A–Z Glossary

Iliac crest

The iliac crest is the top edge of the hip bones and helps mark the lower point for torso measurement.

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Choosing the right backpack size and fit for a child

Choosing the right backpack size and fit for a child

Why backpack size and fit matter A backpack changes how weight is distributed across the musculoskeletal system. When the load hangs low or away from the body, it creates a longer lever arm, increasing the effort required from the trunk and shoulder muscles to maintain balance. A child may compensate by leaning forward, rounding the […]