Sentences with phrase «rectus abdominis»

The crunch with a heel push looks like a traditional crunch, but in this version, you push your heels into the floor, which engages the rectus abdominis muscles more than regular crunches.

The American College of Sports Medicine used electromyography (EMG) to determine which abdominal exercises most effectively activated the rectus abdominis and obliques.

The three muscles of the lateral abdominal wall — the internal oblique, the external oblique, and the transverse abdominis — have fibrous connections that create the rectus sheath, which crosses over and under the rectus abdominis.

If you really want to get your strongest, firmest abs you want to choose exercises that target all the muscles of the core, including the rectus abdominis (or the «six pack»), obliques, transverse abdominis, and the lower back.

Comparing the effects of a weightlifting belt, Escamilla et al. (2002) found differences in both rectus abdominis and external obliques muscle activity between using a belt and when not using a belt, during both sumo and conventional deadlift styles.

The outer layer is our rectus abdominis (think six - pack muscle), which runs vertically from our ribcage to our pelvis.

Using a weightlifting belt in the deadlift may lead to more rectus abdominis muscle activity and less external obliques muscle activity.

When this muscle is exercised and layers of fat disappear from the abdomen, the exposed rectus abdominis muscle creates the look of a «six pack.»

As the uterus expands, two parallel sheets of muscles (the rectus abdominis muscles or Six pack muscles), which run from the rib cage to the pubic bone, may separate along the center seam.

Abdominal doming is when your rectus abdominis muscle (think 6 pack that runs up the middle) becomes dominant over your other ab muscles.

It is a literal separation of the rectus abdominis (otherwise known as the six - pack muscle) that commonly occurs after pregnancy.

Muscles need to be stimulated in the rectus abdominis which is the long, flat muscle that makes up the full length of the front of the abdomen.

This exercise uses the heels to push onto the floor to work out the rectus abdominis more than traditional crunches.

However, only the plank with arm reach and side plank with arm reach can outperform traditional curl ups for rectus abdominis and external oblique muscle activity.

Comparing Swiss ball exercises, Marshall et al. (2010) assessed rectus abdominis muscle activity during the plank with arms on the Swiss ball, single - leg hip hyperextension from the push up position with legs on the Swiss ball, single - leg squat against a wall on a Swiss ball, Swiss ball roll outs, and Swiss ball full body rolls from a supine bent leg start position with the upper back on the ball, and rotating 90 degrees until the shoulder and upper arm rests on the ball.

Increasing external moment arm lengths during isometric core exercise, either by using extended legs during hanging leg raises, or by performing long lever planks, leads to greater rectus abdominis and external oblique muscle activity.

Comparing Swiss ball exercises and isolated core exercises, Escamilla et al. (2010) measured upper and lower rectus abdominis muscle activity levels.

Using internal cues to focus on the muscle does not improve rectus abdominis muscle activity but leads to preferentially more external oblique muscle activity.

The rectus abdominis and external oblique display moderate levels of muscle activity during squat and deadlift variations, but there is no difference in muscle activity of the abdominals between the squat and deadlift.

Assessing dynamic stabilisation exercises, Souza et al. (2001) measured rectus abdominis muscle activity and external oblique muscle activity during the supine dead - bug and two point kneeling bird - dog exercise.

They report that upper and lower rectus abdominis muscle activity ranged between 39 — 76 % and 38 — 81 % of MVIC.

Overall, PCSA of the rectus abdominis seems to range between 2.6 — 10.5 cm2.

Posterior pelvic tilt produced higher rectus abdominis muscle activity than abdominal hollowing in all positions.

Assessing the effect of external load, Vinstrup et al. (2015) measured muscle activity of the rectus abdominis and external oblique during a seated machine torso twist and a standing torso twist with an elastic band held out in front of the body and attached at 3 or 9 o'clock to the subject.

There was no difference in rectus abdominis muscle activity between conditions.

Assessing exercise technique in the deadlift, Escamilla et al. (2002) examined rectus abdominis and external oblique muscle activity.

Duncan et al. (2009) measured rectus abdominis muscle activity during the bent leg curl on stable (on the floor) and unstable (on a Swiss ball) surfaces.

Sullivan et al. (2015) also studied the effect of internal cues by having subjects focus on slowly and actively shortening and contracting the rectus abdominis and external oblique during a bent leg sit up.

The connection between the proximal adductor longus and the rectus abdominis has been identified as particularly relevant for groin strains.

Several studies have investigated the effect of relative load on rectus abdominis muscle activity.

Nonetheless, it appears that isometric core exercises such as the plank, as well as dynamic abdominal exercises such as the straight - leg sit up, produce greater rectus abdominis muscle activity than many upper body and lower body compound exercises.

Overall, using an unstable surface may increase rectus abdominis muscle activity.

This was demonstrated very clearly by Lehman & McGill (1999), who compared the magnitude of EMG amplitude between the upper and lower rectus abdominis during a trunk curl exercise and expressed the resulting EMG amplitude in both absolute and normalized terms.

They reported that the external oblique displayed greater muscle activity when performing the deadlift without a belt in both the conventional or sumo deadlift, which is the opposite of the rectus abdominis.

Comparing compound exercises and trunk flexion exercises, Aspe et al. (2014) explored rectus abdominis muscle activity in a number of exercises including the front and overhead squat performed with 90 % of 3RM, as well as the swiss ball jack knife and straight - leg sit up.

They found no difference in rectus abdominis muscle activity between the curl up variations.

Brown et al. (2011) reported muscle weights of the rectus abdominis, external oblique, internal oblique, and transverse abdominis of 81g, 105g, 75g, and 51g, respectively.

The Swiss ball roll out and jack knife seems to be one of the best Swiss ball exercises for the rectus abdominis.

The rectus abdominis is the muscle group we're probably the most familiar with because it's also known as the «six - pack» muscles.

Konrad et al. (2001) reported that the reverse crunch displayed higher rectus abdominis muscle activity compared to the curl up, sit up, and decline curl up.

Additionally, Hildenbrand et al. (2004) reported that rectus abdominis muscle activity was higher in the bent - leg, unsupported curl up, Swiss ball curl up, and the Ab - Roller curl up device compared to Ab Slide roll out.

The rectus abdominis originates from the crest of the pubis, which extends along the length of the abdomen.

Very few studies have assessed the physiological cross-sectional area (PCSA) of the rectus abdominis.

Overall, performing the bench press under unstable conditions appears to produce superior rectus abdominis muscle activity.

The rectus abdominis is the primary flexor of the spine given its large attachment sites at the pelvis and ribcage, and fascicle orientation (Lehman et al. 2001; Delp et al. 2001).

McGill et al. (2014) measured rectus abdominis muscle activity during the hanging leg raise with and without extended legs.

There was a trend towards higher rectus abdominis muscle activity in the long lever plank with posterior pelvic tilt compared to the long lever plank without posterior pelvic tilt (109 % vs. 90 % of MVIC).

The researchers reported that rectus abdominis muscle activity did not differ between low or high relative loads.

Goodman et al. (2008) compared the bench press performed on a stable bench and a Swiss ball, with 1RM but found no difference in rectus abdominis muscle activity between conditions.

The rectus abdominis is the primary spinal flexor owing to its attachments that extend across the middle of the abdomen, while the external oblique is the primary spinal rotator and lateral flexor.