This allows us to choose strength training exercises that train these vectors specifically. I see this in lifters who try to stay super upright in the squat while letting their knees jut out way past their toes because they’re afraid to sit back since their posterior chains are weak. What do these fiber directions tell you?• The force vectors for the big three lifts are: squat – axial, bench press – anteroposterior, deadlift – axial.To improve core stability, the spine, pelvis, and hips need to be hit from multiple vectors, since different muscles are used to stabilize the body depending on the direction of force. stream In a leg press the hips don’t move through a considerable range of motion and stay considerably flexed throughout the movement.

Russian research from many years ago found a strong correlation between the bench press and the shot put. graph v of trolley graph trolley with t. with 2. Your point makes perfect sense. In other words, it describes how the vertical and horizontal forces are being applied to the ground during sprinting. If we put a bar on the hips and do a supine barbell hip thrust, or if we pull a sled with a fairly upright stance, then the direction of the load is anteroposterior. Anyway, your point is still well-taken as it is certainly a lift that can be used by individuals who are suffering from certain types of knee and back pain.Thanks Bret. One of these actions has you moving upward, one has you moving forward, and one has you moving backward. Desk jockey that I am, am I being dumb in focusing right now on getting my DL numbers up? Thoughts?Squats are primarily quads no? You have a desk job. I believe that all ranges of hip extension (and hip flexion for that matter) are important in a sprint cycle. This might also help decrease the likelihood of resorting to lumbar rotation. It’s really not needed to have a 45 deg vector as it is logically a summation of the two anyhow.2. [2] states that the since the hip thrust is performed in the anteroposterior force-vector (front to back), then it may have better transference to sports dependent upon horizontal force production (e.g. More ROM = better movement. Deadlifts too, unless you RDL it.I think one of the benefits of the hip thrust (and really the RDL too) is that it allows the glute to be attacked while taking the quad out of the equation. Many times I “overcomplicate” things and end up dismissing them later on, but out of this “overthinking” process often comes brilliant concepts that stick.There seems to be a lot of emphasis on activation, assessments, screens, etc… nowadays. My knees aren’t huge fans of me when I squat, so I typically trap bar DL instead — should getting my trap bar DL 1RM be my #1 focus now instead?I should mention that my hamstrings have always been tight, no matter how much I stretch them, and they seem to always get incredibly sore from doing anything that doesn’t involve me staring at a screen.James, like I told you before, bodybuilding-types, chiropractors, and even most MD’s think they know a lot about strength training when they don’t know shit. As for assistance exercises, good mornings, back extensions, hip thrusts, reverse hypers, weighted planks, ab wheel rollouts, side bends, hanging leg raises, board presses, floor presses, chest supported rows, and one arm rows top the charts! • Which implement would be best for training rotary power; a landmine unit, bands, dumbbells, cables, a barbell, a kettlebell, a trx, etc.? And I know little on this subject. Since the lifter is standing on one leg with the load in the opposite hand, there will be a combination of torsional and lateromedial loads on the spine and hips.Force Vector Training (FVT) is not a specific type of routine that you can follow. For example;Generally, the ratio of force values ranges from 50-65% in most locomotive athletes. I believe that all athletes need to hit all the vectors for balance but sometimes the proportions will be skewed. Well, the same guy is back with an opinion I thought was pretty weird.“What the hell do you want strong hamstrings for?

So just make sure you strengthen the hammies through their hip extension role and not just through their knee flexion role and you will not lose flexibility!Third, exercises that strengthen the hammies through hip extension strengthen the entire posterior chain. In planar terminology, jumping, running, and backpedaling are all sagittal plane movements, even though they are completely different. Finally, I lump all horizontal hip dominant lifts into the anteroposterior category, as the intent is to either push the hips forward or to pull the thigh rearward via hip extension/hip hyperextension.You might be wondering why there’s an axial/anteroposterior blend. I will add to the blog and clarify this point. • What is the difference between a good morning, 45 degree hyper, and back extension? Exercice 4 Représenter une force de direction oblique faisant un angle de 4So avec l'horizontal, diriger vers le bas et à droite d'intensité 100 N. Echelle : 1 cm pour SON.

Planar terminology. Exercice 5 Une force : d'intensité 50 N est représenté par un vecteur de longueur 2cm. We can have both, but it allows us to be more descriptive.4. Axial lifting in the form of squatting and the Olympic lifts have formed the backbone of strength training over the past several decades for good reason – they’re highly effective in developing total body strength. Are you looking for something to categorize exercises? It is interesting to note that it is not the total force produced that dictates sprint performance, but rather the direction force is applied. However, it only looks at it as a percentage, with no regards to the total force value.Therefore, the ratio of force can be calculated as the net horizontal force divided by the net vertical force. This might be due to the fact that they have good hip flexion mobility and hip extension strength in flexed positions, but perhaps they have weak end range hip extension strength or poor motor control in the glueus maximus at this range of motion. Likewise, greater improvements in the vertical-orientated movements (vertical jump) were observed when the training exercises were focussed on vertical force-vectors [3, 4].Similarly, Contreras et al. Planar terminology is too general, which is why we need force vector terminology. Thoughts?I will have to think about this.