During cribbing behavior, which cervical segment is often hyper-flexed?

During cribbing behavior, which cervical segment is often hyper-flexed?

• A. C1
• B. C3
• C. C4
• D. C2

Answer: (D)

Cribbing places the head and neck into a pronounced arch, and the movement primarily loads the upper cervical region. The atlantoaxial area, where the atlas (the first cervical vertebra) and the axis (the second cervical vertebra) meet, is the most dynamic hinge here. As the horse pulls the head back and wedges the chin toward the chest to grip the object, the neck flexes most at the C2 level, making that segment the one that becomes hyper-flexed. This is why C2 is commonly the focus in assessments of cribbing-related neck strain—the axis serves as the pivotal point for the extreme flexion seen in this behavior, which can contribute to muscle tension and joint irritation in the upper neck.

Cribbing places the head and neck into a pronounced arch, and the movement primarily loads the upper cervical region. The atlantoaxial area, where the atlas (the first cervical vertebra) and the axis (the second cervical vertebra) meet, is the most dynamic hinge here. As the horse pulls the head back and wedges the chin toward the chest to grip the object, the neck flexes most at the C2 level, making that segment the one that becomes hyper-flexed. This is why C2 is commonly the focus in assessments of cribbing-related neck strain—the axis serves as the pivotal point for the extreme flexion seen in this behavior, which can contribute to muscle tension and joint irritation in the upper neck.