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A man doing a headstand in Huntington Beach, CA

The headstand, or sometimes head stand, is a pose that is an inversion posture of standing head down. The technique is used in different settings such as yoga, breakdancing, acrobatics and beginner gymnastics.

Variations

Symmetrical yoga headstand

The pattern of a yoga posture may be balanced and symmetrical from all perspectives, even though not always in a legs-vertical position.

Asymmetrical yoga headstands

Some inversion postures in yoga do not keep the legs and torso completely vertical.

Mr-yoga-sideways-bound-angle-headstand-1

External links

This article on Gymnastics is a stub. You can help Wikipedia by expanding it.

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 ===Asymmetrical yoga headstands===
 Some inversion postures in yoga do not keep the legs and torso completely vertical.[[File:Mr-yoga-sideways-bound-angle-headstand-1.jpg|thumb|Mr-yoga-sideways-bound-angle-headstand-1]]
-==health-warning==
-normal [[Intraocular_pressure#22_jan_2019_4_33_pm_est|eyes pressure(iop,intraocular pressure)]] is 12-22 [[Millimeter_of_mercury#22_jan_2019_4_35_pm_est|mmhg]]<ref>
-{{
- cite web|
- title='Normal eye pressure ranges from 12-22 mm Hg' <!--
-       --> in www.glaucoma.org/gleams/high-eye-pressure-and-glaucoma.php from google (normal iop)|
- url=http://www.glaucoma.org/gleams/high-eye-pressure-and-glaucoma.php#22_jan_2019_5_27_pm_est
- }}
- </ref>.
-[[Intraocular_pressure#22_jan_2019_4_33_pm_est|iop]] during [[Handstand#21_jan_2019_9_49_pm_est|handstand]] : 34.8 [[Millimeter_of_mercury#22_jan_2019_4_35_pm_est|mmhg]]<ref name='yogamedblog'>
-{{
- cite web|
- title='lotus pose', 'handstand' in yogamedblog.wordpress.com/2012/08/13/inversions-glaucoma-suspects-retinal-tears-detachments/#22_jan_2019_1_6_pm_est <!--
---> from yogamedblog.wordpress.com/tag/eye-pressure-in-inversions/ <!--
---> from google (handstand ocular hypertension) result 7|
- url=https://yogamedblog.wordpress.com/2012/08/13/inversions-glaucoma-suspects-retinal-tears-detachments/#22_jan_2019_1_6_pm_est
- }}
- </ref>.
-[[Intraocular_pressure#22_jan_2019_4_33_pm_est|iop]] during [[Headstand#21_jan_2019_4_35_pm_est|headstand]] : 33.6 [[Millimeter_of_mercury#22_jan_2019_4_35_pm_est|mmhg]]<ref name='yogamedblog'/><ref>
-{{
- cite web|
- title='Measurement of the IOP by Tono‐Pen in the headstand position showed a twofold increase of IOP compared to IOP in the sitting position (32 compared to 16 mm Hg)' <!--
-   --> in www.ncbi.nlm.nih.gov/pmc/articles/PMC2000997/#22_jan_2019_3_12_pm_est <!--
-   --> from google(iop handstand) result 1|
- url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2000997/#22_jan_2019_3_12_pm_est
- }}
- </ref>.
-[[Intraocular_pressure#22_jan_2019_4_33_pm_est|iop]] during sitting down on [[Floor#22_jan_2019_4_35_pm_est|floor]] ([[Lotus_position#22_jan_2019_4_35_pm_est|lotus pose]]) : 13.7 [[Millimeter_of_mercury#22_jan_2019_4_35_pm_est|mmhg]]<ref name='yogamedblog'/>.
-[[Intraocular_pressure#22_jan_2019_4_33_pm_est|iop]] > 21 [[Millimeter_of_mercury#22_jan_2019_4_35_pm_est|mmHg]] for long time,causes [[Glaucoma#22_jan_2019_4_38_pm_est|glaucoma]]<ref>.
-{{
- cite web|
- title=www.youtube.com/watch?v=f-tva2zj0H0&t=1m56s (Glaucoma (open-angle, closed-angle, and normal-tension) - pathology, diagnosis, treatment)|
- url=https://www.youtube.com/watch?v=f-tva2zj0H0&t=1m56s#22_jan_2019_5_27_pm_est
- }}
- </ref><ref>
-{{
- cite web|
- title=(1)Glaucoma is a disease that damages your eye’s optic nerve. It usually happens when fluid builds up in the front part of your eye. That extra fluid increases the pressure in your eye, damaging the optic nerve.'<!--
-   --> <br>(2)'Primary open-angle glaucoma<br><!--
-   --> This is the most common type of glaucoma. It happens gradually, where the eye does not drain fluid as well as it should (like a clogged drain). As a result, eye pressure builds and starts to damage the optic nerve. This type of glaucoma is painless and causes no vision changes at first.' <!--
-   --> (3)'When the drainage angle gets completely blocked, eye pressure rises very quickly. This is called an acute attack. It is a true eye emergency, and you should call your ophthalmologist right away or you might go blind.' <!--
-   --> <br>in www.aao.org/eye-health/diseases/what-is-glaucoma#22_jan_2019_3_14_pm_est|
- url=https://www.aao.org/eye-health/diseases/what-is-glaucoma#22_jan_2019_3_14_pm_est
- }}
- </ref>
-[[Hypertensive_retinopathy#22_jan_2019_4_53_pm_est|hypertension in eye,is called hypertensive-retinopathy(hr)]].untreated [[Hypertension#22_jan_2019_4_31_pm_est|hypertension]] causes [[Aneurysm#22_jan_2019_4_41_pm_est|aneurysm]]<ref>
-{{
- cite web|
- title='aneurysm' in  www.mayoclinic.org/diseases-conditions/high-blood-pressure/basics/complications/con-20019580 from google (hypertension) result 1|
- url=http://www.mayoclinic.org/diseases-conditions/high-blood-pressure/basics/complications/con-20019580#22_jan_2019_5_27_pm_est
- }}</ref>.
-[[Aneurysm#22_jan_2019_4_41_pm_est|aneurysm]] happens in [[Artery#22_jan_2019_4_41_pm_est|artery]] more likely than
-in [[Vein#22_jan_2019_4_39_pm_est|vein]] because [[Vein#22_jan_2019_4_39_pm_est|vein]] has lower-[[Blood_pressure#22_jan_2019_4_41_pm_est|blood-pressure]] than [[Artery#22_jan_2019_4_41_pm_est|artery]]<ref>
- {{
- cite web|
- title=www.youtube.com/watch?v=FgcHtmry3iA&t=0m39s (Aneurysms (brain, aortic, abdominal) - causes, symptoms & pathology)|
- url=https://www.youtube.com/watch?v=FgcHtmry3iA&t=0m39s#22_jan_2019_5_27_pm_est
- }}</ref><ref>
- {{
- cite web|
- title='Aneurysms are weak places in an artery not a vein that begins to bulge' <!--
- --> in answers.yahoo.com/question/index?qid=20080416165723AAZAvCr from google (varicose vein vs aneurysm) result 9|
- url=https://answers.yahoo.com/question/index?qid=20080416165723AAZAvCr#22_jan_2019_5_27_pm_est
- }}</ref>.
-[[Eye#22_jan_2019_5_32_pm_est|eye]] has [[Central_retinal_artery|central-retinal-artery]] so there is a risk of [[Aneurysm#22_jan_2019_4_41_pm_est|aneurysm]] in [[Eye#22_jan_2019_5_32_pm_est|eye]]<ref>
- {{
- cite web|
- title='www.youtube.com/watch?v=_aGL9dU-Lnk&t=1m32s (Eyeball &#124; Blood Supply)from youtube-search(retinal artery)result 2|
-     url=https://www.youtube.com/watch?v=_aGL9dU-Lnk&t=1m32s#22_jan_2019_5_27_pm_est
-  }}</ref><ref>
- {{
- cite web|
- title='The central retinal artery, enters the eye <!--
-     --> through the optic nerve and divides into  <!--
-     --> multiple branches to perfuse the inner  <!--
-     --> layers of the retina' in www.eye.uci.edu/retinavitreous.html from google-image (central retinal artery inside retina) row 1 col 3|
-     url=http://www.eye.uci.edu/retinavitreous.html#22_jan_2019_5_27_pm_est
-  }}</ref>.
-[https://www.youtube.com/watch?v=FgcHtmry3iA&t=2m26s#22_jan_2019_5_27_pm_est how aneurysm grows bigger then has a risk of bursting:https://www.youtube.com/watch?v=FgcHtmry3iA&t=2m26s (Aneurysms (brain, aortic, abdominal) - causes, symptoms & pathology) from youtube-search(aneurysm)result 1.]
-how [[Hypertension#22_jan_2019_4_31_pm_est|hypertension]] break [[Blood_vessel|blood-vessel]],retina-blood-vessel?
-[https://www.youtube.com/watch?v=Ab9OZsDECZw&t=2m10s#22_jan_2019_4_5_pm_est How blood pressure works - Wilfred Manzano:https://www.youtube.com/watch?v=Ab9OZsDECZw&t=2m10s#22_jan_2019_4_5_pm_est]
-how [[Blood#22_jan_2019_4_38_pm_est|blood]] flow upward in [[Human_leg#22_jan_2019_4_38_pm_est|leg]] so not suffering [[Venous_insufficiency#22_jan_2019_4_41_pm_est|venous insufficiency]]?
-by moving<ref>
-{{
- cite web|
- title='Sitting or standing for long periods' in www.nlm.nih.gov/medlineplus/ency/article/000203.htm#22_jan_2019_5_48_pm_est|
- url=http://www.nlm.nih.gov/medlineplus/ency/article/000203.htm#22_jan_2019_5_48_pm_est
- }}
- </ref>.
-usually it is not possible to move [[Neck#22_jan_2019_5_8_pm_est|neck]] to send [[Blood#22_jan_2019_4_38_pm_est|blood]] upward during [[Handstand|handstand]],[[Headstand|headstand]].[[Choroid|cornea]]
-can have flexible-dent so measuring [[Intraocular_pressure#22_jan_2019_4_33_pm_est|internal-eye-pressure/intra-ocular-pressure/iop]] is possible:
-[https://www.youtube.com/watch?v=qEbJfPr1RuA&t=1m22s#22_jan_2019_5_31_pm_est (How to Use a Schiotz Tonometer) from youtube-search(how tonometer works)result 2]
 ==See also==

v t e Strength training exercises
Pectorals (chest)	Bench press (c) Chest fly (i) Dip (c) Machine fly (i) Push-up (c)
Lats and trapezius (upper back)	Bent-over row (c) Chin-up (c) Muscle-up (c) Pull-down (c) Pull-up (c) Seated row (c) Shoulder shrug (i) Supine row (c) Face pull (c)
Deltoids (shoulders)	Bridge (c) Face pull (c) Front raise (i) Headstand into handstand push-up (c) Lateral raise (i) Rear delt raise (i) Shoulder press (c) Upright row (c)
Biceps (front of arms)	Bicep curl (i) Chin-up (c) Reverse grip push-up (c)
Triceps (back of arms)	Close-grip bench press (c) Close grip push-up (c) Dip (c) Push-down (i) Triceps extension (i)
Forearms	Wrist curl (i)
Abdomen and obliques (abdomen)	Crunch (i) Leg raise (c) Russian twist (c) Sit-up (c) Squat (c)
Lower back	Bridge (c) Deadlift (c) Good-morning (c) Hyperextension (c) Pelvic lift (c)
Hips and buttocks	Bridge (c) Deadlift (c) Dirty dog exercise (c) Leg press (c) Lunge (c) Squat (c)
Quadriceps (front of thighs)	Bridge (c) Deadlift (c) Leg extension (i) Leg press (c) Lunge (c) Squat (c)
Hamstrings (back of thighs)	Bridge (c) Deadlift (c) Good-morning (c) Leg curl (i) Leg press (c) Lunge (c) Squat (c)
Adductors (inside of thighs)	Side-lying leg raise (i)
Calves	Calf raise (i)
See also Bodybuilding Bodyweight exercise Calisthenics Muscle hypertrophy Weightlifting Plyometrics Weight training (List of exercises) Flywheel training Gym Legend (c) – compound exercise, (i) – isolated exercise