Pelvic lift

[3] The pelvic floor is a "broad sling of muscles, ligaments and sheet-like tissues that stretch from your pubic bone at the front of your body, to the base of your spine at the back".

[4] The pelvic floor is resistant to stretch and weight as it bounces back.

However, after carrying weight for long periods of time, it can become stretched.

[4] Additionally, weight on the pelvic floor can weaken its resistance and contribute to its loss of shape over time.

[4] Performing this exercise routinely can strengthen glutes, abs, and lower back muscles.

Pelvic lift (Source: Centers for Disease Control and Prevention, cdc.gov)