MSI Press Blog

  Moving Your Body in the First Trimester: Gentle Strength in a Time of Change The first trimester can feel like a paradox. On the outside, little has changed. Inside, everything is in motion—hormones rising, blood volume increasing, energy fluctuating hour by hour. In the middle of that quiet upheaval, movement can become a way to stay connected to your own steadiness. A healthcare professional who knows your medical history can help you understand what’s appropriate for you, and within that guidance, there is room for movement that supports comfort, circulation, and emotional grounding. What Makes the First Trimester Unique Early pregnancy often brings sensations that shape how—and how much—you move. Many people notice: Fatigue that arrives suddenly , making long workouts feel unrealistic. Nausea or food aversions , which can affect timing and comfort. Breast tenderness , making high-impact activity uncomfortable. Shifts in balance and blood pressure , which can cause lightheaded...

           Recently released: audiobook edition of  Girl, You Got This!   Anxiety Anonymous   by Brittany Renz. Book description: Girl, You Got This: A Complete Guide to Thriving Through Pregnancy and Motherhood Becoming a mom is one of life’s biggest transitions—and it’s okay to want a little guidance along the way. In  Girl, You Got This , certified personal trainer, entrepreneur, and mom of (almost) two Brittany Renz shares expert advice, real-life experience, and empowering encouragement to help you navigate every stage of your motherhood journey—from preparing your body for pregnancy to delivery day and beyond. This comprehensive guide covers it all: • How to prepare for conception with intention and confidence • Fitness tips tailored to each trimester • What to expect physically and emotionally during pregnancy • Strategies for staying healthy, strong, and grounded through all the changes • Encouragement from someone who's living i...

  Coming soon! Watch for it!  Grandma's Ninja Training Diary  (Leaver and Renz) Grandma’s Ninja Training Diary  is the inspiring true story of a 70-year-old grandmother who dares to dream big—by training for  American Ninja Warrior . Teaming up with coach and trainer Brittany Renz, she embarks on a three-year journey to build strength, resilience, flexibility, balance, and endurance—starting from scratch. Told in a dynamic mix of diary entries, coaching insights, and behind-the-scenes reflections, this book chronicles the ups and downs of late-in-life athletic training. From gym workouts to rock climbing, yoga to injury recovery, sleep to mindset—every aspect of the transformation is explored with honesty and humor. Grandma shares what she’s learning; Coach Brittany explains why she’s right—or wrong. Together, they offer a realistic, encouraging look at what it takes to pursue an extraordinary goal at any age. Part training manual, part motivational memoir,...