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A bent-over row (or barbell row) is a weight training exercise that targets a variety of back muscles. Which ones are targeted varies on form. The bent over row is often used for both bodybuilding and powerlifting. It is a good exercise for increasing strength and size. ==Implements== Barbell row.jpg|A standing bent-over barbell row with overhand grip Reverse-grip-bent-over-rows-2.png|With an underhand grip, starting Reverse-grip-bent-over-rows-1.png|Underhand grip row ending T-bar-row-2.png|T-bar row start T-bar-row-1.png|T-bar row end There are several variants of this exercise, depending on whether dumbbells or a barbell is used: * ''Two arm barbell bent-over-row:'' This version uses both arms to lift a barbell from the floor to the stomach in a bent-forward position. The hands are kept pronated and the back straight. * ''Two arm dumbbell bent-over-row'': The barbell is replaced by two dumbbells, one for each hand. * ''One arm dumbbell bent-over-row'': This exercise is frequently performed with one knee and one hand on the same side of the body braced on a bench with the back straight and parallel to the ground, and the other hand holding a weight with the arm extended. The weight is lifted towards the hip until elbow bends past 90° and the humerus is in line with the back, then lowered to the original position. * * ''Kroc row'': Named after Matt Kroczaleski who popularised them, Kroc rows are heavy weight and high repetition rows that often call for grip compensating straps at extremely heavy poundages up to around 300 lbs or 140 kg. * * ''Chinese dumbbell row'': Used as a supplementary exercise by the Chinese weightlifting team, this dumbbell row is of a heavy weight and high repetition scheme that has a 45° stance and little to no rotation at the waist, enabling wider range of motion in upper body and activating the trapezius muscle.〔(All Things Gym - Chinese Row – 45 Degree Bent Over Dumbbell Row )〕〔(Cataylsyt Athletics - Dumbbell Chinese Row )〕 The native name for the exercise, if any, is unknown to the English-speaking sports community and it should not be confused with Chinese barbell rows, otherwise known as lying barbell rows.〔(All Things Gym - Chinese Rows a.k.a Lying Barbell Rows )〕 * ''One arm barbell bent-over row'': Done in a nearly identical fashion as the one arm dumbbell, but with the added instability of a long bar. This necessitated greater work by the radial and ulnar flexors of the wrist to stabilize while pulling. It also gives greater feedback about the pronation and supination as the movement of the bar is very visible. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bent-over row」の詳細全文を読む スポンサード リンク
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