Sentences with word «flexion»

Thus, changes in the internal moment arm lengths of the gluteus maximus and hamstrings do not appear to explain the greater hip extension moment in greater degrees of hip flexion angle.

Assessing the effect of foot placement, Escamilla et al. (2001) compared the horizontal leg press performed with a high foot placement (90 — 100 degrees of knee flexion in bottom position) and a low foot placement (20 cm lower).

This results in increased degrees of knee flexion in order to clear the ground.

The inferior fibers displayed a peak moment arm length of 38.1 mm at a shoulder flexion angle of 71 degrees, while the minimum moment arm length was -3.3 mm at 10 degrees.

Computer - based estimation of the hip joint reaction force and hip flexion angle in three different sitting configurations.

These studies have reported on programs of single - joint knee extension exercise (Smith & Melton, 1981; Kovaleski et al. 1995; Wojtys et al. 1996; Golik - Peric et al. 2011), on programs of single - joint elbow flexion exercise (O'Hagan et al. 1995; Staniszewski et al. 2016).

A balanced workout would include a modest number of spinal flexion exercises and, then, only if you have a healthy back, as well as few rotation exercises to target the obliques.

Therefore, it appears that during dynamic plantarflexion with an extended knee position preferentially targets the gastrocnemius, while performing plantar flexion with a flexed knee preferentially targets the soleus muscle.

The most prominent actions of the internal oblique are spinal lateral flexion and spinal rotation.

Testing on the 1 R.M. continuum on knee flexion exercises (a.k.a. leg curls) show that to stay within 70 % of the maximum, you can not do more than 8 reps.. So in my opinion, leg curls done above eight reps are a complete waste of time.

They found increased rectus abdominis muscle activity when performing trunk flexion exercises with added elastic resistance from a portable device (Perfect Abs).

As you can guess, the flexors are used for flexion at the wrist and fingers and extensors for extension.

Place your spine into a slight extension to elongate your belly muscles, inhale, and then start rolling the roller toward you while rounding your spine into flexion in the shape of a nautilus shell.

Therefore, the middle deltoid may assist in stabilisation during shoulder flexion at greater joint range of motion.

Spine - sparing techniques: hip hinge, rise from the floor, core strength, avoid rotation of rapid or repetitive forward flexion with load

Injuries of the discs or cervical spine muscles are most likely to occur during flexion, but you can score some serious neck pain from forcing your neck into extension or tilting it back during certain exercises, such as the preacher curls.

In general, it seems that compound exercises that include shoulder horizontal flexion feature as the best exercises for creating overall pectoralis major activity.

The greater anterior pelvic tilt and peak hip flexion on the injured side may lead to a greater maximum length of this hamstring muscle during running, which may predispose them to greater risk of recurrent hamstring strain injury.

These 4 ligaments are strongest at full extension (when your legs are fully straight and extended) and at full flexion which is what happens when you squat below parallel.

While the bench press produces superior muscle activity compared to the shoulder press despite similar elbow flexion ranges of motion, it appears the load lifted is also greater, thus indicating that greater loads produce superior triceps muscle activity during compound exercises with similar elbow joint range of motion.

If there is no improvement after a day, a visit to your Veterinarian may be required for flexion tests and an overall check.

Both groups are activated in most hip extension and knee flexion movements exercises, but the balance between them during each exercise is not the same.

You may be completing kettlebell swings with excessive lumbar flexion and not feel it in your back as you do so.

We can all benefit from stretching out our hip flexors, whether it's to open up tight areas from sitting too much, or to help counterbalance prolonged or strenuous hip flexion from a more active lifestyle.

High Bar requires — greater ankle flexion, shorter relative femur length, longer torso length, wider stance and more quadriceps dominance.

Image on the right illustrates pelvic tilt and lateral spine flexion with the dysfunctional gluteus medius.)

Another small roll can be placed under his knees to create flexion at his hips and knees.

A major way to reduce loaded flexion extension through the lumbar spine is to minimise the mobilty demands placed on the lumbar region by its neighbours in the kinetic chain: the hip and thoracic spine.

The problem is these exercises cause repeated flexion of the spine.

You perform plantar flexion when standing on your tippy - toes, pressing (or flooring) the gas pedal of a car, walking, and of course, when performing calf exercises.

Just like any other muscle in the body, the pelvic floor must be able to move through flexion (pulling up and in or «Kegeling») and extension (opening and elongating).

Lateral neck flexion stretch targets the upper trapezius muscle.

Van Norman, however, points out that some exhibit spinal automatism, a complex spectrum of movements including flexion of limbs and trunk, stepping motions, grasping motions, and head turning.

Keuchle et al. (1997) showed that the pectoralis major moment arm peaked at 45 degrees of shoulder horizontal flexion while the smallest moment arm was found at 140 degrees (reaching across the body).

The leg curls, you guessed it, utilize the knee flexion function of the hamstrings.

Editor's note: Steve Holman is the author of many bodybuilding best - sellers and the creator of Positions - of - Flexion muscle training.

It's very important to make sure that the amount of weight and the positioning of the heel allows you to move through a complete range of flexion which is needed for optimal results.

The elbow joint consists of three bones (humerus = upper arm bone, radius and ulna = forearm bones) that fit together perfectly to allow flexion and extension motion in the front leg.

Knee flexion force production seems to be greater in prone than in supine (Barr & Duncan, 1988; Worrell et al. 1990), while standing may lead to greater force than prone (Kramer et al. 1996).

The term «hollow body» refers to full body flexion, essentially turning your entire body from finger tip to toes into the shape of a banana.

Chiropractor, Dr. Ken Brassington, explains the two most common causes for disc herniations and how the chiropractic team at Physio Logic uses Flexion Distraction Decompression to treat this kind of injury.

Performed in a similar way as the Lateral Side flexion of the neck, just that in this case you help yourself by putting the hand on the top of your head and gently pulling.

Create deep flexion in your hips while you release the back of your legs.

In a 2011 research study with McGill, it was concluded that «Herniation (posterior and posterior - lateral regions of the annulus) occurred with relatively modest joint compression, but with highly repetitive flexion / extension moments.

And although more recent studies do suggest that eccentric knee flexion strength in a Nordic curl exercise might yet be a good predictor of hamstring strain injury (Opar et al. 2015; Timmins et al. 2015a), not all studies have reported exactly the same result (Bourne et al. 2015).