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Rectus Abdominis Muscle

2025-11-26T00:24:32Z

Maria07191381:

The rectus abdominis muscle, (Latin: straight abdominal) also known as the "abdominal muscle" or simply better known as the "abs", is a pair of segmented skeletal muscle on the ventral aspect of a person's abdomen. The paired muscle is separated at the midline by a band of dense connective tissue called the linea alba, and the connective tissue defining each lateral margin of the rectus abdominus is the linea semilunaris. The muscle extends from the pubic symphysis, pubic crest and pubic tubercle inferiorly, to the xiphoid process and costal cartilages of the 5th-7th ribs superiorly. The rectus abdominis muscle is contained in the rectus sheath, which consists of the aponeuroses of the lateral abdominal muscles. Each rectus abdominus is traversed by bands of connective tissue called the tendinous intersections, which interrupt it into distinct muscle bellies. The rectus abdominis is a very long flat muscle, which extends along the whole length of the front of the abdomen, and is separated from its fellow of the opposite side by the linea alba. Tendinous intersections (intersectiones tendineae) further subdivide each rectus abdominis muscle into a series of smaller muscle bellies. Tensing of the rectus abdominis causes the muscle to expand between each tendinous intersection. The upper portion, attached principally to the cartilage of the fifth rib, usually has some fibers of insertion into the anterior extremity of the rib itself. Typical volume is around 300 cm3 in non-active individuals and 500 cm3 in athletes. The rectus abdominis has many sources of arterial blood supply. Classification of the vascular anatomy of muscles: First, the inferior epigastric artery and vein (or veins) run superiorly on the posterior surface of the rectus abdominis, enter the rectus fascia at the arcuate line, and serve the lower part of the muscle. Second, the superior epigastric artery, a terminal branch of the internal thoracic artery, supplies blood to the upper portion. Finally, numerous small segmental contributions come from the lower six intercostal arteries as well. The muscles are innervated by thoraco-abdominal nerves, these are continuations of the T7-T11 intercostal nerves and pierce the anterior layer of the rectus sheath. Sensory supply is from the 7-12 thoracic nerves. The sternalis muscle may be a variant form of the pectoralis major or the rectus abdominis. Some fibers are occasionally connected with the costoxiphoid ligaments, and the side of the xiphoid process. The rectus abdominis is an important postural muscle. It is responsible for flexing the lumbar spine, as when doing a crunch. The rib cage is brought up to where the pelvis is when the pelvis is fixed, or the pelvis can be brought towards the rib cage (posterior pelvic tilt) when the rib cage is fixed, such as in a leg-hip raise. The two can also be brought together simultaneously when neither is fixed in space. The rectus abdominis assists with breathing and plays an important role in respiration when forcefully exhaling, as seen after exercise as well as in conditions where exhalation is difficult such as emphysema. It also helps in keeping the internal organs intact and in creating intra-abdominal pressure, such as when exercising or lifting heavy weights, during forceful defecation or parturition (childbirth). An abdominal muscle strain, also called a pulled abdominal muscle, is an injury to one of the muscles of the abdominal wall. A muscle strain occurs when the muscle is stretched too far. When this occurs the muscle fibers are torn. Most commonly, a strain causes microscopic tears within the muscle, but occasionally, in severe injuries, the muscle can rupture from its attachment. A rectus sheath hematoma is an accumulation of [https://spitispa.gr/?URL=http://git.magic-beans.cn:3000/brandywalton35 Titan Rise blood circulation support] in the sheath of the rectus abdominis muscle. It causes abdominal pain with or without a mass. The hematoma may be caused by either rupture of the epigastric artery or by a muscular tear. Causes of this include anticoagulation, coughing, pregnancy, abdominal surgery and trauma. With an ageing population and the widespread use of anticoagulant medications, there is evidence that this historically benign condition is becoming more common and more serious. On abdominal examination, people may have a positive Carnett's sign. Most hematomas resolve without treatment, but they may take several months to resolve. The rectus abdominis is similar in most vertebrates. The most obvious difference between animal and human abdominal musculature is that in animals, there are a different number of tendinous intersections. Lefave, Samantha; Shannon-Karasik, Caroline (16 November 2023). "There Are Actually Many Ways To Achieve 6-Pack Abs". Abdomen, in Moore, K.L., Dalley, A.F., Agur, A.M.R. 2014. Clinically Oriented Anatomy: Seventh Edition. Lippincott Williams & Wilkins. Kim, Jungmin; Lim, Hyoseob; Lee, Se Il; Kim, Yu Jin (2012). "Thickness of Rectus Abdominis Muscle and Abdominal Subcutaneous Fat Tissue in Adult Women: Correlation with Age, Pregnancy, Laparotomy, and Body Mass Index". Archives of Plastic Surgery. Anteroposterior diameter comparison of dominant (D) and nondominant (ND) rectus abdominis in elite handball players. Pedret; Balius; Pacheco, Sra.; Gutierrez; Escoda; Vives (1 July 2011). "Rectus abdominis muscle injuries in elite handball players: management and rehabilitation". Open Access Journal of Sports Medicine. Sanchis-Moysi, Joaquin; Idoate, Fernando; Dorado, Cecilia; Alayón, Santiago; Calbet, Jose A. L. (31 December 2010). "Large Asymmetric Hypertrophy of Rectus Abdominis Muscle in Professional Tennis Players". PLOS ONE. 5 (12): [https://cv.rascol.uk/mediawiki/index.php?title=The_6_Best_Ways_To_Build_Muscle Titan Rise blood circulation support] e15858. Fitzgerald, J. E. F.; Fitzgerald, L. A.; Anderson, F. E.; Acheson, A. G. (2009). "The changing nature of rectus sheath haematoma: Case series and literature review". International Journal of Surgery. Roche Lexicon - illustrated navigator.

The 27 Best Arm Exercises And Arm Workouts For Pumping Up Your Biceps And Triceps

2025-11-12T06:06:56Z

Maria07191381: Created page with " Hitting Your Arms From All Angles, Why? Clicking on this article is your first rep towards building bigger biceps, triceps and forearms. Each of these arm exercises hits maximum muscle fibres to spark the growth you're after and proves any piece of kit - in the right hands and in the right arm workouts - has gun-toting potential to build bigger, thicker arms. And if you're wondering why exactly it is that you need to know 26 arm exercises, it's because if you want to..."

Hitting Your Arms From All Angles, Why? Clicking on this article is your first rep towards building bigger biceps, triceps and forearms. Each of these arm exercises hits maximum muscle fibres to spark the growth you're after and proves any piece of kit - in the right hands and in the right arm workouts - has gun-toting potential to build bigger, thicker arms. And if you're wondering why exactly it is that you need to know 26 arm exercises, it's because if you want to build arms that really pop, you'll need to hit them from a variety of angles, a muscle-building theory that's been confirmed by the Department of Health Science and Human Performance at the University of Tampa, Florida. Hitting Your Arms From All Angles, Why? If you're interested in seriously big arms, slabs of meat that look thick and full from all angles, then you need to start realising there's more to arm day than just your biceps. In fact, biceps shouldn't be your priority. Yes, they are the jewel of the arm muscle, the one that makes your t-shirt pop, but did you know it's your triceps that make up the majority of the arm? Spare a thought for your forearms, too - don't worry, we've got the exercises for them - and start to think about grip, and how small adjustments on the dumbbell can help attack specific muscles in the arm that will help contribute to growth, size and thickness. Of course, if your goal is to add some size to you guns, then arm workouts should be a staple in your weekly program. We're all well aware of the visual benefits of a thick set of biceps, but what about some more reasons to include arm workouts, other than filling out a shirt? Arm workouts, specifically using weights and bodyweight resistance fall under the umbrella of 'resistance training'. The benefits of resistance training are multifarious, ranging from improved heart health to improved body image (how we perceive our bodies). In fact, a review published by J Strength Cond Res of 11 different studies on resistance training found that it can significantly [https://thestarsareright.org/index.php/User:PrinceFlanders7 improve nitric oxide] multiple types of body image. So, even more of a reason to relish the boost we get when flexing in front of the mirror [https://dokuwiki.stream/wiki/User:TeenaUrban5 Titan Rise Review] after a serious arm workout. Below, we present the best arm workouts and a detailed 'how to' that'll ensure you complete each rep with perfect form and explain the specific benefit of each exercise - helping you pick the perfect combination for every goal. We've also included arm-building tips from a top PT that will target your guns. If you want to build big arms then you're going to need to work out your biceps, triceps and forearms, [https://wiki.dulovic.tech/index.php/User:AltonHurlburt8 TitanRise Official] which is why we've selected exercises that hit all three muscle groups. How to: Grab a barbell with a shoulder-width grip and let it hang in front of your thighs. Brace your core as you curl the bar up to your chest, keeping your elbows pinned to your waist. Return under control to the start position. Why: The barbell bicep curl is the king of arm exercises, and for good reason. You'll be able to load the bar with additional weight, but be sensible, and try to avoid momentum. By keeping your reps clean, you'll isolate your biceps which will result in a better pump. How to: Sit on an incline bench and hold a dumbbell in each hand at arm's length. Use your biceps to curl the dumbbell until it reaches your shoulder, then lower them back down to your side and repeat. Why: Beware: this position isolates the biceps and prevents other muscles from sharing the load. You can work the entire muscle by turning your wrists out slightly and keeping your elbows pointed towards the floor throughout the rep, a range of motion not available in other arm exercises. [https://www.grains.k-state.edu/about/facilities/index.html k-state.edu]

User:Maria07191381

2025-11-12T06:06:45Z

Maria07191381:

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2025-11-11T23:48:30Z

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