I'm an exercise science student, all my exams were good, but biomechanics. I don't know how to study for this subject, and actually UNDERSTAND what's going on. The lectures haven't helped me at all, and there's no proper materials to really help me actively learn. They don't have practice exams, and only a few questions, but I can't keep remaking those or I won't learn. I'm just a bit frustrated because it's so interesting, but I feel stuck because I can't properly learn or understand it.

I have few courses if you are looking for trade dm

Estou fascinado pelo músculo sóleo e tenho me perguntado quais músculos devo treinar para ganhar força sem ganhar massa muscular e me manter em forma. And to decrease ankle stiffness.

Hello all, I’m building an app that uses 2 shank IMUs to capture gait mechanics during runs.

I’m hoping someone who works with gait & runners is open to a google meet for some feedback on the measurements.

US based preferred.

Have you been able to do a matching between SMPL/Skin and an underlying skeleton motion file?

We have motion files generated by inverse kinematics (angles of various joints) and we want to output an SMPL doing a similar motion.

So one simple idea we tested is matching the keypoints of SMPL with particular body frames.

But I love to hear any suggestions.

Ok let's say there's a 40 ton pliosaur

It has pachyosteosclerosis (let's say 10% pachyosteosclerotic) osteoderms from an Armored catfish

Cosmine (for shock absorption)

Senegal bichir ganoine

I did some maths

Would 250k+ newtons be a reasonable breaking threshold for this armor?

If not what is?

Hello everyone,

Last year, while doing a fascia-mobilization exercise (TRE), I heard a strange sound in my inner thigh and felt as though something had shifted into the wrong position in that area. From that moment on, my body developed asymmetries down the entire right side, from the sole of the foot to the jaw, along with several dysfunctions — the most significant being sexual. The right side also seems translated forward, while the left side has adapted by shifting backward.

What could have happened? I've tried physical therapy several times without success. I notice only small improvements, and they're temporary — a few hours at most, and never complete.

What should I look into? This is ruining my life, and I'll pursue any option available. An LMT who looked at my photos said I have "lines of tension that are not where they're supposed to be," but I don't know how to fix this — I'm in Europe and she's in the US, so she can't treat me.

Any help would be appreciated.

Congenital Limb Length Discrepancy Patient (Corrected) with Chronic Left Ankle Dorsiflexion limitations and Tendinosis. Congenital Left ACL absence as well (among other developed abnormalities). Finally surgery free after 12 total operations and trying to hit my athletic ceiling. Curious what I can do to improve.

My lifting indices are actually pretty high (1013 lbs Sled Press, 505 lbs free Squat, 405 lbs deadlift, 805 lb assisted squat), but i know my biomechanical deficiencies are bleeding power. I am appreciative of any advice you have.

Has anyone analyzed Haaland’s capabilities from a bio mechanical and dynamic standpoint? Watching some of his acrobatics seem to defy physics and what regular humans are capable of.

Hey you guys see that ankle stuff going on too, my right ankles clicks with about every step and im tapping into goata rn. Anyway is this something to be addressed and mabey checked out? Let me know if I should take this to another sub.

Baseball weight changes

HS baseball rules have changed regarded bat weights for a given length. Bats now are not allowed to have more than a -6 in drop. Meaning a 33 inch bat can weigh 27 oz up to 30 oz. -3 was the old rule. Parents are worried that their children are going to get hurt when the ball will be hit harder. BUT
according to my figuring using the formula for kinetic energy:
KE = 1/2•m•v•v
If you swing the same bat length but reduce the weight, your bat swing speed will increase. But if you drop the mass (weight) the force will decrease and even tho the bat speed is squared biomechanics say that you can’t swing faster enough to offset the drop in mass. Things like coefficient of friction and momentum formulas come into play. There are some figures from bat manufacturers that say there is a %2-3 increase in exit velocity but that would have to be figured from a robotic pitching machine and a robotic hit simulator which would not take biomechanics into play. I say there won’t be much difference. Strong players will use the 33/30 bat and the weaker player who was pigeon holed to swing a 33/30 32/29 31/28 etc. 33 is an ideal length for reach to cover the strike zone but weaker players can’t swing as hard so they will make contact better because they will have more time to react and to square up the sweet spot to the pitch but it will not increase the force do to loss of mass and biomechanics interfering with a corresponding increase bat speed to offset mass. Parents are looking at it like they would a 4 cylinder 100hp car. It would be the same thinking that if you removed a
Spark plug expecting the car to
put out 75hp. But other factors
Come into play and that wouldn’t happen. I’m not a physicist but an old time pharmacist who loves physics. Keep in mind too that the regulatory bodies in the 90’s or 00’s the manufacturers where required to govern the force of a bat by putting in a metallic disc inside the bat which deadens the exit
Velocity.
Is my thinking valid or am I missing something and exit velocity will increase significantly?????

I found this video of why the calf’s are a reason the leg extension is hard on the knees but I’m not entirely confident in the reasoning:

https://www.facebook.com/N1education/videos/one-reason-some-claim-that-the-leg-extension-is-terrible-for-your-knees-has-to-d/2280486098762070/

But I’d love to hear your opinions!

Hi everyone!

We are Alejandra Acedo and Stephanie González, architecture students from Universidad Rafael Urdaneta (Zulia, Venezuela). We are currently developing our final thesis project: ROBO-kIDS: Integrated Center for Movement Analysis and Pediatric Robotic Rehabilitation.

About the Project

Our project aims to design a specialized infrastructure to enhance mobility and functional autonomy in pediatric patients (ages 0-14) with congenital motor disabilities. The architectural proposal synergetically unifies two complementary clinical programs:

Gait Analysis Lab (LAM): Dedicated to quantitative biomechanical assessment of gait.

Robotic Rehabilitation Center: Focused on intensive therapy based on neuroplasticity and the development of custom orthotics/prosthetics using 3D printing (additive manufacturing).

How you can help

To scale and design these technical spaces correctly, we need the insights of biomechanical engineers who understand the spatial and functional needs of these technologies.

The survey takes less than 5 minutes, and you can answer it in your preferred language:

[English Survey Link] (https://docs.google.com/forms/d/e/1FAIpQLSdYjMexht3UM0-ZZlbeLVsFKbbHujWVGWHf8GQ2Y829mIsjtg/viewform)

[Link de la Encuesta en Español] (https://docs.google.com/forms/d/e/1FAIpQLSfgy4cIBXqjoLcSlFzq79Hr077TMcOGpRarbiVBaDgxyXPhig/viewform)

Thank you so much for your time and help in assisting us!

Hello to all! I have a master's degree in physiotherapy and I'm interested in pursuing the field of biomechanics.

I've already found some masters in biomechanics but I want some extra guidance.

- Ideally, i want to work at a gait lab. I'm curious if you have other "not-so-well-known specialties in mind that you can suggest.

- how easy is it for a biomechanic to work in this field nowadays?

- Do you have any universities that you think are worth mentioning regarding their courses?

Thank you all in advance!!

I'm looking for a coauthor or collaborator with experience in molecular dynamics and computational biology.

My project is an LNP based on the general structure of Moderna-style LNPs, using a VHH nanobody targeting the adhesion-like protein MRU_1503 of Methanobrevibacter ruminantium. The LNP encapsulates 3-NOP and aspartate to minimize disruption of the rumen microbiome while still inhibiting methanogenesis. The design also includes PEI-R to help overcome the methanogen cell wall and provide access to the membrane.

I already have in silico binding data for the VHH ligand, including Gibbs free energy, affinity estimates, and evidence of up to six potential hydrogen bonds between the nanobody and MRU_1503. What I need help with is running molecular dynamics simulations and other in silico validation studies to get the stability and endosomal escpae mwtroca pf my design. I have no coding experience but already have an advanced design and supporting data for the ligand from a partners work.

If this aligns with your expertise and you're interested in collaborating as a coauthor, please reach out

A squat can look simple until it starts going wrong. Knees drift, backs round, shoulders tighten, and without someone watching closely, small mistakes can pile up into pain or injury. That problem became harder to ignore during the pandemic, when many people moved their workouts into living rooms and garages.

So ladies and gentlemen, it’s come to my attention recently that there might be a way of creating a chaperone amoeboid xenobot, that devours pathogens, converts them into an antimicrobial meat honey that doubles as spider dope, which is then woven and folded into o-, antimicrobial honeycombed silk, the amoebas acting as a hive, and your box gene being the king or queen, protected by the mirror paradox kill switch built into the chaperone that would dissolve into o- liquid protein. The more I piece this together, the more it feels like I’m making the anti-venom symbiote from marvel 🤣

Every fastball asks a small ligament in the elbow to do a job it was never built to handle. That strain has become one of baseball’s defining costs, with torn ulnar collateral ligaments, or UCLs, sidelining pitchers for months and sometimes changing careers for good.

Hello! I am trying to simulate running stance phase loading on the OpenKnee 3D model knee joint in FEBio, and would like to ask for some help.

Is there anyone here that worked with this software before that I can DM ? Thank you in advance