Core

"The core is a popular muscle group for a good reason: Who doesn’t want protection from back pain, a healthy pelvic floor, and strength that helps power pretty much all of your limb’s movements?"https://www.shape.com/crunch-variations-for-every-fitness-level-8409635?hid=4811f21c13a7d3a5abac89f8c16272d61e5cb114&did=16400709-20250207&utm_source=shp&utm_medium=email&utm_campaign=shp-shape-daily_newsletter&utm_content=020725&lctg=4811f21c13a7d3a5abac89f8c16272d61e5cb114&lr_input=64a20f24338333901e4cb7afc40a3cfae56c6770df59fc13cf25a5ce36d78b01