Sleight of Hand
We noticed this patient had a cross over gait while running (1st few seconds of video). We noted she was crossing her arms over her body as well. We than had her run her hands and arms straight out. See the crossover disappear? We the had her do the same while walking. Easier to see, eh?
The arms are essentially adducting when the arms cross over. The arms are reciprocally paired with the contralateral lower extremity. When you make a change in one, you often will make a change in the other.
Subtle. Yes. Pay attention, the answer is often right there if you look closely enough.
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https://www.youtube.com/watch?v=PDUxk32Kkkk
The solitary externally rotated foot, or "why is my one foot turned out ?"
In a previous post (and on the Cross Over video and hip biomechanics video) we talked about the externally rotated limb/foot as a compensation for a same sided weak gluteus medius. You should recall that in the scenario of a weak gluteus medius, a wonderful frontal plane stabilizer, the foot can turn out to help better engage and protect that frontal plane cheat or compensation by drawing the quadriceps availability into play in that frontal plane. By turning out the foot the knee hinge range goes with the foot and so the quadriceps can now actually help to engage and protect motion into this frontal plane. This is a nice compensation, one seen often, but it has its own set of sequelae.
However, there are other reasons for the externally rotated solitary foot. Lets look at another cause..... the rest is on our blog....
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https://www.youtube.com/watch?v=-DE5VPxJOMU
Welcome to Neuromechanics, a regular weekly feature here at The Gait Guys. Join Dr Waerlop on this neurological journey as he discusses the formation of bunions
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https://www.youtube.com/watch?v=Ul0prHG6nXo
Here we see Famous Chef Anthony Bourdain and a foot circumductory gait. There is a difference between a hip abductory gait and a foot abductory gait. Do you know the difference ? Check out our blog post on this topic dated April 24, 2012
at www.thegaitguys.com where we discuss the chef's gait issue here.
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https://www.youtube.com/watch?v=fc9qfKattY4
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https://www.youtube.com/watch?v=TI_84KjmG2E
Key tag words: running, gait, injuries, achilles tendon, CRIPSR, swearing, limbic system, MTSS, stress fractures, tibial stress fracture, medial tibial stress syndrome, shoe drop, treadmill running, treadmills, barefoot, cortisone, cartilage loss, runners, marathons Plus a plethora of other great running geeky stuff, clinical pearls, swearing, why not to use cortisone injections and more !
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Implantable computer chips will control your body’s movement http://nypost.com/2017/05/16/implantable-computer-chips-will-control-your-bodys-movement/?utm_campaign=partnerfeed&utm_medium=syndicated&utm_source=flipboard ANU researchers grow brain cells on a chip that can be used for neural implants http://tech.firstpost.com/news-analysis/anu-researchers-grow-brain-cells-on-a-chip-that-can-be-used-for-neural-implants-376218.html How Scientists Think CRISPR Will Change Medicine http://time.com/4764488/crispr-genomic-technology/ 'Exercise-in-a-pill' steps closer with new study http://www.medicalnewstoday.com/articles/317263.php Swearing can boost muscle strength and stamina, scientists claim http://www.mirror.co.uk/lifestyle/health/swearing-can-boost-muscle-strength-10358340 MTSS: medial tibial stress syndrome https://www.thegaitguys.com/thedailyblog/2017/5/2/medial-tibial-stress-syndrome-mtss-and-the-long-flexor-of-the-big-toe Corticosteriod coffin Effect of Intra-articular Triamcinolone vs Saline on Knee Cartilage Volume and Pain in Patients With Knee OsteoarthritisA Randomized Clinical Trial Timothy E. McAlindon, DM, MPH1; Michael P. LaValley, PhD2; William F. Harvey, MD1; et al https://twitter.com/JAMA_current/status/864631934483345408 http://jamanetwork.com/journals/jama/fullarticle/2626573?utm_source=TWITTER&utm_medium=social_jn&utm_term=901304561&utm_content=content_engagement|article_engagement&utm_campaign=article_alert&linkId=37665463 Achilles Tendon Load is Progressively Increased with Reductions in Wal
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https://www.youtube.com/watch?v=dPFAs12d3Fc
Just a few thoughts, rants, pearls, analogies and stories, once or twice a month . . . mostly leading towards a clinical point of view and things I find myself thinking about.
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https://www.youtube.com/watch?v=ZBroLYlDCzg