Clean and jerk

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The first part of clean and jerk is the clean, which moves the barbell from the ground to shoulder height. To execute a clean, a lifter grasps the barbell just outside the legs, typically using a hook grip. Once the barbell is above the knees, the lifter extends explosively, raising the bar as high as possible before quickly dropping into a squat and receiving it in a "racked" position in front of the neck and resting on the shoulders. To complete the clean, the lifter stands, often propelling the bar upward from the shoulders slightly as the erect position is attained and shifting the grip slightly wider and the feet slightly closer together in preparation for the jerk.{{cite book|last1=Everett|first1=Greg|title=Olympic weightlifting for sports|date=2012|publisher=Catalyst Athletics|location=[Sunnyvale, CA]|isbn=9780980011142}}

File:Zulfiya Chinshanlo 2009.jpg, world champion 2009 in the 53 kg class performing the jerk portion of the lift with a split jerk]]

The jerk is a movement that lifts a barbell from the shoulder to the overhead position. It starts from the "front rack" position, which is the finishing position of the clean. The lift begins with the dip-drive phase – the lifter dips a few inches by bending the knees, keeping the back vertical, before driving the barbell explosively upward by straightening the legs. The lifter continues driving the barbell upward by lifting it off the shoulder with the arms, and once the barbell has passed the head, the lifter dips underneath the bar and moves the body into a stable receiving position. How the body moves into the receiving position depends on the style of jerk (split jerk, power jerk, or squat jerk) being performed, with split jerk the most common. The bar is received overhead on straight arms; once stable, the lifter recovers to a normal standing position, with the legs in the same vertical plane as the rest of the body.{{cite web |url=https://www.crossfit.com/essentials/foundational-movement-jerk-what-is-a-jerk |first=Beau |last=Burgener|date= August 29, 2023 |title=What is a jerk |work=CrossFit }}{{cite web|url=https://www.catalystathletics.com/article/1903/The-Jerk-Technique-Nobody-Talks-About/ |title=The Jerk Technique Nobody Talks |first=Matt |last=Foreman|date=March 30, 2015 |work=Catalyst Athletics }}{{cite web |url=https://www.trainingweightlifting.com/technique/jerk-technique/ |title=Key Issues of Jerk Technique |work=Training Weightlifting }}

The clean in clean and jerk implies a squat clean.{{cite web |url=https://www.onnit.com/academy/squat-clean/ |title=The Squat Clean: How To Do It & Why Your Workout Needs It |first= Joe|last= Wuebben|date=October 23, 2019 |work=Onnit Academy }} The start of squat clean is similar to a deadlift, the lifter then fully extends and shrugs to pull, moves the bar up while dropping the body under the bar, catching it between the shoulders and clavicles with the elbows up in a squat, before standing up with the bar.{{cite web |url=https://breakingmuscle.com/clean-and-jerk/ |title= How to Do the Clean & Jerk for Total-Body Strength and Power|first= Aurélien |last=Zachwalinski|date= July 5, 2023|work=Breaking Muscle}}

{{anchor|power_clean}}The power clean refers to any variant of the clean in which the lifter does not catch the bar in a full squat position (commonly accepted as thighs parallel to the floor or below). It is used as a weight training exercise, but it is usually not performed in elite competitions.{{Cite web|url=https://chineseweightlifting.com/how-to-power-clean/|title = How to Power Clean like Chinese Olympic Weightlifters|date = 11 January 2021}}{{cite web |url=https://sportsedtv.com/blog/so-you-think-you-re-good-at-the-power-clean-weightlifting |title=So, You Think You’re Good at the Power Clean? |date=25 March 2022|work=SportsEdTV }}

The hang clean begins with the barbell off the ground, hanging from the arms. Both power and hang cleans are considered to be ideal for sports conditioning, as they are both total body exercises that have been known to increase neuromuscular co-ordination and core stability.{{CN|date=December 2024}}

The continental clean involves lifting the bar from the floor to the final clean position by any method of the lifter's choosing so long as the bar is not upended and does not touch the ground. The bar may be rested on the legs, stomach, or belt. Hands may be removed and replaced.{{cite book|title=Official Rulebook of the USAWA|year=2014|publisher=Al Myers|section=section A21|url=http://www.usawa.com/wp-content/uploads/2010/05/RULEBOOK-8th-Edition.pdf|edition=8th}} The continental clean plays a special role in strongman training, where the use of an axle bar makes the additional steps of a continental clean necessary.

In split clean, the legs are split during the lift, with one leg forward and the other leg backward before moving to a standing position. It was more common in the past for clean and jerk, but it is now rare. It may be performed by those who do not have the flexibility or are too tall to perform a squat in the clean well.{{cite web |url=https://ironmind.com/articles/jim-schmitz-on-the-lifts/Split-Lifting-Technique/ |title=Split Lifting Technique |first=Jim |last=Schmitz |work=Iron Mind }}

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The split jerk is the most common of the three forms of jerk used in competitions, therefore the term jerk normally implies a split jerk unless an athlete prefers a different style of jerk.{{cite web |url=https://www.catalystathletics.com/exercise/60/Split-Jerk/ |title=Split Jerk |work=Catalyst Athletics }} In split jerk, the lifter dips down their hips and propels the barbell upward by performing a short jump. The lifter then 'splits' their legs and catches the bar with straight arms above their head. The split in the split jerk is not as deep as in split clean or split snatch, and moving too low in split jerk can lead to injury.

In the power jerk or push jerk, the lifter performs the same dip and jump movement, but unlike the split jerk, the lifter catches the barbell in a partial squat position. Power jerk may be used synonymously with push jerk, but a distinction may be made with push jerk being a type of power jerk where the feet stayed connected to the platform instead of being lifted.{{cite web |url=https://www.catalystathletics.com/article/2194/Split-Jerk-Power-Jerk-Squat-Jerk-Why-Who/ |title=Split Jerk, Power Jerk & Squat Jerk: Why & Who|first=Greg |last=Everett|date=September 6, 2018 |work=Catalyst Athleteics }}

The squat jerk is like the power jerk in how the lifter catches the barbell in a squat position, but unlike the power jerk, the lifter catches the barbell in a full squat position with the barbell locked out above their head. The squat jerk requires considerable shoulder stability and flexibility to avoid injury, and it is therefore practiced only by a small minority of lifters.{{cite book |title=The Sport of Olympic-Style Weightlifting|first= Carl |last=Miller|url=https://books.google.com/books?id=nvg31rO1dM0C&pg=PA112 |date=2011 |publisher=Sunstone Press |page= 112|isbn=9781611390841 }}

A single arm is used instead of two. The weight lifted is usually a dumbbell or kettlebell. A barbell can also be used. The movement is broadly similar to the two armed clean and jerk, although there are various changes to the range of movement and posture.{{cite web |last1=Dawes |first1=Jay |title=Unilateral Dumbbell Clean and Jerk |url=https://journals.lww.com/nsca-scj/fulltext/2017/04000/unilateral_dumbbell_clean_and_jerk.12.aspx |website=Strength and Conditioning Journal |access-date=2 September 2022}} As a form of unilateral exercise, a single arm clean and jerk can be beneficial for core strength as the lifter has to work to stabilise the off-centred weight. It can also help to reduce an excessive strength imbalance which has developed between the different sides of the body. For example, in a two armed clean and jerk, there may be a muscle imbalance meaning that the right arm is performing an excessively large amount of the work and the left arm an excessively small amount. By using the single arm style and alternating between each arm, it can be ensured that each arm is performing the same amount of work.{{cite book |last1=dos Medios |first1=Robert |title=Power Training: Build Bigger Stronger Muscles Through Performance Based Conditioning |url=https://books.google.com/books?id=WtPX2YNz7ZkC&dq=push+press+unilateral&pg=PA29 |date=18 September 2007 |publisher=Rodale |page= 10|isbn=9781605298689 }}

Source:{{cite web|url=https://iwf.sport/results/world-records/|title=Senior Men's World Records|publisher=iwf.sport}}

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• List of World records in weightlifting

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