Guide to Correct Parallel Bar Dips and Extensions

　　Parallel bar dips and extensions are a very effective multi-joint exercise that can exercise To the lower part of the pectoralis major muscle, the long head of the triceps brachii and other parts. But to achieve good exercise results, it is crucial to master the correct movements. The following is a detailed introduction to the correct movements of parallel bar arm extensions.

Warm-up preparation and grip distance selection

　　Warm up preparation: Before doing parallel bar dips and extensions, you must be fully prepared to warm up. You can do some simple aerobic exercises, such as jogging, jumping jacks, etc., to mobilize the joints of the whole body, especially the shoulders, elbows and wrists. You can also do some dynamic stretching to activate the muscles and tendons in advance and reduce the risk of sports injuries.

　　Grip distance selection: The choice of grip width will affect the focus of the exercise. If you want to focus on training the lower pectoralis major muscles, you can appropriately relax the grip distance ； If you want to stimulate the long head of the triceps brachii more, the grip distance can be relatively narrow.

Key points of starting posture

　　Elbow abduction and trunk forward lean: Hold the parallel bars with both hands, your body perpendicular to the ground, and your elbows naturally abducted at an angle of about 45 degrees. At the same time, the trunk is slightly tilted forward, which can better stimulate the lower pectoralis major muscle.

　　Keep your chest out and your shoulders down: Lifting the chest can open the chest and increase the stretch of the chest； Shoulder sinking is to sink the shoulders to avoid shrugging, keep the shoulder blades stable, reduce shoulder pressure, and also make the movement more stable.

descent process control

　　Amplitude control perpendicular to forearm: During the descent, you must control the range of motion to lower the body to a suitable position. Generally, the upper arms are parallel to the ground or slightly lower than parallel. At the same time, keep your forearms perpendicular to the ground so that the long head of your triceps can be better utilized.

　　centrifugal control: When descending, proceed slowly, use eccentric control, and feel the stretch of the lower bundle of the pectoralis major and the long head of the triceps brachii. This process can increase muscle tension and metabolic stress, and help muscle growth.

Key points of the rising process

　　peak contraction: When the body rises to the highest point, perform peak contraction, that is, forcefully contract the lower part of the pectoralis major and the long head of the triceps brachii for 1-2 seconds to strengthen the stimulation of the muscles.

　　Avoid inertial compensation: During the ascent, you must rely on muscle strength rather than inertia to complete the movement. Maintain the stability and consistency of your movements so that your muscles can continue to exert force.

Overall movement precautions

　　Core tightening: During the entire parallel bar arm flexion and extension process, always keep the core tightened, which can stabilize the body, improve the efficiency of kinetic chain transmission, and also reduce the pressure on the waist.

　　coordination and stability: Pay attention to the coordination and dynamic stability of movements, and you can conduct some coordination training and proprioception training to improve the body's ability to control movements.

　　Parallel bar flexion and extension is a classic fitness movement. It can adjust the details of the movement in a variety of ways to focus on stimulating different muscle parts. Proper form not only makes exercise more effective, but also reduces the risk of injury.