In footage uploaded to her Instagram on Monday, October 21, Mahomes, 29, showed off her intense fitness routine courtesy of fitness instructor\u00a0Kirsty Rae<\/strong>. Brittany, who is expecting her third baby with husband\u00a0Patrick Mahomes<\/strong>, wore a black bodysuit while using a cable crossover machine attached to her ankle.<\/p>\n \u201cMany women experience what\u2019s called \u2018mom butt\u2019 during and after pregnancy, which happens when the glutes lose shape and muscle mass,\u201d Rae captioned the video. \u201cThis is often due to changes in posture and how we move as our bodies adjust to pregnancy.\u201d<\/p>\n The personal trainer\u00a0explained the steps other moms-to-be<\/a>\u00a0can take to prevent it, adding, \u201cBy focusing on glute engagement and maintaining strength training, you can actually continue to build muscle. It\u2019s all about proper movement, posture, and progressive overload.\u201d<\/p>\n Brittany has offered glimpses into her workouts since\u00a0she announced her pregnancy<\/a>\u00a0earlier this year.<\/p>\n \u201cRound three, here we come,\u201d Brittany and Patrick, who share daughter Sterling, 3, and son Bronze, 22 months, captioned a joint Instagram post in July.<\/p>\n Two months prior, Brittany reflected on the work that\u00a0went into her\u00a0Sports Illustrated Swimsuit<\/em>\u00a0issue<\/a>\u00a0in May.<\/p>\n \u201cPeople have asked me a lot what I did in the gym to get \u2018Swimsuit Ready\u2019. Fun fact \u2013 I shot for @si_swimsuit on literally a week\u2019s notice \ud83e\udd2a,\u201d she captioned a video of her working out. \u201cI always preach that staying consistent in the gym and fueling my body well is what helps me be the best version of myself year-round, not just during swimsuit season!\u201d<\/p>\n <\/span><\/span>Brittany took to social media after her exciting baby news to offer an update into how \u201cthis pregnancy has been the hardest\u201d on her due to \u201csickness, exhaustion and now skin\u201d problems. Patrick, 29, meanwhile, teased in July that\u00a0he is \u201cdone\u201d after three kids.<\/a><\/p>\n \u201cI said three and I\u2019m done,\u201d the quarterback told reporters at the Kansas City Chiefs training camp press conference that month. \u201cI always wanted to have kids young. I got to grow up in a locker room, and it made such an impact in my life. We\u2019re on our third kid now. \u2026 Brittany does a great job of doing that and we still go out and enjoy our life.\u201d<\/p>\n![\"\"](\"https:\/\/usdailys.com\/wp-content\/uploads\/2024\/10\/How-Pregnant-Brittany-Mahomes-Avoids-Mom-Butt-300x300.webp\")
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