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Town of Highland Park Trampoline Park Injury Attorney Ralph Manginello & Attorney911 of Houston TX Leverage 25 Years Federal Court Experience & Former Recreational Defense Insider Waiver-Defeat Edge To Hold Sky Zone Urban Air DEFY Altitude & Corporate Parents Palladium Equity & Unleashed Brands Accountable For Pediatric TBI SCI Salter-Harris Growth Plate & Rhabdomyolysis Following Cosmic Jump $11.485M Harris County Verdict & Damion Collins $15.6M Urban Air Arbitration Success Mastery Of ASTM F2970 AAP & EN ISO 23659:2022 Standards Plus Tex Fam Code 153.073 & Delfingen Bilingual Attacks For Town of Highland Park Families At Childrens Medical Center Dallas Level 1 Trauma Bays 1-888-ATTY-911 Hablamos Español No Fee Unless We Win

April 25, 2026 11 min read
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“It’s the worst shout you could ever hear from a child.” For Kaitlin Hill, that moment at a trampoline park didn’t just signal a broken bone; it was the start of a nightmare where her three-year-old son Colton ended up in a body cast. In Town of Highland Park, where family life centers on the Highland Park High School “Scots” spirit and elite youth athletics, an afternoon at a local trampoline park is often seen as a standard weekend activity. But at The Manginello Law Firm, we know the truth that many parents in the Park Cities only discover in the trauma bay at Children’s Medical Center Dallas: these facilities are often business-driven environments where safety standards are treated as optional suggestions.

Whether your child was injured at an Urban Air in Southlake, a Sky Zone in Frisco, or on a premium Springfree trampoline in your own Town of Highland Park backyard, your family deserves more than an insurance adjuster’s “friendly check-in.” You need an advocate who has spent over 25 years making corporate giants like BP and Walmart pay for their negligence. Ralph Manginello and our team don’t just “handle” personal injury cases; we dismantle the legal shields trampoline parks use to hide from accountability. We know the industry safety standards like ASTM F2970 by heart, and we know exactly how to prove that the “waiver” you signed at the kiosk is not the ironclad barrier the park wants you to believe it is.

One Bounce and a Lifetime of Consequences

Imagine a Saturday afternoon near NorthPark Center or heading up the Dallas North Tollway to one of the massive adventure parks in the surrounding Dallas County area. The court is packed. The music is loud. Your eight-year-old is excited. Within 30 minutes of arrival, they are being double-bounced by an older teen the “court monitor” should have separated. Their feet hit the mat, their knees buckle, and you hear that scream. In two seconds, the carefree fun of the weekend is replaced by the sterile reality of a comminuted femoral shaft fracture and the terrifying terminology of Salter-Harris growth plate damage.

We’ve seen what happens next. The park manager might offer you a refund or a bag of ice while their risk management team is already looking for ways to blame your child. At Attorney911, we act faster. Our associate attorney, Lupe Peña, used to sit on the other side of the table—defending insurance companies and recreation businesses from these exact claims. He knows the playbook they use to “downplay” injuries, and he speaks Spanish natively, ensuring that our Hablamos Español commitment is a real asset for families throughout the metroplex. We understand that in Town of Highland Park, your child’s athletic future is a significant part of their development. When a growth plate is destroyed at age nine, it isn’t just a medical bill; it’s a decade of orthopedic monitoring, potential corrective surgeries, and a lost scholarship pathway.

The Physics of Negligence: ASTM F2970 and the Industry’s Failure

Most personal injury firms can’t tell you what ASTM F2970-22 requires. We can. This is the safety standard the trampoline park industry actually wrote about itself to establish a minimum safety floor. It dictates everything from attendant-to-jumper ratios to foam pit depth. When a park in the Town of Highland Park area violates these provisions, they are operating below the bar their own peers set.

The core of many catastrophic injuries is double-bounce energy transfer. When a 200-pound adult lands on an interconnected court bed at the same instant a 60-pound child from Town of Highland Park is pushing off, the physics multiply the child’s launch force by up to 4x. The child isn’t just jumping; they are being catapulted. ASTM F2970 requires parks to operationalize age and weight separation specifically to prevent this, yet on a busy weekend at Urban Air or Sky Zone, those rules are the first to be ignored to maximize throughput.

We also compare these American voluntary standards to international requirements like EN ISO 23659:2022. While Europe mandates strict safety requirements for foam pits and airbags, many parks in Texas still operate with foam pits that are compacted past specification, essentially providing the impact of unpadded concrete beneath a thin layer of foam. This was the mechanism in the Cosmic Jump case in Harris County, where a jury awarded $11.485 million—including $6 million in punitive damages—after a teenager fell through a torn slide onto concrete. The waiver was signed, but the jury found gross negligence. That is the Texas anchor for our practice: we know how to prove that a park’s conscious indifference to safety voids any piece of paper they made you click “agree” to.

Dismantling the Waiver: Why Texas Law Protects Your Child

If you’re in Town of Highland Park and you’ve been told you can’t sue because you signed a waiver, do not believe it. The waiver is noise, not a wall. Under the seminal Texas case Munoz v. II Jaz Inc., a parent generally cannot sign away a minor child’s personal injury cause of action in advance. Your child did not consent to the risk of an unmaintained foam pit or an inattentive 17-year-old monitor.

Furthermore, we apply the Dresser Industries v. Page Petroleum “fair notice” doctrine to every Texas waiver we encounter. If the park’s release didn’t use the specific word “negligence” conspicuously enough to attract a reasonable person’s attention, it may be legally void in our state. For families in the Park Cities who primarily speak Spanish, we also leverage the Delfingen US-Texas v. Valenzuela doctrine—attacking the formation of the contract if it was provided only in English without a meaningful opportunity to understand it.

We even take on the new challenges like the 2025 Cerna v. Pearland Urban Air ruling. While that case gave operators a win on “delegation clauses,” it didn’t end the case; it simply moved the fight to arbitration. Arbitration doesn’t scare us. Damion Collins won $15.6 million in arbitration against Urban Air after the arbitrator found a “systemic failure” to implement safety changes. We treat an arbitration the same way Ralph Manginello treats a federal court trial: with total preparation and an aggressive expert-led strategy.

The Hidden Medical Emergency: Exertional Rhabdomyolysis

One of the most under-recognized risks for Town of Highland Park kids is something we have unique experience litigating: rhabdomyolysis. We are currently handling a $10 million lawsuit against the University of Houston involving this catastrophic muscle and organ breakdown. If your child jumped continuously for 90 minutes in a heated indoor park and later developed cola-colored urine, extreme muscle pain, or confusion, they may be facing acute kidney failure.

Parks often lack hydration protocols and fail to train staff to recognize heat illness. The same medical architecture and expert team we use in the UH case apply directly to trampoline-park rhabdo. We know how to document the myoglobin cascade and hold the institutional defendant accountable for failing to monitor the kids in their care.

The 48-Hour Evidence Window

The clock starts the second you leave the park. Surveillance DVRs at major chains typically overwrite in as little as 7 to 30 days. The incident report you saw at the park might be “revised” or sanitized by corporate risk management within 48 hours. If we wait, the truth disappears.

The moment you retain Attorney911, our paralegal-grade scaffolds are deployed. Our spoliation letter goes out to the park, the franchisor (like UATP Management for Urban Air), and the corporate parent (like Sky Zone, Inc., currently backed by Palladium Equity Partners) within 24 hours. We demand the preservation of not just the video, but the kiosk audit logs, the monitor training files, and the daily inspection records. If the video “glitches” at the moment of injury—as it did in the Mathew Knight $3.5M case in Georgia—we move for adverse inference sanctions. We don’t just “request” evidence; we secure it.

Comprehensive Representation for Town of Highland Park Families

Whether your case involves a commercial park or an attractive nuisance claim on a neighbor’s backyard trampoline, we identify every layer of insurance. We look for the primary GL, the umbrella policies, and the franchisor’s “additional insured” coverage. If a Jumpking or Skywalker trampoline failed in your Town of Highland Park backyard, we pursue the manufacturer for design or manufacturing defects, leveraging the history of CPSC recalls.

You pay nothing unless we win. We advance the costs for the biomechanical engineers, the pediatric orthopedic surgeons, and the life-care planners required to prove the full extent of a pediatric traumatic brain injury or spinal cord injury. Ralph Manginello has secured multi-million dollar results for families just like yours because we treat every client like family. As our client Chad Harris said, “You are NOT just some client… You are FAMILY to them.”

FAQs for Town of Highland Park Parents

What should I do if my child got hurt at a Sky Zone in Town of Highland Park?
First, seek immediate medical care at a facility like Children’s Medical Center Dallas. Do not give a recorded statement to the park’s insurer. Call us at 1-888-ATTY-911 within the first week so we can send a spoliation letter to stop the park from overwriting its surveillance video, which often happens in less than 30 days.

Can I sue Urban Air if I signed a waiver in Town of Highland Park?
Yes. Under Texas law, specifically the Munoz ruling, you cannot generally waive your minor child’s right to sue for their injuries. Even for adults, we attack waivers for gross negligence and lack of conspicuousness. If the park violated safety standards like ASTM F2970, the waiver often fails to protect them.

How long do I have to sue a trampoline park in Texas?
Texas typically has a two-year statute of limitations for personal injury under CPRC § 16.003. While this is tolled for minors until they turn 18, waiting is dangerous because critical evidence like witness statements and video recordings will vanish long before the legal deadline.

How much money can my family get for a trampoline injury settlement?
Settlement values depend on the severity of the injury and the clarity of the park’s negligence. Catastrophic cases involving spinal injuries or TBIs can reach the multi-million dollar range, as seen in the $11.485M Cosmic Jump verdict. We build “Life Care Plans” to ensure your child’s needs are covered for 50+ years, not just the next five.

Is my child’s headache after a trampoline accident normal?
No, a persistent headache after an impact can be a sign of a traumatic brain injury (TBI) or post-concussive syndrome. You should seek a second opinion from a pediatric neurologist if symptoms don’t resolve, as these injuries can cause lifelong cognitive decline in a developing brain.

Should I let the trampoline park’s insurance company pay my hospital bill?
Be very careful. Insurance companies often offer a “Medical Payment” or “Med-Pay” check for a few thousand dollars that includes a release of all future claims on the back of the check. By cashing it, you could be waiving a multi-million dollar claim for a fraction of its value. Talk to us before signing any checks from the insurer.

The Choice That Defines Your Recovery

Town of Highland Park families have a choice. You can hire a generalist firm that handles slip-and-falls, or you can hire a team that has taken on Fortune 500 companies and understands the systemic architecture of the trampoline industry. We don’t just file papers; we build cages for negligent defendants.

Ralph Manginello’s 25 years of experience means we’ve already fought the kind of corporate lawyers Sky Zone and Urban Air employ. We aren’t intimidated by private equity owners like Seidler Equity or Palladium. We are focused on one result: getting your child the resources they need to recover.

The clock is running. The video or incident report that wins your case could be deleted this week. Call 1-888-ATTY-911 today. Hablamos Español. No fee unless we win.

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