What is one factor that can limit flexibility related to bony structures?

Flexibility can be significantly affected by the physical characteristics of the skeletal system, and one critical aspect of this is the presence of bony structures. When movements are performed, certain bony prominences can act as mechanical stops that restrict the range of motion. These bony landmarks, such as the protrusions or projections of bones, can interfere with joint mobility by preventing further movement at the normal endpoints of a range of motion.

For example, in the case of the elbow, the olecranon process of the ulna can limit how far the forearm can move when bending the arm. Similarly, in the shoulder, certain bony features of the scapula can restrict movements like abduction or rotation. This natural limitation is essential for protecting the joints from excessive movement that could lead to injury, but it can also restrict flexibility and overall performance during athletic activities.

While other factors listed can influence flexibility, such as scar tissue formation and muscle tightness, they do not directly involve the structural limitations imposed by the bones themselves. Understanding the role of bony structures helps in designing training and rehabilitation programs that consider these anatomical constraints.