What alignment technique involves keeping the chest lifted?

Keeping the chest lifted is closely associated with the technique of ensuring that the shoulders are back and relaxed. This alignment technique promotes proper posture, which is essential in any exercise or movement. When the chest is lifted, it encourages the spine to be aligned in a neutral position and allows for optimal breathing and lung capacity.

When the shoulders are back and relaxed, it naturally supports the lift in the chest, preventing slouching or tension in the upper body. This alignment not only enhances performance but also reduces the risk of injury by distributing stress more evenly throughout the body. Proper shoulder positioning also plays a significant role in stabilizing the core, which is important for overall body alignment.

The other options, while they focus on different aspects of body mechanics, do not specifically address the alignment of the chest and shoulders in conjunction with lifting the chest. For example, contracting the abdominal muscles is important for core stability, but it does not directly connect to elevating the chest. Similarly, ensuring the knees and legs are in certain positions relates to lower body alignment rather than supporting an elevated chest.