier weight than I do.

According to Professor B. Kooi's estimations, the Mary Rose longbows varied in draw weight from 100 to 180 pounds. The biggest group of draw weights being in the 150 to 160 pound range. toxophilius (this cites a very high draw weight, but is probably the least credible of the sources.

Also, very significantly, they were huge,

These bows are long, longer in fact than I had expected, most are over 6'6" and many approaching what appears to be 7 foot - I am 6 foot tall and although many bows are much taller than I am, there are others that are just 6 foot in length. Archers review

Horse bows are, by necessity, much shorter - shooting from horseback limits the length of the bow to roughly the archer's torso.

I have no documentation, but I believe that both English and Mongolian archers will devote a similar amount of time to training.

Technology and efficiency of bows

The English longbow is a self bow - a simple length of wood that is bent by the string. The Mongol horse bow is both composite and recurve which makes it much more efficient.

The English Longbow requires more of the energy it has stored to overcome the inertia of it’s own limbs. ArcheryHistorian

How severe were the skeletal changes?

Many of the men were found to have had a condition called 'os acromiale' where the shoulder blade has not fully fused together. This is thought to result from the persistent use, since childhood, of longbows in training and battle. open.edu

'It was a requirement by law for every male to practice archery regularly from an early age, and many of the skeletons recovered show evidence of repetitive stress injuries of the shoulder and lower spine,' explained Alexzandra Hildred, curator of ordnance at the Mary Rose Trust. Daily Mail

The draw weight of an English longbow averages around 70-80 pounds, whereas the Old Mongol bow had a pull that, according to George Vernadsky, averaged at around 166 pounds. Chambers states that the pull varied from 100 to 160 pounds. This seeming discrepancy certainly reflects the fact that draw weight varied with the strength of the user, and with what use the bow had been made for. As could be expected, there was a considerable difference in shooting range. Whereas the English longbow could shoot at distances up to 250 yards or around 228 meters, the Mongol counterpart can hit its target at 350 yards or 320 meters and, if the archer is well trained for the task, even beyond that. Coldsiberia.org

The remaining question that I'm not qualified to answer is how severe the skeletal changes were. I've cited a couple of different sources to substantiate the skeletal changes, but I don't have the anatomical skill to compare the severity of the changes in each source. Most sports practiced at this level will change the body. The popular press reports that the archers on the Mary Rose were "deformed", but that isn't a precise term.

This answer kind of got away from me; I hope the variety of sources will be helpful to others for research. I do a bit of horse archery myself, and I was pleasantly surprised that my initial guess as to the answer was incorrect.

  • Mongol composite bow is seriously overrated. Remember that typical Mongol warrior was shorter (and thus weaker) then typical European, and it quite unlikely they could draw bows with more force while on horseback then archers standing with both feet firmly on the ground. Also, Mongols gradually replaced bows with firearms since 16th century, quite unlikely thing if they could really propel arrows to 400-500m distance . Firearms of that period had effective range of about 100-150 m . – rs.29 Jun 29 at 22:55
  • I'm afraid that I'm going to give more credence to the sources and research I've cited plus my own experience over your unsupported assertions. – Mark C. Wallace Jun 30 at 0:32
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    Anyone living in Europe with sufficient interest in horseback archery should meet Lajos Kassai. It appears historians do take his work seriously. His expertise and journey to mounted archery is also detailed in John Man's "Attila the Hun", chapter 3 (2010). – J Asia Jun 30 at 4:31
  • @MarkC.Wallace Yes, but the sources you quoted are quite "fan-boyish" , i.e. they are fans of Mongols and their bows, so they desperately try to prove they are amazing. Note that we do not have real historical example of Mongol bow that could prove various amassing stories . – rs.29 Jul 2 at 6:29
  • @JAsia At the first glance this guy Lajos is much bigger then average Mongol rider, and he uses modern bow. I would take everything he says with the grain of salt . – rs.29 Jul 2 at 6:31

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