Pull From the Knee

DeWeese, Brad H.; Suchomel, Timothy J.; Serrano, Ambrose J.; Burton, Jarrod D.; Scruggs, Steven K.; Taber, Christopher B.

doi:10.1519/ssc.0000000000000194

Cited by 9 publications

(5 citation statements)

References 33 publications

(39 reference statements)

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“…In other words, participants may not have acquired consistent PC technical standards. For example, they may not have completed the triple extension (i.e., the hip, knee, and ankle extension) due to the focus on the displacement under the barbell during the catch phase (DeWeese, et al, 2016;. From this technical defi ciency, they may not have achieved maximum velocity at each load; a factor that is relevant for a strong load-velocity relationship.…”

Section: Discussionmentioning

confidence: 99%

Using the bar-velocity to predict the one-repetition maximum in the power clean from the knee

da Silva,

Berton,

Soares Teixeira

et al. 2023

Kinesiology (Zagreb, Online)

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This study investigated the predictive validity and reliability of the load-velocity relationship with the one-repetition maximum test (1RM) in power clean from the knee exercise (PC). Initially, 12 healthy young males, with no PC experience, underwent eight sessions to learn the PC technique. After the learning period, the participants visited the laboratory on four more occasions with intervals between the visits from 72 to 96 h. The first two sessions were dedicated to the actual 1RM tests, while the last two sessions were performed to measure the barbell’s load-velocity relationship at 30%, 45%, 60%, 75%, and 90% of PC 1RM. The highest peak velocity recorded at each load was used to establish the linear regression equation and, consequently, to predict 1RM values. As a result, a low validity was observed between the highest actual 1RM value and the predicted 1RM in sessions 1 and 2 (typical errors = 3.6 to 5.0 kg, coefficients of variation = 6.03 to 8.21%, effect sizes = -1.23 to -1.00, and Bland-Altman bias = 8.5 to 11.7 kg). For reliability, higher measurement errors (intraclass correlation coefficient, typical error, coefficient of variation, and width of limits of agreement at 95%) were observed for the predicted 1RM compared to the actual 1RM test. In conclusion, the load-velocity relationship was not able to predict the 1RM value with high accuracy in the PC from the knee. Moreover, the predicted 1RM presented inferior reliability than the actual 1RM test.

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Section: Discussionmentioning

confidence: 99%

Using the bar-velocity to predict the one-repetition maximum in the power clean from the knee

da Silva,

Berton,

Soares Teixeira

et al. 2023

Kinesiology (Zagreb, Online)

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“…The omittance of the catch phase decreases the relative complexity of pulling derivatives, which may make them inherently easier to teach and learn. In fact, many of the pulling derivatives are key components of the International Weightlifting Federation-approved teaching progressions for the full competition lifts (148), as discussed in several coaching and technique articles (72)(73)(74)147,148,201,230,278,279,(289)(290)(291). As such, these variations are more easily included in the training program for beginners, whereas the technique of the more technically demanding lifts is developed and refined.…”

Section: Section 2: Weightlifting Derivativesmentioning

confidence: 99%

“…This may provide strength and conditioning coaches with several options based on their athletes' technical competency while also addressing positional strength demands. For example, sprinters require large magnitudes of force and high RFD when accelerating from the starting blocks and to maintain high speeds and may thus benefit from using pulling derivatives that develop these characteristics within these positions (74).…”

Section: Section 3: Physiological Adaptations and Required Stimulimentioning

confidence: 99%

National Strength and Conditioning Association Position Statement on Weightlifting for Sports Performance

Comfort

Haff

Suchomel

et al. 2023

Journal of Strength and Conditioning Research

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Comfort, P, Haff, GG, Suchomel, TJ, Soriano, MA, Pierce, KC, Hornsby, WG, Haff, EE, Sommerfield, LM, Chavda, S, Morris, SJ, Fry, AC, and Stone, MH. National Strength and Conditioning Association position statement on weightlifting for sports performance. J Strength Cond Res 37(6): 1163–1190, 2023—The origins of weightlifting and feats of strength span back to ancient Egypt, China, and Greece, with the introduction of weightlifting into the Olympic Games in 1896. However, it was not until the 1950s that training based on weightlifting was adopted by strength coaches working with team sports and athletics, with weightlifting research in peer-reviewed journals becoming prominent since the 1970s. Over the past few decades, researchers have focused on the use of weightlifting-based training to enhance performance in nonweightlifters because of the biomechanical similarities (e.g., rapid forceful extension of the hips, knees, and ankles) associated with the second pull phase of the clean and snatch, the drive/thrust phase of the jerk and athletic tasks such as jumping and sprinting. The highest force, rate of force development, and power outputs have been reported during such movements, highlighting the potential for such tasks to enhance these key physical qualities in athletes. In addition, the ability to manipulate barbell load across the extensive range of weightlifting exercises and their derivatives permits the strength and conditioning coach the opportunity to emphasize the development of strength-speed and speed-strength, as required for the individual athlete. As such, the results of numerous longitudinal studies and subsequent meta-analyses demonstrate the inclusion of weightlifting exercises into strength and conditioning programs results in greater improvements in force-production characteristics and performance in athletic tasks than general resistance training or plyometric training alone. However, it is essential that such exercises are appropriately programmed adopting a sequential approach across training blocks (including exercise variation, loads, and volumes) to ensure the desired adaptations, whereas strength and conditioning coaches emphasize appropriate technique and skill development of athletes performing such exercises.

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“…The maximum velocity phase is characterized by the application of high levels of force during very short periods of time (32), as a result of a much shorter CT (compared with the CT observed during the acceleration phase of sprinting) (89,101). A recent study (126) showed that FT and SL decreased with increasing loads and that the differences detected were even more accentuated over the maximum velocity phase.…”

Section: Acute Changes Of Increasing Load During the Maximum Velocity...mentioning

confidence: 99%

Narrative Review on the Use of Sled Training to Improve Sprint Performance in Team Sport Athletes

Zabaloy

Freitas

Pareja‐Blanco

et al. 2022

Strength &Amp; Conditioning Journal

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Sprinting is a key component for many individual and team sports. Therefore, to enhance sprint performance, various training methods are widely used by coaches and practitioners, including maximum sprint speed and resisted sprint training. Resisted sprinting with sled towing is a method that has recently received considerable attention from the sport science community. However, to date, no consensus exists regarding its acute and chronic effects in team sport athletes. This narrative review aimed to (a) review and analyze the mechanics of sprinting under unresisted and resisted conditions with a specific focus on team sport disciplines; (b) provide a thorough and applied discussion on the importance of considering acute and chronic effects of sled loading on technique, electromyographic activity, and force production, as well as on the role of muscle architecture and neural factors in sled training; (c) analyze the effects of increasing sled loads during acceleration and maximum velocity phases on contact and flight phases, while concomitantly examining kinetic, kinematic, and neuromuscular aspects, because all these factors affect each other and cannot be properly understood in isolation.

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Pull From the Knee

Cited by 9 publications

References 33 publications

Using the bar-velocity to predict the one-repetition maximum in the power clean from the knee

Using the bar-velocity to predict the one-repetition maximum in the power clean from the knee

National Strength and Conditioning Association Position Statement on Weightlifting for Sports Performance

Narrative Review on the Use of Sled Training to Improve Sprint Performance in Team Sport Athletes

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