Ok, I have to agree. This guy does make the BEST videos on youtube. No B.S., no stupit music. No stupit commercial interuptions. Just straight to the point. And yes, I would say he has the best video voice on RU-vid. People could learn a lot from this guy on how to make a video.
I really appreciate the clarity of your combined media (real life images, voice over, moving images, summarization), especially as a current M1 who must essentially locate the most efficacious resources. I am able to look this up on my own, but was wondering why you did not include the blood supply, as you did for the superficial and intermediate back muscles? A quick fix, I know I'm being picky.
Thanks Max. Often the videos i make are based upon the curriculum our SOM has for the med students and unfortunately they do not stress vascular supply of muscle groups in the MSK course i teach. I should have included them.
Hi, at 5:22, isn't the origin of the glute medius from the llium and inserts onto the greater trochanter of the femur? think you may have accidentally reversed it.
Hi Marcus, you are correct when the action is hip abduction. However, when the action is to stabilize the pelvis then the origins and insertions switch (as illustrated at 5:22). Does that help?
1:23 Only when the hip is in a flexed position? What if the hip is in a neutral position (straight leg as in vertical, like standing), and the hip is extended (thigh going further back)? Wouldn’t the gluteus maximus also doing the work?
Hi, Great video! I noticed that @2:26, you state that the insertion of the Glut Med/Min is at the Greater Trochanter. However, later in the video ~5:20, you state that it inserts at the illium. This is an interesting point, because it seems like these muscles can move along both the insertion AND origin, depending on which structure is fixed. Is that right? To clarify and use an example, The gluteus medius originates at the illium, and inserts at the greater trochantor. In an anatomical position, upon hip abduction, the Glut. Med. will cause abduction of the femur by pulling at its insertion at the greater trochantor. However, if one leg is raised, the oppisite happens. At the femur, you have a fixed position (else you would fall, without anything to support your weight). Thus, the muscle pulls at the origin (illium, hip) since IT is now free to move. This allows the pelvis to remain stable. Am i understanding this right? If so, is this common in musculoskeletal systems? Thanks for any feedback, and once again, great videos!
i agree with @Juan Romero, there is an error in you video where you state that the gluteus minimus and medius insert on the ilium when it should be the greater trochanter.
When the gluteus medius, minimus and TFL cause hip abduction the origin is ilium and insertion is GT. When the action of these muscles is to stablize the hip joint (i.e lifting the opposite leg off the ground) then the O and I switch.
@@MrReeseRideout I am sorry i missed this comment ... skeletal muscles simply shorten when stimulated to contract. if a muscle was attached to 2 different bones and the muscle contracts both bones move towards each other. however, if one bone is stabilized to not move (by other muscles, bones and joints) and the muscle is stimulated to contract only one bone moves. We call the stationary bone the origin and moving bone the insertion. The way O and I switch is if the surrounding muscles and bones change the way they stabilize the bones where the muscle attaches. In this case, when the pelvis is stationary and the femur is mobile the gluteus medius abducts the thigh. However, when the femur is stabilized to the floor and the opposite limb becomes free (leg lifted off the ground) the gluteus medius shortens but this time the pelvis is acted on instead of the femur. Does this help?
An injury of the inferior gluteal nerve may result in difficulty climbing stairs (flexing hip from an extended position) and rising from a sitting position.
"Tensor fasciae latae" is the proper name.... Since it's a tensor _of_ the fascia lata, the latter requires the genitive singular case endings which in this case would be the "-ae" form. :)
Having wondered about the G minimus.. now it is clear The G minimus is to the G medius by aBduction of the leg what the supraspinatus is to the deltoid by the aBduction of the arm: providing the first 15 degrees of the movement's angle, making it easier for its agonist G medium / deltoid to take over.
Thank you so much for this!!! Best videos! 2024 and currently in school for massage therapy and in my kinesiology class and this is a life saver!! Understanding so much deeper! ❤
Hello Chasia, skeletal muscles simply shorten when stimulated to contract. if a muscle was attached to 2 different bones and the muscle contracts both bones move towards each other. however, if one bone is stabilized to not move (by other muscles, bones and joints) and the muscle is stimulated to contract only one bone moves. We call the stationary bone the Origin (O) and moving bone the Insertion (I). The way O and I switch is if the surrounding muscles and bones change the way they stabilize the bones where the muscle attaches. In this case, when the pelvis is stationary and the femur is mobile the gluteus medius abducts the thigh. However, when the femur is stabilized to the floor and the opposite limb becomes free (leg lifted off the ground) the gluteus medius shortens but this time the pelvis is acted on instead of the femur. Does this help?
You forgot to say that the gluteus medium has different action 1- when the hip is flexed the anterior fibers of the muscles contribute to the flex the femurs and intrarotation 2- when the hip is extension the posterior fibers of the muscles contribute to the extra rotation of the femur.
Hi Akot, Gluteal muscles include the 3 (Max, Med and Min) as well as the TFL. The deeper muscles (piriformis, obt in/ext, sup/inf gemelli are external hip rotators. Does that help?
Hi if i got snapping hip (gluteal maximus snap over greater throchanter finding on ultrasound) labrum tear and buttock pain easpecially when walking and sitting is it my gluteal problems or refer pain fr back. MRI l2/l3, l3/l4, l5/s1 dessicated, buldging discs, annular tear indenting thecal sac. Makes my lower back right side spasm, and buttock spasm and tight It band leg also feels weak... what you think is the problem
@ 5:04 insertion and origin of gluteus medius may have been interchanged. Gluteus medius originates between the posterior gluteal line and iliac crest and inserts into the lateral surface of the greater trochanter.
+malik alseyd You are most welcome Malik. Here is a link to my "Anterior thoracic wall muscles" (ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-fWtR9yq1_vM.html), and Scapular muscles (ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-XhuQOZzjh-A.html). I am still working on my neck muscles video.
Thank you Noted Anatomist, for your videos. I’m not good in English but I hope you can understand this. I’ve been suffering in med school but your videos can help me get through this. I can see your intention to make it easy to understand and it’s work. Keep doing the good work. Thank you again, I really appreciate your work :)
Most informative video I have found to help me understand my gym/exercise related injury. As a retired Radiographer, I know a good amount about anatomy/physiology but definitely not enough... as I try to understand my injury. I need to see an orthopedist but I felt the need to understand more before I do. Well done.
Sir, you first said that the insertion of gluteus medius is at the greater trochanter and then during the time when you explained why the hip does not go low when leg is elevated is that the origin of g.medius is now at greater trochanter. It matters because as far as I know, the part of the muscle that gets to move is where it has its insertion. Pls clarify.thank you.
Hello Hero, skeletal muscles simply shorten when stimulated to contract. if a muscle was attached to 2 different bones and the muscle contracts both bones move towards each other. however, if one bone is stabilized to not move (by other muscles, bones and joints) and the muscle is stimulated to contract only one bone moves. We call the stationary bone the origin and moving bone the insertion. The way O and I switch is if the surrounding muscles and bones change the way they stabilize the bones where the muscle attaches. In this case, when the pelvis is stationary and the femur is mobile the gluteus medius abducts the thigh. However, when the femur is stabilized to the floor and the opposite limb becomes free (leg lifted off the ground) the gluteus medius shortens but this time the pelvis is acted on instead of the femur. Does this help?
