Push Up UPDATED

The push-up (sometimes called a press-up in British English) is a common calisthenics exercise beginning from the prone position. By raising and lowering the body using the arms, push-ups exercise the pectoral muscles, triceps, and anterior deltoids, with ancillary benefits to the rest of the deltoids, serratus anterior, coracobrachialis and the midsection as a whole.[1] Push-ups are a basic exercise used in civilian athletic training or physical education and commonly in military physical training. They are also a common form of punishment used in the military, school sport, and some martial arts disciplines.

push up

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According to the study published in Journal of Strength and Conditioning Research, the test subjects supported with their hands, on average, 69.16% of their body mass in the up position, and 75.04% in the down position during the traditional push-ups. In modified push-ups, where knees are used as the pivot point, subjects supported 53.56% and 61.80% of their body mass in up and down positions, respectively.[5]

The rectus abdominis and transversus abdominis contract continually while performing push-ups to hold the body off the floor and keep the legs and torso aligned. The rectus abdominis spans the front of the abdomen and is the most prominent of the abdominal muscles. The transversus abdominis lies deep within the abdomen, wrapping around the entire abdominal area. Both muscles compress the abdomen, and the rectus abdominis also flexes the spine forward, although it does not execute this function when performing push-ups.

The anterior portion of the deltoid muscle is one of the major shoulder-joint horizontal adductors, moving the upper arms toward the chest during the upward phase of a push-up. It also helps control the speed of movement during the downward phase. The deltoid attaches to parts of the clavicle and scapula, just above the shoulder joint on one end, and to the outside of the humerus bone on the other. Along with horizontal adduction, the anterior deltoid assists with flexion and internal rotation of the humerus within the shoulder socket.

The push up requires the work of many muscle groups, with one of the primary muscle groups being the chest muscles, the pectoralis major and the minor.[7] These are the two large chest muscles and the main pushing muscle group of the upper body. When pushing and lowering the body during a push-up, the pectoralis major is doing most of the work. As a result, these muscles become very strong and can become defined as lean muscle after doing push-ups regularly.

The push-up depends on stabiliser muscles as the body is pushed and lowered. The erector spinae is the main stabiliser muscle in the back. Made up of three muscles including the spinal, longissimus, and iliocostalis. The spinal runs adjacent to the spine, the longissimus runs adjacent to the spinal and the iliocostalis runs adjacent to the longissimus and over the ribs. Two muscles called the gluteus medius and gluteus minimus stabilise the upper leg. The medius and minimus sit under the largest butt muscle, the gluteus maximus.

Inner muscles that support the operation of the fingers, wrists, forearms, and elbows are also worked isometrically. Some push-up modifications that require to have the arms at different heights effectively engage the rotator cuff.[9]

In the "full push-up", the back and legs are straight and off the floor. There are several variations besides the common push-up. These include bringing the thumbs and index fingers of both hands together (a "diamond push-up") as well as having the elbows pointed towards the knees. These variations are intended to put greater emphasis on the triceps or shoulders, rather than the chest muscles. When both hands are unbalanced or on uneven surfaces, this exercise works the body core. Raising the feet or hands onto elevated surfaces during the exercise emphasizes the upper (minor) or lower (major) pectorals, respectively. Raising the hands with the aid of push-up bars or a dumbbell allows for a greater range of motion, providing further stress for the muscles.

Progressively overloading classic push-ups using barbell plates, resistance bands or any form of weight. The load is usually positioned on the upper back. This very effective exercise is not commonly performed because of the difficulty of loading the human body in that position. An alternate way to add weight to the push-up is by placing your hands on high handles bars and then elevating your feet on a high surface to get into a suspended push-up position. Now due to the distance between the pelvis and the floor a dipping belt can be used to add weights from the pelvis. This method of adding extra weight to the push-up becomes more efficient.

"Modified" or "knee" push-ups are performed by supporting the lower body on the knees instead of the toes, which reduces the difficulty. These are sometimes used in fitness tests for women, corresponding to regular push-ups for men.[10] This is useful for warm-ups/downs, pyramids/drop sets, endurance training, and rehab. It can also be used to train in a more explosive plyometric manner (like clapping push-ups) when one can't perform them with the feet. It can also be used with the 1-arm variations as a transition. However, the intense pressure on the knees can be harmful.[11]

An extremely difficult variation is to perform a push-up using only hands, without resting the feet on the floor, i.e., starting from and returning to the planche position. These are known as "planche push-ups". To do this variation, the body's center of gravity must be kept over the hands while performing the push-up by leaning forward while the legs are elevated in the air, which requires great strength and a high level of balance. The entire body weight is lifted in this variation.

Another variation is to perform push-ups on the knuckles of the fist, rather than with palms of the hands on the floor. This method is also commonly used in martial arts, such as Karate and Tae Kwon Do, and may be used in boxing training while wearing boxing gloves.

The intent, in addition to building strength and conditioning, is to toughen the knuckles, wrist, and forearm in the punching position. This variation also reduces the amount of strain in the wrist, compared to the typical "palms on floor" approach, and so it is sometimes used by those with wrist injuries. Such practitioners will usually perform their knuckle push-ups on a padded floor or a rolled-up towel, unlike martial artists, who may do bare-knuckle push-ups on hard floors.

The Maltese push-up is a gymnastic variation of the push-up, in which the hands are positioned further down towards the hips (as opposed to roughly alongside the pectorals), but with a wide distance between them.

The most basic form of Hindu push-up starts from the downward dog yoga position (hands and feet on the floor with the posterior raised) and transitions to a cobra pose position (hands and feet on the floor with the torso arched forwards and the legs close to the floor). It is also known as a dand, and is still widely known by this title especially in India where it originated from. It is a common exercise in Indian physical culture and martial arts, particularly Pehlwani.[12][13] The famous martial artist Bruce Lee also used it in his training regime and referred to it as a cat stretch.[14] It is an effective core strength exercise because it dynamically involves both the anterior and posterior chains in a harmonious fashion. There are numerous variations of the Hindu push-up although most incorporate the two postures used in the most basic version. It may also be known as a Hanuman, judo, or dive-bomber push-up.

The guillotine push-up is a form of push-up done from an elevated position (either hands-on elevated platforms or traditionally medicine balls) wherein the practitioner lowers the chest, head, and neck (thus the name) past the plane of the hands. The goal is to stretch the shoulders and put extra emphasis on the muscles there.

The backhanded push-up is a form of push-ups performed using the back of the hands, rather than the palms. Currently, the record holder of the backhanded push-ups is Bill Kathan who broke the world record in 2010, by performing 2,396 on Valentine's Day.[15]

At the peak of the push-up, push yourself up off the ground and quickly clap in midair. The fast jolting force of clap push-ups will help develop explosive power while also bulking up the pectoral muscles for a more defined chest.

"Table" or "chair" push-ups are performed by pushing away from a table, chair, or other object. The lower the object, the more difficult the push-up. One should be sure that the object is securely stationary before attempting to push up from it.

"Three-phase" push-ups involve simply breaking a standard push up into three components and doing each one slowly and deliberately. Participants usually start face down on the floor with hands outstretched either perpendicular or parallel to the body. The first phase involves the arms being brought palms down on a 90-degree angle at the elbows. The second phase involves the body being pushed into the up position. The third phase is returning to the starting position. This technique is commonly used after a large block of regular push-ups, as it poses less stress and requires less effort.

"Diamond" or "Triceps" push-ups are done by placing both palms on the ground and touching together both thumbs and pointer fingers. This technique requires stronger triceps muscles than regular push-ups because, at the bottom of the stroke, the forearm is nearly parallel to the ground and the elbow is almost completely flexed, resulting in a much higher mechanical load on the triceps. There is a special sub-set of the diamond push-up (so named for the diamond-shaped space between the hands when the thumb and forefinger of the left hand are placed on the floor up against the thumb and forefinger of the right hand.) The special version of this push-up is when the diamond is placed directly below the nose instead of the solar plexus. The nose must almost touch the floor in the center of the diamond. This special diamond push-up is done by the United States Marine Corps. The lips must come within 1 inch of the floor while keeping the neck in line with the straight spine to qualify as a valid push-up. This can be verified by placing a 1-inch foam disposable earplug on the floor in the center of the diamond and picking it up with the lips. 041b061a72