The rectus femoris is one of the four quadriceps muscles -- the quadriceps are the major muscle group of the front of the upper leg. The rectus femoris attaches to the anterior inferior -- the part toward the feet -- portion of the iliac crest and runs to the base of the patella, also known as the knee. The femoral nerve supplies the rectus femoris with nerves. This is the only muscle that crosses the hip joint, which enables it to work as a hip flexor and a knee extender muscle.
Stretching is not only for athletes and yogis. Anyone who wants to improve their flexibility and range of motion should consider performing a few stretches every day. People with sedentary lifestyles, in particular, should stretch daily to help improve their mobility. Sedentary individuals are generally more prone to injuries because their tight muscles aren’t acclimated to sudden or jerky movements.
The psoas, our primary hip flexor, is usually the weakest of the five flexors, and the other four hip flexors have to work more as a result. To test if this is the case for you, lift one knee well above 90 degrees and hold it there, ensuring that you do not compensate by moving your pelvis or leaning forward. If holding this for more than a few seconds is painful or impossible for you, your psoas suck. You are going to have serious trouble squatting to parallel or lower if these muscles can't do their job properly.
The iliotibial band is a thickening of the fascia lata, the deep fascia of the thigh. Think of it as a thick long ligament like structure that connects the hip to the lower leg along the outside of the thigh. Tightness in the iliotibial band can cause patellofemoral pain, trochanteric bursitis, and friction syndromes at the knee. This is a hip stretch I commonly prescribe to runners and people suffering from knee pain.
Following the core strengthening, working on glute activation through various hip extension movements is the big finale. For one, the glutes main function of hip extension is an agonist to the hip flexors, and are also directly involved in low back stability, which means they help to pick up the slack for the core during movements, and helps reduce the impulse on the psoas, therefore reducing the “tightness.”
Iliopsoas muscle and tendon strains may occur with activities that require repetitive hip flexion, such as hurdling, uphill running and playing soccer. Deep hip pain is the primary symptom. Hip flexor stretching and strengthening exercises reduce the likelihood of iliopsoas strains. Weighted or unweighted leg raises from a standing, sitting or lying position strengthen the iliopsoas and other hip flexors.
I like to think of myself as a powerful, modern Highland warrior, or maybe a Viking. Had I been born 1,100 years ago I would have leapt first off the longboat to battle hundreds of enemies with a giant axe, or so the fantasy goes. But, it didn't take strength coach Matt Wattles long to put a pin in that balloon. All he had to do was ask me to raise my toes all the way up to his hands, and in an instant, I felt like a senior citizen with a hip replacement. That movement was hard.
Now that we smoothed out that old tissue and dislodged a few fossilized nasties, let's see what we can do about improving extensibility. The couch stretch is one of the most effective movements you can do for opening up your hip to the end range of motion. Adopt a kneeling position in front of something that you can use to hold your foot up (i.e., a couch). Your back knee should be completely flexed, meaning your heel is as close as possible to your butt.
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It's easy to compensate in this position by hyperextending your lower back, but it's crucial that you don't. Instead, I want you to focus on squeezing your glutes and hamstrings, which will push your hips forward into a full-on "schwing." If your right foot is back, you should feel an intense stretch on the right front side of your hip. Hold it for a long time, like a minute or two, and then switch sides.
To work these tissues, start by locating your iliac crest. Sounds like a rare bird species, but it's the top bony part of your hip that sticks out by your beltline. If you're using a lacrosse ball, simply move into a plank position on the ground and lay on the ball so that it presses into your hip just below the crest. Move side-to-side slowly, so the ball moves back and forth laterally several inches at a time.
To complete this stretch, get into the same kneeling position from the half kneeling hip flexor stretch. Whichever leg you have raised, place that hand on your hip. (So, if you’re doing this exercise with your right leg, place your right hand on your right hip, and vice versa.) Next, tighten your glute muscles, and reach around your body with your free hand to grab that foot. Pull that foot upwards towards your upper body
Because you won’t stop stretching them. Many people who have consistent hip flexor tightness would be a lot better off if they just stopped stretching them. This often provides only a temporary relief, giving just a small window of comfort. And guess what? The more you stretch them, the shorter that window of relief becomes, until you’re at the point where you’re stretching them multiple times a day for a long duration just to feel good! That’s no way to live!
Now doing the same thing over and over again and somehow getting a different response may seem like a good idea to some, whereas others may think they just need to “spend more time” with their hip flexor stretches to force that tight and unforgiving muscle to finally loosen up. But the simple fact of the matter is that if it’s not working, it’s probably not the right solution.
A post-run stretch, followed by soft-tissue work with a foam roller, will help further loosen the hip flexors. This is especially important if you exercise before work, says Fitzgerald, because scar tissue and muscle adhesions form quickest when exercised muscles are suddenly held in a compressed position (i.e., your office chair). Walking breaks throughout the day will also help prevent these adhesions.
A sedentary lifestyle can lead to having weak and tight hip flexors as they are always in the shortened position. Tight hip flexors can lead to a limited range of motion, poor posture, lower back, and hip pain, and even injuries. These muscles need to get a workout when you are standing and doing movements such as raising your leg to climb stairs, run, or ride a bicycle.
The hip flexors help balance the posterior pelvic muscles. Three key muscles often become tight and shortened as a result of activities of daily living. These are the iliacus, psoas major, and the rectus femoris. The iliacus and the psoas major are often referred to as the iliopsoas because they share the same insertion at the lesser trochanter of the femur. The psoas minor inserts on the superior ramus of the pubis bone and mainly supports the natural lordotic curvature of the spine, but is only found in about 40% of the population. The psoas major originates on the anterior surface of the lumbar vertebrae and runs over the pubis bone and inserts into the lesser trochanter of the femur. This muscle not only helps to flex the hip, but also has an effect on the lordotic curvature of the lumbar vertebrae. The rectus femoris has a proximal attachment at the acetabulum and inserts into the tibial tuberosity. This long muscle plays a role in both hip flexion and leg extension (Figure 9-4).
I think you should mention that for some people, stretching is not the solution and that it will deteriorate their posture. Some people need stretching, but most people I know need to strengthen their "overstretched" hip flexors. Many people can't do a single hanging leg raise. Check this site if you want to know more about the importance of hip flexors bit.ly/Unlock_Your_Hip_Flexor Report
Muscle Imbalances – The front of your hips, your hip flexors, are the muscles that will tighten and shorten while you are sitting for hours each day. While you are sitting, the back of your hips, your glutes and your hip extensors, are being overstretched. But just because they are being tightened and stretched respectively, doesn’t benefit either of them. They are also being weakened because of the lack of use of each muscle group.