Sentences with phrase «knee flexors»

Therefore, athletes sprint faster by producing more force (concentrically) by the hip extensors (gluteus maximus, adductor magnus, and hamstrings) and hip flexors, and then absorbing it (eccentrically) by the knee flexors (hamstrings) and extensors (quadriceps).
This moment arm increases with increasing knee flexion, making the hamstrings better knee flexors when the knee is bent than when it is extended.
Since the hamstrings act as both hip extensors and knee flexors, they have muscle moment arms at both joints.
Therefore it is more effective as a knee flexor when the foot is dorsi - flexed and more effective as a plantar flexor if the knee is locked in extension.
The information given above implies that your hamstring workouts should involve exercises for both the hip extension function and the knee flexor function.
The gastrocnemius also acts as a weak knee flexor, and is capable of producing its greatest plantar - flexion moment with the knee extended.
The origins of the gastrocnemius (medial and lateral heads) are such that the two heads cross both the knee and ankle joint and consequently function as both an ankle extensor (plantar - flexion) and as an accessory knee flexor and stabiliser.
The morning workout focuses on the knee flexor function of the hamstrings.
They also have a large knee flexion moment arm, making them a key knee flexor.
Mann (1980) observed in a group of elite sprinters that the best athletes displayed the greatest hip extensor (and knee flexor) net joint moments.
Specific strength requirement: knee flexor (and possibly also knee extensor) eccentric strength; hip flexor and hip extensor concentric strength.
Specific strength requirement: hip extensor and knee flexor (hamstrings) and hip flexor (psoas major and rectus femoris) strength.
This is because of differences in external moment arm lengths, which can be either knee flexor or knee extensor between different individuals and when using different barbell types.

Not exact matches

The hip flexors are one of the most important muscle groups needed to sprint because they help drive the knee.
David Wagner will be without the services of Martin Cranie (hip flexor), Steve Mounié (heel), Jon Gorenc Stanković (knee) and Kasey Palmer (hamstring) through injury.
The reviewers found few studies evaluating the effectiveness in the ACL rehabilitation process of so - called «open chain» exercises (those which tend to isolate a single muscle group and a single joint, such as leg curls and leg extensions, with or without added weight) versus «closed chain» exercises (those which work multiple joints and multiple muscle groups at once, such as, for example, a squat involves the knee, hip and ankle joints, and multiple muscles groups, e.g. quads, hamstrings, hip flexors, calves and glutes, with body weight alone or with added weight).
Staying in the position we practised last week and while keeping the knee on the floor, lift the lower leg up to increase the stretch in the hip flexor / quad.
Sitting for too long causes your low back muscles and hip flexors (the muscles that allow you to lift your knees and bend at your waist) to become...
Hanging knee and leg raises are great core - strengthening exercises that target the lower region of the rectus abdominis, hip flexors and lower back.
Keep squeezing the block strongly between your knees, and draw the knees in toward the torso using your hip flexors (the psoas major and iliacus).
The Lying Hip Extension is an excellent resistance band exercise for increasing the range of motion in the hip flexors, which will reduce knee pain.
The calves and the bottoms of the feet are going to send the knee forward and pass it off to the hip flexors, which are going to finish the job of the flexion of the hip and the bending of the knee.
When you sit, your hip flexors, the muscles that lift your knees and help you bend at the waist, become contracted and shortened.
Good article, I've been suffering with knee pain for a couple months due to the hip flexor, patellofemoral pain, I keep stretching it out and it gets better, then i spend a bunch of time at work having to travel (drive) a bunch for a few days or a couple weeks and everything tightens back up and I'm at square one.
When you stand up from a squat, you'll use your hip flexors and abs to lift your knee toward your chest.
The quads and hip flexors help to pull the hip forwards, and straight leg raises are a great quad and hip flexor exercise that are sometimes used by physical therapists to strengthen the knee and hip.
They're called hip flexors because they create flexion in the hip, which is the technical term for a bending movement around a joint in a limb (such as the knee or elbow) that decreases the angle between the bones of the limb at the joint.
Being scrunched up in an airplane seat with your shoulders curled forward, hip flexors flexed, and your knees bent in a seated position can be very unhealthy.
The tendency in this pose is to lean the pelvis forward and stretch the hip flexors, but in this variation you want to keep your hips over your back knee (move your front foot back if you need to).
Hanging Knee Raises will provide a much needed stretch, and also activate the hip flexors on the front of the hip.
Hold the position here, or if you're comfortable, extend one leg at a time for a greater stretch through your quads and hip flexors, being sure to keep your inner thighs and feet engaged to prevent your hips and knees from externally rotating.
The takeaway is that if the hip abductors — the muscles that move the lower leg sideways away from the body, and the hip flexors — the muscles that move the lower leg in toward the body — are weak, the knee doesn't track as well as it should.
Among the lower body muscles, the plantar flexors display the highest proportion of type I muscle fibers, and the knee extensors display the lowest proportion of type I muscle fibers, as shown in the chart below, which presents the mean of the data from all currently available studies.
Exploring the effects of cues, Hirata and Duarte (2007) found that peak ankle flexor moments were smaller when the knee was cued not to pass forward of the toes compared to a conventional technique.
Ankle plantar - flexor moments increase with increasing relative load, stance width and squat depth but reduce with cues to prevent forward movement of the knees over the toes.
While your rectus abdominus is stabilizing your core during the exercise, it's your hip flexors that are doing the work of bringing up your knees.
They're called hip flexors because they create flexion in the hip, which is the technical term for a bending movement around a joint in a limb that decreases the angle between the bones of the limb at the joint (such as the knee or elbow).
What's more tight hip flexors impact the whole posterior chain and boost the odds of developing injuries to the knees and ankles as well.
Strong, firm buttocks are attention worthy not just for aesthetic reasons but for balancing out the hip flexors, a group of four muscles that move the thighs toward the abdomen and flex the knees.
Do standing calf raises with a slightly bent knee that changes the stress to the soleus muscle and flexors, taking it distant from the gastric.
This will keep the lead knee at 90 degrees with a deep stretch in the hip flexor region.
kneeling hip flexor stretch: Lunge forward with knee on ground (preferred on mat).
The ankle plantar - flexors and hamstrings may also play a role in increasing knee stability (Besier et al. 2003 Houck, 2003) through co-contraction (Sigward & Powers, 2006), especially since activation of the medial and lateral muscle groups seem to be dependent on the direction of the COD maneuver.
And when you're doing cardio, keeping your stomach tight during knee - highs will strengthen your core while you're burning fat and strengthening your hip flexors.
The researchers also tested the eccentric muscle endurance of the knee and hip flexors and extensors of all their subjects, then looked for correlations with the running economy results.
You may need to avoid the bulgarian split squat if you have highly inflexible hip flexors or knee issues.
This suggests that the ability of the hip flexors and extensors to produce force, and the ability of the knee extensors and flexors to absorb it, during the swing phase is the key to faster running.
Net energy absorbed by the knee (extensors in initial swing, and flexors in terminal swing) was also very strongly associated with running speed, and similarly increased substantially with increasing speed.
I've actually been having to go to physical therapy at least twice a week to have them work on my leg — my hamstring has been bringing up soreness and pain in my hip flexors, my knee and my shin so I think I've decided I'm not cut out for distance running (to say the least) but here's hoping I can check this whole half marathon thing off my «Before I'm 30» Bucket List!
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