As Baseball Season Begins With New Rules, ZetrOZ Systems’ sam Technology is Critical for Mitigating Injury Risk

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Studies show hamstring and UCL injuries are most common in opening weeks, and sustained acoustic medicine is effective treatment for those soft-tissue injuries.

Baseball is back, which means balls and strikes, hits and homers - and hamstring injuries. Studies show baseball's most common injury, hamstring tendon tears, is more prevalent in the season's first weeks, as is a common elbow injury. And this spring, both could become more frequent as rule changes reduce players' recovery time between pitches and plays. One way to mitigate the risks of these injuries is ZetrOz Systems' sustained acoustic medicine sam® device, which effectively treats soft-tissue injuries and can help players stay on the diamond.  

The ZetrOZ sam® X1 and 2.0 devices are the only FDA-cleared wearable ultrasound units approved for daily home use. The low-intensity, long-duration ultrasound technology expedites the injury healing process without invasive surgery or potentially addictive painkillers and is clinically proven by more than 40 studies to reduce pain and improve function. 

"We work with medical professionals nationwide, from orthopedic surgeons to athletic trainers, and they have used sam® to successfully treat thousands of professional and amateur athletes," said Dr. George Lewis, founder and CEO of ZetrOZ Systems. "We know those injuries are more likely to occur at the start of a season, especially in baseball, and our technology can help mitigate risk and improve healing of those injuries."   

Several studies document the prevalence of injuries early in a season. A 2019 study in The Orthopaedic Journal of Sports Medicine used six years of Major League Baseball's own injury tracking database to examine trends in hamstring injuries, which it found was the most common injury in baseball.

"In various professional sports leagues (NFL, NBA, MLB), hamstring strains have been found to occur earlier in the season. Our study found similar results, with the highest number of hamstring sprains in April and May," the authors reported. "These factors may have an association with poor conditioning at the start of the season." 

About 40 percent of hamstring injuries occur in April and May, the analysis found. The rate of hamstring strains in Major League Baseball increased from one injury every 39 games in 2011 to one in every 30 games in 2016, with a similar trend in minor league baseball.  

The pattern was the same in injuries to the elbow's ulnar collateral ligament (UCL), according to a 2021 report from the Journal of Shoulder and Elbow Surgery, with April and May as peak months for UCL injuries. They also found that injuries within the first 90 days of the season were more severe, more commonly requiring surgery to repair them.

"Throwing athletes may have increased risk for an elbow injury at the start of the season because they have not attained midseason levels of muscle strength and endurance," the authors wrote. They also found that pitchers' shoulders had less range of motion early in the season, likely making them more vulnerable to injury. 

Some observers fear injuries will be more common this year, with Major League Baseball now using a pitch clock that requires pitchers to throw to the batter within 15 seconds, or 20 seconds with a runner on base. That means pitchers have less recovery time between pitches, and batters have less recovery from swings or from running out foul balls. 

A 2016 study in the Journal of Sports Science modeled the effects of the shorter rest period on pitching. The authors found that players would have more fatigue in the forearm muscles that stabilize the elbow, "increasing strain on the ulnar collateral ligament (UCL) and possibly increasing injury risk." 

Treatment with ZetrOZ's sam® technology effectively treats injuries to tendons of the leg, elbow and other areas of the body. Among many studies demonstrating the system's efficacy, a 2015 level 4 clinical study by sports medicine experts at The Ohio State University and Duke University found sustained acoustic medicine delivered via ZetrOZ's sam® reduced pain and improved strength in patients' medial/lateral elbow tendons and Achilles' tendons.  

Sustained acoustic medicine works by increasing blood vessel diameters to improve blood flow. That increases oxygenated hemoglobin at the site of the therapy and removes cytokine enzymes and cellular waste, with a result of more rapid healing and reduced pain. 

"We know from our relationships with trainers across professional and college sports, as well physicians treating recreational athletes, that sam® heals athletes' soft-tissue injuries more rapidly and helps players stay on the field or return to it more quickly," Lewis said. "As baseball season begins and teams adapt to this new environment, sam® is available to help players stay healthy and on the diamond doing what they love." 

ZetrOZ Systems' sam® technology was developed in part with funding from the National Institute of Health, National Science Foundation, Department of Defense and NASA. ZetrOZ Systems products are designed and manufactured in the United States and are protected by 46 U.S. patents.  

To learn more, visit

About ZetrOZ Systems 

ZetrOZ Systems is leading healing innovations in sports medicine, developing wearable bioelectronic devices for the delivery of sustained acoustic medicine (sam®). Researched and funded by the federal government, ZetrOZ is built on the proprietary medical technology of +46 patents and is the exclusive manufacturer and developer of the sam® product line, which is designed for the treatment of acute and chronic musculoskeletal conditions. 

Contact Information:
Maria Penaloza

Original Source: As Baseball Season Begins With New Rules, ZetrOZ Systems' sam Technology is Critical for Mitigating Injury Risk

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New Children’s Picture Book Addresses Bullying, Body Image, Weight-Shaming and Self-Esteem, Opening Opportunities for Important Conversations Between Kids and Adults

'Chubby the Bear’s Big Choice,' by Author Daryl R. McCullough and Illustrated by Maryanne Smith, Sets Its Story Among the Enchanting California Redwoods, Where a Young Bear Fends Off Bullies and Self-Doubt and Regains Self-Esteem and Acceptance

New Children’s Picture Book Addresses Bullying, Body Image, Weight-Shaming and Self-Esteem, Opening Opportunities for Important Conversations Between Kids and Adults
'Chubby the Bear's Big Choice'

Author Daryl R. McCullough?s second book, 'Chubby the Bear?s Big Choice,' is set in a California redwood forest and tells the story of a sensitive, young bear struggling with bullies and his self-esteem issues.

Author Daryl R. McCullough’s second book, “Chubby the Bear’s Big Choice,” is set in a California redwood forest and tells the story of a sensitive, young bear struggling with bullies and self-esteem issues. This tender new book offers children, parents, and others of all ages an engaging story with several timely lessons on bullying, body image, weight-shaming, and self-esteem to be shared and discussed. Parents and children’s therapists have already heralded the book as an essential tool on the subject matter. Order now at Amazon, Barnes & NobleTarget or Archway Publishing.

Chubby is a fitting follow-up to McCullough’s award-winning first book “The Story of Tree and Cloud” — 1st Place, Pen Craft Awards; Finalist/5-Stars, “Reader’s Choice Book Awards”; 1st Place, “Firebird Awards”; and 3rd Place, “Best Children’s Book" and "Best Illustrated & Picture Book," Spring 2022, Outstanding Creator Awards. “Tree and Cloud” is a story about loss and managing grief, also set among California’s natural beauty, starring a California live oak tree named Folie and her new friend Puddle. “Chubby the Bear’s Big Choice” is similarly illustrated — not as a cartoon, but in a pure and naturalist style — by McCullough’s 80-year-old aunt Maryanne Smith, an acclaimed nature artist from Pennsylvania. 

“I grew up a chubby child who was bullied and weight-shamed by my peers and even by teachers and staff in grade school,” McCullough said. “I hope that by sharing this story, any child who might be dealing with these issues and feelings can find the strength to talk about it with their parents and learn self-care. 

“Of course, I also hope the story might thwart a bully or two, providing a teachable moment for them that our individuality is powerful, and compassion is paramount in any friendship,” McCullough said.

The story follows its hero, Chubby, a sensitive young bear cub with a rare talent for befriending honeybees and perhaps enjoying too much of their honey. Bullied by other bear cubs in the forest, Chubby finds solace by retreating up in the air, high in the branches of the redwood trees. One day, Chubby’s mood gets lifted by his forest friends — a sweet raccoon and a wise beaver — and Chubby embarks on a journey to reclaim his self-esteem, choosing to teach the other cubs a lesson along the way. Ultimately, Chubby takes the high road and shows others he is emotionally mature enough to stand up for himself while showcasing his strengths in a thrilling culmination of the tale, which ends happily for all.

Available now, the book invites readers of all ages to embark on a powerful journey of self-discovery and empathy and helps foster essential conversations and empower the next generation. 

“This magical story touched my heart and reminded me how, as a mother of two fabulous daughters, I always had my eye on bullying, particularly when it came to body shaming. Bullies teach us all how not to behave! Conversely, I taught my girls that staying connected with their bodies and loving and sharing their unique gifts with others were some of the healthiest ways to care for themselves and live fulfilled lives. Life is indeed a gift, so like Chubby, let’s all choose love, acceptance, and kindness!” — Melora Hardin, Emmy-nominated star (“The Office,” “Transparent,” “Dancing with the Stars,” “Monk”)

“Chubby the Bear’s Big Choice” by Daryl McCullough 
ISBN: 9781665749640 (Softcover); 9781665749664 (Hardcover); 9781665749657 (Ebook)

About the Author

Daryl McCullough is a professional writer and marketing communications executive who loves creative expression. He lives and works in the Los Angeles area with his husband George Griffin; together, they have a marketing communications and social media business, McGriffin Media. He is formerly CEO and now Chair Emeritus of Citizen Relations, a global brand marketing firm. The family adores their dog, Ferdinand, named after another delightful book. 

About the Illustrator

Maryanne Smith is a talented 80-year-old artist. She has designed and painted many high-end wallpaper designs for the premier York Wallcoverings. She has sold many works of art drawn from nature, and “Chubby the Bear’s Big Choice” is her follow-up to “The Story of Tree and Cloud.” She is from York County, Pennsylvania. Prints of images from each book are available for purchase.

Contact Information:
Melissa Penn

Original Source: New Children’s Picture Book Addresses Bullying, Body Image, Weight-Shaming and Self-Esteem, Opening Opportunities for Important Conversations Between Kids and Adults
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