A pull-up is an upper body compound pulling exercise where the body is suspended by the arms, gripping something, and pulled up with muscular effort. As this happens, the wrists remain in neutral (straight, neither flexed or extended) position, the elbows flex and the shoulder adducts and/or extends to bring the elbows to or sometimes behind the torso.
A traditional pull-up relies on upper body strength with no swinging or "kipping" (using a forceful initial movement of the legs in order to gain momentum). The exercise often targets the latissimus dorsi muscle in the back along with many other assisting muscles.
The name refers to pulling one's body up. Pull-ups are associated with utilizing an overhand (pronated, palms facing away) grip by many organizations
A "chin up" is named after either bringing the chin up to touch the bar, or alternatively, bringing it up and over the bar. As this is more easily done with a supinated grip, the term chin-up has been associated with doing pull-ups with an underhand (supinated, palms facing toward) grip. This new usage of chin up (which has a completely different meaning from the original one, and nothing to do with one's chin) has led some to use "pull up" in a more restricted use to refer to its opposite, pulling with a prone grip.
Variations of pull ups, beyond being named for their grip, can also be named based on how high the body rises, by naming it after the body part that either comes into contact with or passes over the top of the bar. A "chest-up" or "sternum-up" for example, indicates that the chest or sternum meets the bar, requiring extra scapular adduction and depression.
Pull-ups (including chins) can be done with a supinated, neutral or pronated grip. Grips may match each other or be different. Grips may also rotate throughout the movement, such as by doing them on rings or rotating handles. The range of motion used by trainers can vary. The fullest possible range is with straight arms overhead (elbow directly above shoulder), to pulling when the arms are at the sides (elbow directly below shoulder). People sometimes only train portions, such as avoiding locking out the arms at the bottom, or stopping when the head/chin/neck touch the bar. Positions within the range are also trained isometrically, as in flexed-arm and straight-arm hangs for time.
What can also differ is the width of the grip. When grabbing and holding the bar during the pull-up, the hands can be apart at shoulder-width, but also go beyond that. This will make the pull-up more difficult, but also limit the range of motion when compared to the shoulder-width grip.
The latissimus dorsi ("lats") and the lower sternal fibers of the pectoralis major are involved in extending/adducting the arm from the overhead position. These muscles do not connect to the scapulae, and their use reduces the need for muscles which attach to them.
The posterior deltoid muscles and teres major muscles are extensor/adductor muscles which attach to the scapulae. The lower trapezius and pectoralis minor are involved as a scapular depressors. The pec minor works in conjunction with the levator scapulae muscles and rhomboid muscle and to downwardly rotate the scapulae, while the serratus anterior pulls forward to rotate the scapula downward and stabilize the shoulder during descent. If one leans back during a pull up, the rhomboids also work with the lower traps to retract/adduct the scapulae.
Muscles which flex the elbow joint are also involved in providing ideal leverage for shoulder extension/adduction. The biceps brachii muscle is involved in dynamic stabilization; it shortens as the elbow flexes yet lengthens as the shoulder extends. It is strongest with a supine grip (what people recently identify with "chin up"). The brachialis and brachioradialis attach to the humerus rather than the scapulae so they only shorten as the pull up is performed. They are relied on even more heavily with a prone grip which limits the biceps' involvement.
The rectus abdominis, erector spinae, transverse abdominis and internal obliques/external obliques are used to hold the hips and rib cage together and support the spinal ligaments in resisting the traction of gravity.
Pelvic tilt and the orientation of the legs can alter which of the core muscles are used to bear their weight. If the legs are lifted to the front and the pelvis tilts posterior, the rectus abdominis (with aid from the psoas) bears more weight. If the legs are lifted to the back and pelvis is tilted anterior, the erector spinae (with aid from the lats) bear more weight. Raising the legs and one side of the pelvis laterally will result in more weight born by that side's obliques.
List of some variations
Standard dead-hang pull up is grasped with an overhand/underhand/alternative-hand grip. Then the body is pulled up until the chin clears the bar, and finished by lowering the body until arms and shoulders are fully extended. Stricter standards would only consider a full repetition to be one in which the elbows pass behind the coronal plane.
Weight is added using a dipping belt, or grasping a dumbbell with the feet, or weight vest/shorts
The chin is dropped. The goal of the pull-up is to touch the bar with the back of the neck.
A one arm pull-up is performed by grasping the bar with only one hand while pulling up. This is difficult due to the considerable strength required.
The muscle-up is performed by pulling up, but rather than stopping with the chin or chest touching the bar, the arms are straightened, raising the body above the bar. Generally the initial pull-up uses an overhand grip to make the switch easier and is more explosive in order to take advantage of momentum from the first half of the exercise to aid in the second half.
Sometimes called an "Australian pull-up", "reverse push-up", "inclined pull-up" or "inverted row", this is performed with the bar 2 to 3 feet off the floor. The user lies on the ground under the bar, face-up, and grasps the bar with extended arms. The exercise is performed by pulling the chest up to the bar. The body is held in a rigid plank position while the heels remain on the floor.
One hand is placed in the overhand (pronated) position and the other is placed in the underhand (supinated) position to provide variation on the elbow flexors used.
- ^ Eva teaches the kipping pull-up at crossfit.com
- ^ Boy Scouts of America
- ^ Guinness World Records, #1(pronated grip) must be used.
- ^ recordholders.org, recordholders.org "makes a difference between" pull-ups and chin-ups according to grip.
- ^ a b c "Pull-up". acefitness.org. American Council on Exercise. http://www.acefitness.org/exerciselibrary/191/pull-ups. Retrieved 27 March 2011.
- Pull-ups, American Council on Exercise
- United States Marines fitness guide that describes pull ups and how they can be done with a supine or prone grip
- Specific Guidelines Pack for "Heaviest Weighted Pull-up" by Guinness World Records.
- World record holders for Pull-ups and Chin-ups
- Swiss Pull-up Association
- Additionally weighted
- Weighted Pull-up
- Weighted Chin-up
- Weighted Pull-up (neutral grip)
- Weighted Close Grip Chin-up
- Weighted Underhand Chin-up
World Records (pronated grip)
Guinness World Records
- Most pull ups in one hour - 1,009 by Stephen Hyland (UK) 1 Aug 2010
- The heaviest weighted pull up - 206.2 lbs by Steven Proto (USA) 9 July 2011
- Most Pull-ups in 3 mins - 100 Ngo Xuan Chuyen (VIE) 1988
- Most pull-ups in 30 mins - 543 Stephen Hyland (GBR)5 Jul 2010
- Most pull-ups in 6 hours - 2,456 Guy Schott (USA) 28 April 2007
- Most pull-ups in 24 hours - 3,165 Jason Armstrong (USA) 30 May 2010
- Heaviest weighted pull-up total - 402 lbs Steven Proto (USA) 28 April 2011
- Most pull-ups with a 45 lb plate - 18 Damien Longley (USA) 28 March 2011
Strength training exercises Quadriceps (front of legs) Hamstrings (back of legs)Deadlift (c) · Leg curl (i) CalvesCalf raise (i) Pectorals (chest) Lats and trapezius (upper back) Deltoids (shoulders) Biceps (front of arms)Biceps curl (i) Triceps (back of arms) Abdomen and obliques (belly) Lower back
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