The subclavius is a small muscle located beneath the collarbone, or clavicle, primarily involved in the functioning of the shoulder. This muscle extends from the first rib up to the underside of the clavicle. Its main role is to stabilize and support the clavicle during arm and shoulder movements, acting as a shock absorber when there is sudden force applied to the shoulder, like when you catch something heavy or brace yourself during a fall.
During activities involving the arms and shoulders, the subclavius muscle contracts, helping to lower the clavicle slightly. This is important for maintaining the alignment and positioning of the clavicle, thus ensuring that the shoulder joint has a full and safe range of motion. For example, when you perform overhead lifting movements or carry heavy loads, the subclavius works to prevent excessive shifting of the clavicle which could otherwise lead to injuries or discomfort.
Understanding the role of the subclavius can be beneficial, especially in physical training and exercises that involve extensive use of the upper body. Strengthening and maintaining the flexibility of this muscle can contribute to overall shoulder health and functionality. This is particularly crucial for athletes or individuals who engage in sports or activities that put considerable stress on the shoulder and upper body, as it helps in reducing the risk of clavicle injuries and improves the efficiency of shoulder movements.
Therefore, incorporating exercises that engage and strengthen the subclavius, as well as the surrounding muscles, is important in creating a balanced workout that promotes both stability and mobility in the shoulder area.