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Blog | City of Krugerville

City of Krugerville Leading Trampoline Park and Pediatric Catastrophic Injury Attorneys Attorney911 of Houston TX Ralph P Manginello Federal Court Admitted and Former Recreational-Business Defense Insider Lupe Peña Defeating Waivers at Sky Zone Urban Air DEFY and Altitude via the 5 Attack Vectors and Texas Fam Code 153.073 Signer-Authority Defense Anchored by the Cosmic Jump 11.485 Million Dollar Harris County Verdict Damion Collins 15.6 Million Dollar Urban Air Arbitration and Active 10 Million Dollar Rhabdomyolysis Litigation Mastery of ASTM F2970 ASTM F381 EN ISO 23659 2022 and AAP Pediatric Safety Policy for TBI SCIWORA Salter-Harris Growth Plate Fractures and Product Defect Claims Against Jumpking Skywalker Springfree and Unleashed Brands Seidler Equity Hablamos Español Free Consultation No Fee Unless We Win 1-888-ATTY-911

April 25, 2026 15 min read
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At a Saturday afternoon birthday party at a trampoline park serving Krugerville families, the atmosphere is usually a blur of neon lights, loud music, and high-velocity motion. Your child is airborne, surrounded by dozens of others in a facility that markets itself as a safe haven for family fun. Then, in two seconds, the double-bounce happens. A heavier jumper lands on the same mat just as your child is pushing off. The energy transfer multiplies the launch force by up to four times, and your child returns to the mat at an angle their developing skeletal system was never engineered to decelerate.

The sound that follows is what Kaitlin “Kati” Hill described to ABC News as “the worst scream that you could ever have heard from a child.” Her son Colton was only three when his femur snapped at a park during a “Toddler Time” session. Like many parents in Krugerville and throughout Denton County, she was told the waiver she signed at the kiosk ended her right to seek accountability.

We are here to tell you that the waiver is not the wall the park wants you to believe it is.

At Attorney911, led by Managing Partner Ralph Manginello with over 25 years of catastrophic injury experience, we have built a practice around piercing the corporate shields of the trampoline industry. We don’t just “handle” personal injury cases; we dismantle the systemic negligence that leads to pediatric trauma. Whether your child was injured at an Urban Air in Denton, a Sky Zone in Frisco, or on a backyard Jumpking or Skywalker trampoline in a Krugerville neighborhood, our firm brings federal-court-tested experience to your family’s side. We understand the physics of the double-bounce, the biology of the Salter-Harris growth plate fracture, and the corporate archeology required to reach the private equity sponsors—like Palladium Equity Partners and Seidler Equity Partners—who stand behind these national chains.

If your child is in a hospital bed at Medical City Denton, Cook Children’s, or Children’s Medical Center Dallas today, the clock is already ticking. Surveillance footage in these parks is typically overwritten in as little as seven to 30 days. We send our spoliation letters within 24 hours of being retained to ensure that the evidence of what happened in Krugerville is preserved before it vanishes.

The Reality of Trampoline Injuries in Krugerville and North Texas

Trampoline parks have exploded across the North Texas corridor, but that growth has come at a staggering cost to children. A Fort Worth Star-Telegram investigation documented roughly 500 injuries at 21 trampoline parks in the Dallas-Fort Worth metroplex over a seven-year period. In Krugerville, families are often caught between the major hubs of Denton and Frisco, where parks like Urban Air, Sky Zone, and Altitude operate under intense throughput pressure.

Nationally, the data is even more alarming. According to Teague et al. in the January 2024 issue of Pediatrics, the injury rate for foam pits is 1.91 per 1,000 jumper-hours, while high-performance jumping zones see rates of 2.11 per 1,000. For a busy park on a Saturday near Krugerville, these aren’t just statistics; they are daily occurrences.

We see the same injury patterns repeatedly:

  • Comminuted femoral shaft fractures requiring open reduction internal fixation (ORIF).
  • Salter-Harris Type II fractures of the distal tibia that can lead to permanent limb-length discrepancies.
  • SCIWORA (Spinal Cord Injury Without Radiographic Abnormality), where a child suffers paralysis despite a normal initial CT scan.
  • Exertional rhabdomyolysis, a catastrophic muscle breakdown we see in children who jump for extended periods in overheated North Texas facilities without adequate hydration.

Our firm is currently litigating a $10 million lawsuit against the University of Houston involving rhabdomyolysis and acute kidney failure. We use the same medical experts and the same institutional accountability theories in our trampoline cases as we do in our most complex university litigation. We know how to prove that your child’s injury in Krugerville was not a “freak accident”—it was the predictable output of a business model that prioritizes margin over monitor-to-jumper ratios.

Why the Kiosk Waiver Does Not Bar Your Krugerville Claim

The most common tactic used by trampoline park adjusters is to point at the digital signature you provided at the check-in desk and tell you the case is closed. In Texas, and specifically for the families we represent in Krugerville, this is a legal half-truth designed to discourage you from seeking counsel.

The Munoz Doctrine and Minor Rights in Texas

Under the landmark Texas case Munoz v. II Jaz, Inc., a parent generally cannot sign away a minor child’s personal injury cause of action in advance. While the waiver may affect the parent’s derivative claims, the child’s own right to seek damages for their pain, suffering, and medical needs often remains intact. In Krugerville and across the state, the law recognizes that a child shouldn’t be left in a precarious position because of a signature given under the pressure of a birthday party line.

The “Fair Notice” and Conspicuousness Attack

Texas law, following Dresser Industries, Inc. v. Page Petroleum, Inc., requires that any release of future negligence be “conspicuous” and meet the “express negligence doctrine.” If the waiver you signed at a park near Krugerville was buried in twenty screens of digital text, used a font size that failed to attract attention, or failed to explicitly use the word “negligence,” it may be legally unenforceable. Our associate attorney, Lupe Peña, spent years defending insurance companies and recreational businesses. He literally wrote the arguments they use today—now, he uses that “defense playbook” to find the holes in their waivers for our Krugerville clients.

Gross Negligence as a Total Carve-Out

No waiver in Texas can release a defendant from “gross negligence.” As proven in the Cosmic Jump case in Harris County, where a jury awarded $11.485 million after a teen fell through a torn trampoline mat onto concrete, the waiver does not protect a park that had subjective awareness of an extreme risk and proceeded with conscious indifference. If we can prove the park serving Krugerville knew that a mat was tearing, that an attendant was untrained, or that a foam pit was compacted below ASTM F2970 specifications, the waiver largely becomes irrelevant.

The Hidden Mechanics of Negligence at Commercial Parks

When we investigate an injury at a park near Krugerville, we look far beyond the moment of impact. We examine the systemic failures mandated by corporate headquarters that make Krugerville children less safe.

ASTM F2970 and International Standards

ASTM F2970 is the industry’s own safety floor. It dictates attendant-to-jumper ratios, age separation, and maintenance cadences. However, the United States is one of the only developed economies without a binding national standard. In contrast, the European standard EN ISO 23659:2022 is mandatory across Europe. We hold parks serving Krugerville to the highest available standards of care, arguing that “voluntary” compliance isn’t enough when a child’s spine is at stake.

Staffing Gaps and The “Don’t Call 911” Pattern

The person watching your child at a Denton County park is often a 16-to-19-year-old making near-minimum wage with as little as two hours of training. Washington State labor investigations have recently fined Sky Zone locations nearly $100,000 for child labor violations—showing a corporate culture that disregards the safety of its own teenage employees. Even more horrifying is the documented pattern of park managers instructing staff NOT to call 911 for serious injuries to avoid attracting attention. We have read the Tripadvisor reviews for parks in Southlake and throughout DFW where parents had to call emergency services themselves while staff stood by with clipboards.

The Industry Shift from Foam Pits to Airbags

The industry has known for years that foam pits are dangerous. The 2012 death of Ty Thomasson at a Phoenix park, where the foam pit was only 2’8″ deep, led to “Ty’s Law.” Today, many major chains are ripping out foam pits and replacing them with pressurized airbags. If the park in Krugerville where you were injured still uses a legacy foam pit, we argue that the industry has already admitted—through its own actions—that safer alternatives exist and were not implemented.

Backyard Trampoline Injuries in Krugerville: Manufacturer Liability

Krugerville’s geographic profile, with its mix of residential neighborhoods and large lots, means a high concentration of backyard trampolines. These residential cases require a completely different legal strategy than park cases. Instead of premises liability, these often center on strict product liability.

If a weld failed on your Jumpking frame, or if a Skywalker net enclosure tore because of UV-degradable material, the manufacturer may be liable for a design or manufacturing defect. We track the CPSC recall history for names like Bouncepro (Walmart’s private label), JumpSport, and SEGMART. In fact, a recent 2026 CPSC recall for toddler trampolines was issued specifically due to a strangulation hazard—a risk frequently seen with drawstring clothing and loose netting in Krugerville backyards.

We also apply the Attractive Nuisance Doctrine in Krugerville. If a neighbor’s trampoline was unsecured and your child wandered over and was injured, Texas law may hold the homeowner accountable for failing to secure a hazardous condition that was foreseeable to attract “children of tender years.”

The Medical and Economic Stakes for Krugerville Families

A catastrophic trampoline injury is not a “quick settlement” case. It is a long-term life-care planning event. When we represent a family in Krugerville, we don’t just calculate the ER bill at Medical City Denton. We build a comprehensive Pediatric Life-Care Plan.

Forecasting the Lifetime Cost of Recovery

A Salter-Harris fracture at age nine doesn’t just heal; it requires monitoring until skeletal maturity. If the growth plate is destroyed, your child may need corrective osteotomies at age 14 or 18. We coordinate with forensic economists and pediatric orthopedic surgeons to quantify:

  • Future medical care and surgical revisions.
  • Lost earning capacity over a 50-year adult lifespan.
  • Educational accommodations for children suffering from TBI-related cognitive decline.
  • Home and vehicle modifications for victims of permanent spinal cord injury.

As client Glenda Walker said, our firm “fought for me to get every dime I deserved.” In Krugerville, that means pursuing the full insurance tower—from the operator’s primary $1M policy up through the franchisor’s additional-insured coverage and the corporate parent’s massive excess layers.

Understanding Rhabdomyolysis and The UH Bridge

North Texas heat, combined with the extreme physical exertion of a two-hour jump session, creates a perfect storm for rhabdomyolysis. If your child has dark, “cola-colored” urine or listlessness 24 hours after a park visit, this is a medical emergency. Our $10M university litigation experience means we have the specialized medical experts ready to prove how the park’s environment in Krugerville caused this life-threatening organ failure.

Evidence Preservation: The 48-Hour Critical Window

The most important advice we give Krugerville families is this: Do not wait for the park to “check in” with you.

Every minute the park delays a response is a minute their DVR system gets closer to overwriting the incident. We have seen cases where parks claim “surveillance glitches” on multiple cameras at the exact moment of injury—as occurred in the Mathew Knight $3.5M Georgia verdict. Our firm uses forensic digital examiners to interrogate DVR hard drives and kiosk audit logs. We send spoliation letters within 24 hours of retention to freeze the evidence in Krugerville before it is “lost” or “revised.”

We advance every expense for these investigations. You pay nothing upfront, and there is no fee unless we win your case. Your child’s recovery fund stays intact while we fund the experts.

Hablamos Español: Justicia para Todas las Familias de Krugerville

Muchas de las víctimas en los parques de trampolines son de familias hispanohablantes. El abogado Lupe Peña es hispanohablante nativo y representa a nuestros clientes directamente, sin intérpretes ni retrasos. Sabemos que las aseguradoras de los parques a menudo intentan usar la barrera del idioma como una táctica de defensa. Bajo la doctrina de Delfingen US-Texas v. Valenzuela, podemos impugnar un waiver si el parque no proporcionó una traducción adecuada. Su estatus migratorio no afecta su derecho a buscar justicia para su hijo en Krugerville.

Frequently Asked Questions for Krugerville Families

Can I sue if I signed a waiver at the park in Krugerville?

Yes. As discussed, Texas law limits the enforceability of waivers against minors and in cases of gross negligence. The waiver is a defense tactic, but it is rarely an absolute bar to recovery in North Texas.

What should I do if the park refuses to give me their video of the accident?

This is a standard move. We don’t take “no” for an answer. We subpoena the DVR hardware and the access logs showing who viewed or exported the footage. If the park destroyed the video after being put on notice, we seek sanctions and an “adverse inference” instruction, where the jury is told the video would have hurt the park’s case.

How much is my child’s trampoline injury case worth?

Every case is unique, but results in North Texas range from five-figure settlements for minor fractures to “nuclear verdicts” like the $11.485M Cosmic Jump award or the $15.6M Damion Collins arbitration. We focus on the lifetime needs of your child, not just the immediate bills.

The park’s insurance company offered to pay for our deductible. Should we take it?

Never. This is the “Med-Pay Trojan Horse.” The insurer offers a small sum ($3,000 to $5,000) in exchange for you signing a release that ends your child’s $2 million claim. Do not sign anything until our firm has reviewed the document.

How long do I have to file a claim in Krugerville?

In Texas, the statute of limitations is two years, but for minors, this is often “tolled” until they turn 18. However, while the legal deadline may be years away, the evidence deadline is days away. If you wait, the witnesses disappear and the video is gone.

Is the “foam pit” really as dangerous as they say?

Yes. The biomechanics of head-first foam pit entry are identical to diving into a shallow pool. Deceleration is uneven, leading to high axial compression on the cervical spine. The industry is moving toward airbags because they know foam pits are uninsurable risks.

What if my child was double-bounced by another kid?

The park is still responsible. ASTM F2970 requires parks to separate jumpers by age and weight and to enforce one-jumper-per-mat rules. The park cannot outsource its supervision duty to a seven-year-old.

Can the franchisor be held liable for a Krugerville park’s failure?

Absolutely. Under theories of apparent agency and retained control, we go “upstream” to the franchisor and the corporate parent. This is critical because the local LLC may not have enough insurance to cover a catastrophic injury.

My child has “cola-colored” urine after jumping. What does this mean?

This is a hallmark sign of exertional rhabdomyolysis. Get to an ER immediately. Then call us. We have an active $10M rhabdo case and understand the medical proof required to hold the facility accountable for this condition.

Do I have to pay anything to start my case?

No. We operate on a 100% contingency basis. We advance all costs for biomechanical engineers, orthopedists, and accident reconstructionists. If we don’t recover money for you, you owe us nothing.

Choosing Krugerville’s Authority in Trampoline Litigation

As client Chad Harris said, “You are NOT a pest to them and you are NOT just some client… You are FAMILY to them.” We represent the families of Krugerville with the same tenacity we brought to the BP litigation and our current multi-million dollar university lawsuits.

The parent companies behind Sky Zone, Urban Air, and Altitude—PE sponsors like Palladium and Seidler—hire the most expensive defense firms in the country. They don’t intimidate us; we’ve spent 25 years beating them at their own game. We havememorized ASTM F2970, we know the exact clauses in the Urban Air waiver that failed in arbitration, and we know how to document a life-care plan that secures your child’s future.

Your child’s life changed in one jump. The trampoline park’s insurer wants to close the file. Our job is to make sure that doesn’t happen.

Call 1-888-ATTY-911. Hablamos Español. Our lines are answered 24/7. Whether you are in Krugerville, Denton, or anywhere in Texas, your consultation is free, and the case starts the moment you hang up.

Attorney911 / The Manginello Law Firm, PLLC
Houston · Austin · Beaumont · Serving Krugerville and Nationwide
1-888-ATTY-911 (1-888-288-9911)
No Fee Unless We Win.

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