Question

Three types of SIJ dysfunction listed:

a) Hypermobility, hypomobility, and inflammation
b) Compression, torsion, and shear
c) Rotation, translation, and distraction
d) Anterior, posterior, and lateral displacement

Answer 1

SIJ dysfunction types include hypermobility (excessive movement), hypomobility (restricted movement), and inflammation (pain and further movement restriction).

Step-by-step explanation:

The question relates to the types of sacroiliac joint (SIJ) dysfunction. SIJ dysfunction can occur in various forms, involving issues with the movement or stability of the joint. Considering the types of joints and their movements, the three types of SIJ dysfunction described in the options provided most closely align with:

• Hypermobility - This occurs when the joint is too mobile, which can cause pain due to the lack of stability.
• Hypomobility - Opposite to hypermobility, hypomobility is when the joint has restricted movement.
• Inflammation - This can result from either hypermobility or hypomobility and can cause pain and further restrict movement.

Note that while synovial joints like the hip can exhibit anterior-posterior, medial-lateral, and rotational movements, SIJ dysfunctions are not commonly classified by those movements, but rather by the overall functionality and stability of the joint.