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Blog | City of Humble

City of Humble Trampoline Park Injury Attorney and Pediatric Catastrophic Accident Lawyers at Attorney911 of Houston TX: 25-Year Federal Court Admitted Partner Ralph Manginello and Former Defense Counsel Lupe Peña Defeat Sky Zone and Urban Air Waivers with ASTM F2970 and EN ISO 23659:2022 Standards Mastery Proven by the $15.6M Urban Air Arbitration against Unleashed Brands Seidler and $11.485M Cosmic Jump Harris County Verdict for Pediatric TBI SCIWORA Salter-Harris Growth Plate Fractures and Rhabdomyolysis throughout Sky Rider Ziplines Climbing Walls and Backyard Jumpking Springfree or Skywalker Manufacturer Defect Cases featuring Hablamos Español under Delfingen and Beaumont v Geter doctrine 1-888-ATTY-911 No Fee Unless We Win

April 26, 2026 17 min read
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“His feet hit the mat, and almost instantly his knees buckled down, and he just let out the worst scream that you could ever have heard from a child.” Those were the words of Kaitlin “Kati” Hill, a mother whose three-year-old son Colton suffered a broken femur and spent weeks in a body cast after a trampoline-park accident. Her warning, shared hundreds of thousands of times, resonates with every parent who has sat in a Humble emergency room waiting for news. At the Urban Air on Highway 59 in Humble or the Cosmic Air in the surrounding metro, families expect that the safety rules are being followed. They expect that the teenage court monitor is properly trained. They expect that the “waiver” signed at a fast-moving kiosk was a fair notice of risk, not a total immunity shield for the park’s own negligence.

The truth about the trampoline industry is that it operates in a regulatory vacuum. While you might assume a state or federal agency inspects these facilities, no such oversight exists in Texas. The industry exists under a voluntary consensus standard — ASTM F2970-22 — that the trampoline park owners essentially wrote about themselves. When a child is hurt in Humble, the park’s first move is to point at the iPad scanner and tell the parents they signed away their rights. We have spent over 25 years proving they are wrong. Our managing partner, Ralph Manginello, has taken on multi-national corporations like BP after the Texas City refinery explosion. Our team includes senior associate Lupe Peña, who previously defended the very insurance companies and recreational facilities we now litigate against. He knows the waiver language they use because he used to write it. Hablamos Español. Llame al 1-888-ATTY-911 para hablar con Lupe.

If your child was injured in Humble, you don’t just have a “personal injury” claim. You have a complex piece of corporate litigation. In Harris County, Texas, the legal benchmark was set in the Cosmic Jump $11.485 million verdict, where a jury awarded $6 million in punitive damages against a Houston-area park operator who ignored a torn trampoline mat until a teenager fell through it onto bare concrete. That jury found gross negligence, proving that in Harris County, a signed waiver is not a wall. It is noise.

The Physics of a Humble Trampoline Park Injury

What most Humble families describe as an “accident” is, to a biomechanical engineer, a predictable transfer of energy. The most common mechanism we see at facilities near Highway 59 and Beltway 8 is the double-bounce. This isn’t just “jumping together.” When a 200-pound adult lands on a trampoline bed at the same moment an 80-pound child is pushing off, the energy transfer multiplies the child’s launch force by up to four times. The child isn’t jumping anymore; they are being launched like a projectile.

ASTM F2970-22 and the international standard EN ISO 23659:2022 are explicitly clear on this: trampoline parks must operationalize age and weight separation. When an Urban Air or Sky Zone monitor allows a teenager and a toddler on the same court, they are violating the industry’s own safety floor. The resulting impact produces catastrophic pediatric fractures, such as a Salter-Harris Type II fracture of the distal tibia. This is an injury to the growth plate — the cartilage zone where bone development happens. If your child is nine years old and their growth plate is destroyed in Humble, the damage may not fully manifest for five years, eventually resulting in a measuring leg-length discrepancy or permanent angular deformity of the limb.

We represent families, not files. Just as client Chad Harris said, “You are NOT just some client… You are FAMILY to them.” We treat the parent at the trauma-bay bedside with a depth of accountability most firms cannot match. Most personal injury firms in Harris County can’t tell you the difference between an ASTM F381 home standard and F2970 commercial standard. We cite them by heart. If your child is currently at a Humble medical facility, call 1-888-ATTY-911. The park’s surveillance DVR is already counting down to overwrite.

Who Is Watching Your Child in Humble?

The person responsible for keeping your child alive at a Humble trampoline park is typically a 16-to-19-year-old minimum-wage monitor with roughly two to four hours of training. According to the International Association of Trampoline Parks (IATP), only a tiny fraction of the 15,000 to 20,000 park employees in the United States hold any safety certification. In Texas, there is no requirement for these monitors to be certified in CPR or first aid.

This staffing gap is a business decision. National chains like Sky Zone, Inc. (formerly CircusTrix, backed by Palladium Equity Partners since 2018) and Unleashed Brands (the parent of Urban Air, acquired by Seidler Equity Partners in 2023) operate on tight margins. When throughput at a Humble location peaks on a Saturday afternoon, the attendant-to-jumper ratio often collapses from the best-practice 1:32 to 1:60 or worse. One teenager cannot watch 60 kids. When that teenager is on their phone or chatting with a co-worker, the park is in a state of conscious disregard for your child’s safety.

We are currently litigating a $10 million lawsuit against the University of Houston involving rhabdomyolysis and acute kidney failure — the same muscle breakdown we see in children who are allowed to jump for two hours straight in heated facilities without hydration protocols. Humble’s climate, with its high humidity and heat, compounds this risk. If your child has dark-brown, cola-colored urine after a park visit, they are in a medical emergency. The park will tell you it’s not their fault because of the waiver. Our former defense attorney Lupe Peña knows better. We use their internal training manuals against them to show they knew the risk and chose the profit.

Why the Humble Urban Air or Sky Zone Waiver Isn’t the End

Every parent in Humble has clicked “I Agree” on an iPad at a check-in kiosk. The park’s insurance adjuster will call you within 48 hours and casually mention that waiver as if it’s a closed door. They might even offer a “Med-Pay” check of $3,000 for your ER copay in exchange for a signature on a “satisfaction” form. Do not sign it. Do not deposit the check.

In Texas, the release of liability is governed by the Dresser v. Page Petroleum fair-notice doctrine. A waiver must be conspicuous and use the specific word “negligence.” More importantly, the 1993 ruling in Munoz v. II Jaz Inc. established that a parent in Texas generally cannot sign away a child’s own personal cause of action. While the May 2025 Texas Supreme Court ruling in Cerna v. Pearland Urban Air enforced a delegation clause for arbitration, it did not grant the park total immunity.

We attack the waiver on multiple fronts:

  1. Gross Negligence: A park cannot waive liability for a conscious disregard of safety (as seen in the Cosmic Jump $11.485M Harris County verdict).
  2. Signer Authority: Under Texas Family Code § 153.073, only a legal guardian can bind a child. If a grandmother, aunt, or family friend at a birthday party in Humble signed for your kid, the waiver is often void.
  3. Bilingual Defeat: Per the Delfingen doctrine, if your primary language is Spanish and the park only provided an English waiver at a rushed kiosk, the contract may not have been validly formed.

Our associates are ready to speak with you today in English or Spanish. Hablamos Español. Llame al 1-888-ATTY-911.

The Evidence Clock: Humble’s 72-Hour Window

By the time the EMS unit leaves the Humble park parking lot, the operator’s risk-management team is already working to protect the corporation. Park surveillance video is being overwritten. On some systems, the tape is gone in seven days. Incident reports are being “finalized” — which often means revised by corporate counsel to minimize the park’s fault.

When you hire Attorney911, our spoliation letter goes out by certified mail within 24 hours. We demand preservation of:

  • Multi-angle surveillance footage including the 24 hours before the incident.
  • Internal Slack or email communications using our digital forensic tools (Cellebrite, Magnet AXIOM).
  • The original incident report metadata to see who “corrected” the file.
  • Attendant time-clock records to prove the attraction was understaffed.

If the park’s video “glitches” at the moment of injury, we invoke the Mathew Knight precedent, where a Georgia jury awarded $3.5 million after cameras conveniently failed. We don’t accept “it’s not available” as an answer. We use our federal court experience to force production.

Catastrophic Injuries We Litigate in Harris County

A “broken arm” at a trampoline park is often a Gartland Type III supracondylar humerus fracture, an emergency requiring percutaneous pinning. A “hurt neck” in a Humble foam pit is often SCIWORA (Spinal Cord Injury Without Radiographic Abnormality). Because children have more flexible spines, the cord can be crushed even when the X-ray looks normal. If a park employee told you your child “seems fine” and didn’t call 911, they may have extended the window of cord ischemia, resulting in permanent paralysis.

Our firm builds a Pediatric Life-Care Plan (LCP) for every catastrophic case. We retain pediatric orthopedic surgeons and life-care planners to project the next 60 years of medical costs. We know a growth plate injury at age eight means a measurable leg-length discrepancy at age 14. We don’t settle for the ER bill; we settle for the child’s future.

Frequently Asked Questions – Humble Trampoline Injuries

Can I sue if I signed the Urban Air waiver in Humble?

Yes. Texas law has very specific requirements for waivers, and they cannot release a park from gross negligence. If the park failed to maintain its equipment or violated ASTM F2970 staffing ratios, the waiver can be defeated. In Harris County, juries have repeatedly held parks accountable despite signed releases.

What should I do if my child has a head injury after jumping in Humble?

If your child has a persistent headache, vomiting, or confusion, go to an emergency room like Texas Children’s Hospital immediately. Do not let the park’s insurance adjuster talk to you until you have spoken with a lawyer. Concussions can have delayed-onset symptoms like academic regression or behavioral shifts that don’t appear for months.

How much is a trampoline park injury settlement worth?

Settlements depend on the severity of the injury and the insurance layers available. While every case is unique, national benchmarks for catastrophic spinal injuries or TBIs range from $3 million to over $15 million. Small fracture cases often settle in the high five or six figures. We look beyond the local operator LLC to the corporate parents like Unleashed Brands and Sky Zone Inc to find the excess insurance towers.

How long does a trampoline lawsuit take in Texas?

The statute of limitations in Texas is generally two years. However, claims for minors are often tolled until they turn 18. Despite this legal window, you must act within the first week to preserve surveillance footage. Most cases in Harris County take 12 to 24 months to resolve if they proceed to litigation.

Who is liable for a Humble backyard trampoline accident?

In backyard cases, liability can rest with the homeowner (premises liability), the manufacturer for a design defect (like Jumpking or Skywalker), or even the retailer like Walmart or Amazon. If a neighbor’s child was hurt, the “attractive nuisance” doctrine may apply, holding the homeowner responsible for an accessible and dangerous piece of equipment.

Contact Attorney911: Humble Trampoline Injury Lawyers

If your child’s life changed in one jump, you need an attorney who has spent 25 years making corporate defendants pay. We have the BP refinery litigation experience to take on private equity parents like Palladium and Seidler. We have the medical architecture from our current $10 million University of Houston rhabdo case to prove the physiology of your child’s injury.

We operate on a contingency basis. You pay nothing unless we recover money for you. We advance every expense — the biomechanical engineer, the pediatric surgeon, the forensic economist.

Call 1-888-ATTY-911 today. We answer 24/7. Our spoliation letter is ready. We represent families in Humble, across Harris County, and nationwide. Don’t let a kiosk waiver be the last word. We were built for this fight.

The Hidden Danger of Humble’s Multi-Attraction Parks

Humble residents of Urban Air or Cosmic Air see more than just trampolines. These facilities have moved to a “Family Entertainment Center” (FEC) model, bolting on go-karts, Sky Rider ziplines, and climbing walls. These adjunct attractions are often even more dangerous. On December 6, 2025, six-year-old Emma Riddle was killed in an Urban Air go-kart accident in Florida where the kart allegedly surged into a wall despite no driver input. In Gastonia, Matthew Lu died after an attendant failed to attach his climbing wall harness at an Altitude park.

When these non-trampoline attractions fail, the park’s standard trampoline waiver may not even apply. We look for these “scope gaps” in every case. In Texas, these mechanical rides like the Sky Rider are regulated as Class B inflatables by the Texas Department of Insurance, even though the trampolines themselves are not. We pull the TDI inspection stickers and records for every Humble park we investigate.

As client Donald Wilcox said, “One company said they would not accept my case. Then I got a call from Manginello… I got a call to come pick up this handsome check.” We take the difficult cases that other firms decline because we understand the corporate architecture of the trampoline industry.

Negligent Supervision and the “NOT Call 911” Pattern

A parent review of an Urban Air in Texas stated that management specifically instructs employees NOT to call 911 and tries to downplay injuries. This isn’t just bad customer service; it’s a litigation lever. If a Humble park delayed medical care for your child to protect their reputation, that is evidence of gross negligence. By the time you call us at 888-ATTY-911, the park’s risk team has already started their defense. We start our attack within 24 hours.

Your child is not a number on an incident report. They are a family member whose future is at stake. Call (888) 288-9911. The consultation is free. Hablamos Español. Our offices in Houston and Beaumont are the launch point for accountability in Humble and beyond.

Understanding salter-harris fractures in children

When your child is hurt on a Humble court, the orthopedic surgeon may refer to a “Salter-Harris” fracture. Most parents assume it’s a simple break. It is not. Pediatric bone is biomechanically distinct — more pliable than adult bone but with an open growth plate (physis). A Salter-Harris Type V crush injury can lead to permanent growth arrest. Because Humble is served by top-tier Level 1 trauma centers like Texas Children’s, we have the expert network to document this damage from day one.

We represent the parent at the trauma-bay bedside watching a surgeon explain what happens when a growth plate is destroyed at age nine. We build the Life-Care Plan that accounts for the corrective osteotomy they may need in five years. Most firms don’t know why this matters. We do.

Corporate Liability and the Private Equity Shield

Sky Zone Humble and Urban Air Humble are often insulated by layers of LLCs. The operator LLC may have a $1 million policy, while your child’s care will cost $5 million. We work to pierce those shields. We name the franchisor. We identify the PE sponsor like Palladium Equity Partners. We show that the franchisor retained enough control over the Humble park’s training and safety manuals to be held directy liable. The Damion Collins $15.6 million award in Kansas proved this works — the franchisor (UATP Management LLC) was held 40% responsible.

Humble families deserve an advocate who knows the insurance tower from the bottom floor to the corporate penthouse. Call 1-888-ATTY-911. We advance all investigation costs.

Why the Humble Climate Matters for Your Case

If your injury happened on a backyard trampoline in Humble, the weather is an evidentiary factor. The high humidity and salt-air near the airport accelerate rust-pitting on spring coils. High UV index exposure degrades the polypropylene tensile strength of the safety nets. A four-year-old Jumpking or Skywalker net in Humble has often lost 50% of its impact strength. Manufacturers like Jumpking and Skywalker provide owner’s manuals (IFUs) that most parents never read. We read them. We use them to prove the product’s warning labels were inadequate for the Humble environment.

If a neighbor’s child was hurt on your Humble trampoline, we can navigate the attractive nuisance laws and help identify third-party manufacturer liability so your personal assets aren’t the only target.

Call 1-888-ATTY-911. The case starts today.

Spanish Language Representation for Humble Families

Muchas de las víctimas de lesiones en parques de trampolines en Humble son niños de familias hispanohablantes. Nuestro abogado asociado Lupe Peña es hispanohablante nativo y representa a nuestros clientes directamente — sin intérpretes, sin traductores, sin retrasos. Si usted firmó un documento en inglés y no pudo entender los términos, el caso Delfingen US-Texas v. Valenzuela puede invalidar esa renuncia. No permita que su estatus migratorio o la barrera del idioma le impidan buscar justicia para su hijo. El 911 y las salas de emergencia no informan a ICE. Su comunicación con nosotros es privilegiada y confidencial.

Llame al 1-888-ATTY-911. Lupe Peña habla con usted directamente.

Final Kill-Shot: Maximum Recovery for Humble Families

What happened to your child at an Urban Air or Sky Zone in Humble wasn’t an accident — it was the predictable output of a system. The AAP has been warning about trampolines since 1999. ASTM F2970 was written by the trampoline industry itself to establish a safety floor. The Humble park operated below that floor to hit a profit target. The waiver was drafted by lawyers who knew it wouldn’t hold in many cases.

Attorney911 was built for this fight. Ralph Manginello brings 25+ years of experience. We’ve gone head-to-head with BP and Walmart. We’ve recovered multi-million dollar settlements for TBIs and spinal injuries. The surveillance DVR at the park is already counting down.

Call 1-888-ATTY-911. Hablamos Español. No fee unless we win. Our Houston office is minutes from Humble. We advance every expense — biomechanist, pediatric surgeon, life-care planner. Your child’s recovery fund stays untouched. The case starts today.

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