Please subscribe to the blog, and the Forager Fitness Twitch and YouTube channels. Let us know what you think! We appreciate the read. The ACFT was originally designed to measure a soldiers. This event exposes those that cannot move their own body weight, and lighter individuals will have a great advantage. More recently, the leg tuck was incorporated into the Army Combat Fitness Test (ACFT) for the US Army. It’s HIGHLY recommended that if you struggle with ideal body weight you get some professional help with diet and exercise. You may be able to bring your legs up, but you will get burnt out of you cannot hold a quarter pullup. This can be a HUGE factor dependent on your body weight and strength status. This event requires not only core stability, but also the coordination and strength to hold an isotonic position until you complete the rep. While this requirement will probably be the least of the athlete’s concern, if you struggle with it, just know it is a component of the exercise. Maxing this out requires you to hold on to the bar with an alternating grip for 20 or so strict reps. The more insidious requirement is grip strength. Designed specifically to meet the Army Combat Fitness Test standards for the Leg Tuck, the Eleiko XF 80 Portable Leg Tuck Rack was developed to best support. More research is needed on whether the PLK relates to Army job tasks.Furthermore, there is no “swinging” or “kipping” allowed. CONCLUSION: Compared to the LTK, the PLK appeared to minimize the influence of sex and body composition on task performance in college-aged civilians. This jumping workout, called the Single Leg Tuck Jump, is designed to help athletes build strength and control on one leg and balance one side of the body at a time. When controlling for sex, a significant predictive relationship was not produced for the PLK. Stepwise regression analysis showed LTK performance was predicted by sex (r 2=.441), grip strength (r 2=.595), and PLK performance (r 2=.662). In addition to the relationship with the LTK, the PLK only correlated with BF% (r=-.295). There was no significant between-sex difference found in PLK performance. RESULTS: There were significant between-sex differences with males being taller, having greater BM, MM%, and performing better in CGS and the LTK. Stepwise regression controlling for sex derived predictive relationships for the LTK and PLK. Partial correlations controlling for sex detailed relationships between the LTK and PLK and the other variables ( p<.05). Independent t-tests compared sexes in all variables ( p<.05). ACFT standards were utilized for the LTK and PLK for all participants and a 10-minute rest was provided between tests. The following data were collected in one session: height body mass (BM), body fat (BF%) and muscle mass percentage (MM%) measured via bioelectrical impedance analysis combined grip strength (CGS) from both hands the LTK and the PLK. METHODS: 49 physically active civilian college students (28 males, 21 females) were recruited as a surrogate population for Army personnel in this study. PURPOSE: To determine relationships between the LTK, PLK, sex, body composition and abdominal and grip strength. However, research regarding performance, relationships, and the influence of sex on the LTK versus the PLK is limited. Following an independent review, the Army adopted the plank-hold (PLK), attempting to limit the influence of sex differences during the assessment. The information was posted sometime after Friday morning. One component of the test, the leg-tuck (LTK) was found to disproportionately fail female soldiers. Sometime during the weekend, the Army’s official ACFT website was updated to remove the leg tuck event and replace it with the plank. Army replaced their older physical fitness test with the Army Combat Fitness Test (ACFT) to replicate modern battlefield demands.
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