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Rotation on the twist machine
The rotary machine, rotation device, or the so-called abdominal rotation device is an apparatus commonly found in many fitness studios. This exercise allows for targeted training of the lateral abdominal muscles, offering various options to make abdominal training as effective as possible.
When athletes in the gym talk about a device for the lateral abdominal muscles, they usually mean the rotary machine. However, it could also refer to the hyperextension bench, suitable for lateral upper body bends. Therefore, we use this term in the following to avoid misunderstandings. For training the straight abdominal muscles, the crunch machine is more suitable.
The difficulty level of the rotation on the rotary machine is low, allowing beginners to strengthen their abdominal muscles with this fitness exercise. The movement is similar to the trunk rotation with the cable or trunk rotation with the barbell. In the following section, you will find all the information you need to train the oblique abdominal muscles during the rotation on the rotary machine.
Muscles targeted by the rotary machine The training on the rotary machine primarily aims to strengthen the oblique abdominal muscle (musculus obliquus abdominis). The supporting muscles include the straight abdominal muscle (musculus rectus abdominis) and the pyramidal muscle (musculus pyramidalis).
Execution on the rotation device for the lateral abdominal muscles The execution of the rotation on the rotary machine for the lateral abdominal muscles is relatively simple. To fully utilize the potential of this exercise, you will receive tips in the following section on the correct body position and optimal execution of the movement.
Information Regarding the rotation on the rotary machine, there are various variations. In addition to the method presented here, you can also train kneeling on the device or with a fixed lower part. In the latter case, you rotate the upper body while the lower body remains unchanged in the middle. Nevertheless, there are no significant differences in position and execution.
Here you will find only detailed information about the rotation device, where you train while sitting.
Body position
Body position Initially, you sit on the cushion of the device with your legs firmly on the ground, providing the necessary stability. Thighs and shins are at a 90-degree angle. Lean your chest against the designated cushion. Your back is upright, and you direct your gaze straight ahead. Grip the handles with your hands and prepare for the rotation on the rotary machine.
Movement execution
Movement sequence Start the exercise by rotating your lower body with the abdomen in one direction. Carry out this rotation as far as possible, keeping your gaze forward. Exhale during the slow movement. After reaching the maximum possible rotation, return slowly to the starting position while taking a deep breath. Initially, you train one side of the body. Subsequently, you can adjust the rotary machine to turn the upper body in the opposite direction.
Stressed muscles and common mistakes
Regrettably, errors are frequently observed during abdominal training with the Twister machine. By paying attention to the following advice, you can prevent these mistakes and effectively train your abdomen.
✅ Excessive Weight: Using too much weight during abdominal training leads to imprecise movements. Therefore, it is advisable to choose a moderate weight to ensure a flawless rotation of the body.
✅ Dynamic Execution: Abdominal exercises are prone to distortion through dynamic movements. However, it is crucial not to rely on momentum from arms, legs, or other parts of the upper body. The power for the rotation on the Twister machine should exclusively come from the abdominal muscles.
Alternatives and similar exercises to the Twist device
Both beginners and advanced individuals can consider incorporating rotation on the Twist machine. If you're seeking variety or prefer different exercises, you'll find various options in the following section as alternatives to abdominal twists on the device.
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