24/7 LIVE STAFF — Compassionate help, any time day or night
CALL NOW 1-888-ATTY-911
Blog | City of Lakeway

City of Lakeway Trampoline Park and Pediatric Injury Attorneys Attorney911 of Houston TX Ralph Manginello 25 Years Experience and Former Defense Specialist Lupe Peña Defeating Sky Zone Urban Air Altitude and DEFY Waivers for Pediatric TBI SCIWORA Spinal Cord Salter-Harris Growth Plate and Rhabdomyolysis Injuries Using ASTM F2970 EN ISO 23659:2022 AAP and Texas Family Code 153.073 Signer Authority Attacks Referencing the 11.485 Million Dollar Cosmic Jump Verdict and 15.6 Million Dollar Damion Collins Urban Air Arbitration Victory Holding Palladium Equity Seidler Capital and Unleashed Brands Accountable for Commercial Park Backyard Jumpking Product Defects and Sky Rider Zipline Accidents Hablamos Español Free Consultation No Fee Unless We Win 1-888-ATTY-911

April 26, 2026 19 min read
city-of-lakeway-featured-image.png

One bounce. One bad landing. One broken neck. That is all it takes at a trampoline park serving City of Lakeway. In the trauma bays of Level 1 pediatric centers across Travis County, the story is often the same. A parent signed a waiver at a kiosk, handed their child a wristband, and within twenty minutes, their world changed. At The Manginello Law Firm, we represent families who have experienced the “worst scream you could ever hear from a child,” as Kati Hill described the moment her three-year-old’s femur snapped during a Toddler Time session. We are Attorney911, and we have spent over 25 years making corporate defendants pay for putting margin ahead of safety.

If your child was injured at a facility like the Urban Air near Bee Cave or a backyard trampoline in an affluent City of Lakeway neighborhood, you might think the waiver you signed ends your case. It doesn’t. We know because our team includes attorney Lupe Peña, who used to sit on the other side of the table—defending insurance companies and the very recreational businesses we now sue. He knows exactly which waiver clauses are airtight and which ones are full of holes under Texas law. We bring federal court experience and a track record of taking on Fortune 500 giants like BP to the fight against the private-equity-backed conglomerates that own Sky Zone, DEFY, and Rockin’ Jump.

What happened to your child in City of Lakeway wasn’t an accident. It was the predictable output of a business model that ignores 25 years of medical warnings from the American Academy of Pediatrics. While trampoline parks market themselves as “safe family fun,” the industry’s own safety standard, ASTM F2970, was written by the parks themselves to create a floor that many then consistently fail to meet. When a park in the City of Lakeway area operates at half the required attendant ratio to save on labor costs, or keeps a foam pit open that hasn’t been rotated in ten weeks, they aren’t just being careless—they are being grossly negligent.

The Physics of Catastrophe in City of Lakeway

When a 200-pound adult lands on a trampoline bed while a 60-pound child is pushing off, the kinetic energy transfer multiplies the child’s launch force by up to four times. The child isn’t jumping anymore; they’ve become a projectile. This mechanism, known as a double-bounce, is responsible for the shattered tibias and compound femur fractures we see in City of Lakeway cases. It is exactly why ASTM F2970 requires parks to enforce age and weight separation, yet on a crowded Saturday afternoon in Travis County, these rules are often the first to be ignored.

In Harris County, a jury returned an $11.485 million verdict—including $6 million in punitive damages—against the operator of Cosmic Jump after a teenager fell through a torn trampoline slide onto a concrete floor. The waiver was signed. The jury found gross negligence anyway. That case is the Texas benchmark for accountability, and it is the standard to which we hold every operator in City of Lakeway. Whether the injury happened on a Sky Rider zipline, a compacted foam pit, or a defective backyard Skywalker trampoline, our mission is the same: find the decision-maker who chose margin over your child’s safety and hold them responsible.

The Standards That Protect City of Lakeway Families

Most personal injury firms can’t tell you what ASTM F2970 requires of a trampoline park. We cite it from memory. We know that while the United States relies on voluntary standards written by the industry lobby, much of the developed world operates under mandatory requirements. EN ISO 23659:2022 is the mandatory European standard for trampoline parks, established to prevent the very cervical spine injuries and fatalities we see in Texas. When we depose a park manager in a City of Lakeway case, we compare their conduct not just to the voluntary “floor” of US standards, but to the binding “ceiling” the rest of the world treats as basic safety.

ASTM F2970: The Industry’s Own Admissions

Commercial parks in City of Lakeway often claim to follow ASTM F2970. In litigation, we prove they don’t. This standard covers everything from attendant-to-jumper ratios to foam pit depth and daily inspection logs. When we pull the records for a park serving City of Lakeway, we often find “pro forma” logs—checklists signed by teenagers who never actually performed the inspection. A torn mat or a loose spring pad is a known hazard that produces open fractures and infection vectors like MRSA, yet they stay unrepaired for weeks to keep the turnstiles moving.

ASTM F381 and the Backyard Reality

For the many backyards in City of Lakeway featuring Jumpking, Skywalker, or Springfree trampolines, the applicable standard is ASTM F381. It explicitly bars children under the age of six from use. The American Academy of Pediatrics has been even clearer since 1999: trampolines do not belong at home. If your child was injured on a neighbor’s trampoline in City of Lakeway, the homeowner may be liable under the attractive nuisance doctrine. Texas law protects children who may not appreciate the danger of an unfenced trampoline, and we know how to navigate the insurance exclusions that many homeowners don’t know they have.

The CPSC and the 300,000-Injury Pattern

The Consumer Product Safety Commission (CPSC) has been warning about trampoline risks since the 1970s. With over 300,000 ER visits annually, the “we didn’t know” defense is dead on arrival. When a manufacturer like SEGMART recalls toddler trampolines for strangulation hazards in 2026, it reinforces what we have always known: these are dangerous consumer products marketed to the most vulnerable members of the City of Lakeway community.

Who Is Responsible for Your Child’s Injury?

In a City of Lakeway trampoline case, the money is almost always upstream. Naming only the local operator is a mistake that leads to under-compensated families. We perform corporate structure archeology on every case to identify the 5-layer defendant stack:

  1. The Operator LLC: The local entity running the park near City of Lakeway.
  2. The Franchisee: The multi-unit ownership group that often cuts corners on training.
  3. The Franchisor: Entities like Sky Zone Franchising LLC or Urban Air Franchise Holdings that mandate the very manuals their parks violate.
  4. The Corporate Parent: Sky Zone, Inc. (formerly CircusTrix) or Unleashed Brands, often backed by deep-pocketed private equity firms like Palladium Equity or Seidler Equity Partners.
  5. The Component Manufacturer: The makers of the failed net, the torn mat, or the unattached climbing wall harness.

We know how to find every insurance layer, from the primary GL policy to the umbrella towers that can reach $100 million. When an adjuster tells you the “policy limit is $1 million,” they are playing a shell game. We know that on a national chain, the franchisor’s additional-insured coverage and the parent company’s excess layers are always there. We will find them.

Texas Law and Your Rights in City of Lakeway

Texas is a “waiver-friendly” state for adults, but the law is much more protective of children. Under Munoz v. II Jaz Inc., a parent generally cannot sign away a minor’s right to sue in Texas. This means the waiver you signed at the kiosk likely does not bar your child’s personal claim. Furthermore, even for adults, the Dresser doctrine requires a waiver to be “conspicuous” and use the exact word “negligence.” Many iPad waivers fail this test.

If your family’s primary language is Spanish, we invoke the Delfingen doctrine. If the park gave you an English-only waiver and didn’t provide a translation or explain the terms, the contract may be void. Lupe Peña speaks with our Spanish-speaking clients directly, ensuring the language gap is never used as a weapon by the insurance company. Hablamos Español. Llame al 1-888-ATTY-911. Lupe Peña habla con usted directamente—sin intérpretes.

The Gross Negligence Carve-Out

No waiver in Texas can release a defendant from gross negligence. When we find evidence that a park near City of Lakeway knew of a hazard—like the torn slide in the Max Menchaca case—and did nothing, the waiver disappears. We use our 25 years of experience and federal court background to build the “conscious indifference” case that unlocks punitive damages.

The Evidence Clock Is Running in Travis County

The most critical window in your case is the first 7 to 30 days. Most trampoline park DVR systems in the City of Lakeway area are set to overwrite footage on a rolling cycle. Incident reports get “revised” on park computers. Attendants who saw the accident might quit or transfer before they can be deposed.

Our spoliation letter goes out within 24 hours of your retention. We demand the preservation of:

  • Multi-angle surveillance footage.
  • Original incident reports with metadata.
  • Staff time-clock records to prove understaffing.
  • The actual failed equipment (do not let them replace that spring overnight).
  • Kiosk audit logs to prove the waiver version was defective.

By the time you finish the initial consultation with us, our investigators are already working to freeze the evidence in City of Lakeway. We don’t wait for the park’s permission; we use Texas Rule 202 to take depositions before a suit is even filed if necessary.

The Medicine of Trampoline Injuries: Pediatric Specificity

A “broken leg” at age eight is never just a broken leg. In children, those fractures often involve the growth plate—the physis. A Salter-Harris Type II fracture of the distal tibia can result in limb-length discrepancies that don’t show up until the child hits a growth spurt in their teens. If your lawyer doesn’t understand pediatric orthopedics, they are leaving millions of dollars on the table.

Traumatic Brain Injury (TBI) and SCIWORA

City of Lakeway families need to know that a “normal” CT scan at the ER doesn’t mean their child is cleared of spinal cord injury. SCIWORA (Spinal Cord Injury Without Radiographic Abnormality) is a pediatric-specific phenomenon where the cord is damaged despite the bones looking intact. Likewise, a concussion in a developing brain requires a life-care plan that accounts for 70 years of cognitive and educational support.

The Rhabdo Bridge: A Specialized Global Authority

We are currently litigating a $10 million lawsuit against a major university involving rhabdomyolysis and acute kidney failure. This is the same pathology we see in children who jump for two hours in a hot Texas trampoline park and arrive at the hospital 48 hours later with cola-colored urine. We have the medical experts and the litigation architecture to prove that the park’s failure to monitor heat and hydration caused your child’s kidneys to fail.

Why Choose Attorney911 for Your City of Lakeway Case?

We represent families. We represent children. We represent the parent standing at a hospital room window in City of Lakeway wondering how they will ever pay for the home modifications a spinal cord injury requires.

Our 7 Pillars of Strength:

  1. Ralph Manginello’s 25+ Years: Trial experience against global giants like BP.
  2. The Waiver Defeat Edge: Lupe Peña knows the insurance defense playbook because he used to write it.
  3. Federal Court Presence: We don’t just file in county courts; we have the admission to go where the defendants are strongest.
  4. Medical Depth: Specialized knowledge in rhabdomyolysis, SCIWORA, and Salter-Harris fractures.
  5. Forensic Investigation: We deploy digital forensic experts to recover “glitched” video and metadata.
  6. Nationwide Authority: Based in Texas but handling catastrophic cases in every state.
  7. Zero-Risk Contingency: You pay nothing unless we win. We advance every expert cost—from biomechanical engineers to life-care planners.

As our client Chad Harris said, “You are NOT a pest to them and you are NOT just some client… You are FAMILY to them.” When you call 1-888-ATTY-911, you aren’t getting a call center. You’re getting a team that treats your child’s recovery as its own.

Frequently Asked Questions for City of Lakeway Parents

“Can I sue if I signed the waiver?”

Yes. In Texas, a parent cannot waive a minor’s personal claim. Even for adults, the waiver fails if the park was grossly negligent or if the language wasn’t conspicuous under the Dresser doctrine. Most City of Lakeway residents find that the “paper shield” at the front desk is meaningless once we inspect the evidence.

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

This depends entirely on the long-term impact on the child. A serious pediatric growth-plate injury can anchor in the $500,000 to $2 million range, while catastrophic spinal cord injuries often see life-care plans exceeding $10 million. We work with forensic economists to quantify every dollar of future care and lost earning capacity.

“The park manager says it was a ‘freak accident.’ Does that matter?”

The manager is following a script. At Urban Air Southlake, parents reported staff were instructed NOT to call 911. What they call a “freak accident” is usually a violation of ASTM F2970. Physics isn’t “freak”; it’s predictable energy transfer.

“What if the injury happened on a neighbor’s trampoline?”

Texas attractive nuisance laws apply. If a child in City of Lakeway was attracted to a trampoline that was accessible (unfenced or with a ladder), the homeowner may be liable. We look into the primary homeowners’ policy and umbrella layers to secure your child’s future.

“How long do I have to do something?”

In Texas, you have two years, but the evidence is gone in 30 days. If the video overwrites, proving what the monitor was doing at the time becomes much harder. Your first step should be a phone call to 1-888-ATTY-911 today.

“What is a ‘double bounce’ and why is it dangerous?”

It’s a transfer of energy from a larger object to a smaller one through the trampoline bed. When an adult lands, the bed stores energy. If a child pushes off at that same moment, they are launched with a force their bones cannot withstand. Parks that allow adults and toddlers on the same court are gambling with your child’s life.

“How do I know if my child has rhabdomyolysis?”

Look for muscle pain that is out of proportion to the activity, listlessness, and dark tea-colored urine in the 48 hours following the visit. If you see these signs, go to the emergency room—not an urgent care—and ask for a CK blood test. This is an acute medical emergency.

Building the Case for Justice in City of Lakeway

We don’t handle “slip and fall” cases. We handle life-changing events. When we build your case, we retain a biomechanical engineer to model the energy transfer of the impact. We bring in a pediatric orthopedic surgeon to explain why your daughter’s leg will need surgeries for the next decade. We subpoena the franchisor’s audit records to show they knew the City of Lakeway park was failing safety checks.

We’ve gone head-to-head with some of the most aggressive corporate-defense firms in the country. The parent conglomerates behind Sky Zone and Urban Air don’t intimidate us. We have the resources to advance the hundreds of thousands of dollars in expert fees needed for a nuclear verdict. Your family’s recovery fund stays intact while we fight the battle.

The Truth About the Multi-Attraction Pivot

Parks are bolting on go-karts, zip-coasters like the Sky Rider, and 30-foot climbing walls. The same teenager who was watching the trampoline court five minutes ago is now the person strapping your son into a harness. This industry-wide pivot has produced a new wave of fatalities, like the go-kart failure in Port St. Lucie that killed six-year-old Emma Riddle in 2025. Waivers drafted for trampolines may not even cover these attractions, creating a massive scope-gap we exploit.

Your Child’s Case Starts Today

You signing that paper at the kiosk was a mistake anyone could make. The park choosing to violate safety standards was a business decision they need to own. Don’t let their lawyers convince you that you are at fault for letting your child have fun. We represent the parent who has to watch their child in a body cast or a wheelchair. We represent the truth.

Call 1-888-ATTY-911 (1-888-288-9911). We answer 24/7. Hablamos Español. No fee unless we win. Our spoliation letter goes out within 24 hours of your retention. The DVR is overwriting. The incident report is being “revised.” The time to act is right now.

What happened at the park serving City of Lakeway wasn’t an accident—it was the predictable output of a system designed to maximize margin at the expense of kids. The AAP has been warning since 1999. The industry standard was written as a floor the park operated below. The waiver was drafted to make you go away. We were built for exactly this fight.

Call 1-888-ATTY-911.

Comprehensive Guide to Liability and Safety Standards

To understand your rights fully, you must look at how the trampoline industry is regulated—or, more accurately, how it regulates itself. ASTM F2970 is the primary standard for commercial courts. If a court monitor wasn’t properly positioned, if the park was at maximum capacity, or if the foam pit cubes were smaller than 8 inches due to old age, the standard was breached. In 39 states, these standards are voluntary, but in the courtroom, they establish the duty of care.

We also look at EN ISO 23659:2022. This international standard represents what modern, responsible trampoline park operation looks like. If a chain like Urban Air or Sky Zone follows stricter rules in their international locations while cutting corners in City of Lakeway, that is powerful evidence of conscious indifference.

Analyzing the Waiver You Signed

Their iPad waiver is likely filled with unconscionable clauses. Altitude Trampoline Park famously includes a term that purports to cap total damages at one hundred dollars ($100). For a child with an $8 million medical bill, this is offensive and legally indefensible in any legitimate court. Sky Zone has settled class actions over the over-broad nature of its New Jersey waivers. We apply those national lessons to your case in City of Lakeway.

Texas courts have started to use “direct-benefits estoppel” to drag minors into arbitration, but we push back by showing that a child receiving a wristband for an hour of jumping is not a contractual “direct benefit” that binds them to an agreement they didn’t sign. We name the franchisor, the parent company, and the manufacturers separately because they are rarely parties to the arbitration clause signed at the front desk.

The 10-Step Attorney911 Case Build

  1. Immediate Spoliation Notice: certify-mailed to park and general counsel within 24 hours.
  2. Forensic Scene Investigation: capturing the current state of equipment before “repairs” are made.
  3. Corporate Tier Identification: tracing the LLC back to the private equity money.
  4. Insurance Tower Discovery: identifying every layer of GL, umbrella, and excess.
  5. ASTM Compliance Audit: cross-referencing their logs against the engineering spec.
  6. LCP Preparation: working with life-care planners to calculate future medical and academic needs.
  7. Ex-Employee Outreach: finding the attendants who quit and are now willing to speak the truth about short-staffing.
  8. Chain-Wide Pattern Search: subpoenaing incident reports from other locations in the same brand.
  9. Waiver Breakdown: applying the 5-vector attack to get your case in front of a jury.
  10. Trial Readiness: preparing every motion as if we are picking a jury tomorrow.

A Message for Spanish-Speaking Families in City of Lakeway

Muchas de las familias que visitan estos parques en el área de Travis County hablan español como su idioma principal. Es común que el parque presente el waiver solamente en inglés y presione a los padres para que firmen rápido para que los niños puedan entrar. Esto es una violación de sus derechos. Nuestra abogada Lupe Peña es bilingüe y se dedica a proteger a las familias hispanas. Bajo la ley de Texas, si usted no pudo entender lo que firmaba, ese documento puede ser invalidado. No deje que el idioma o su estatus migratorio le impida buscar justicia para su hijo. El hospital y las cortes son lugares seguros para usted. Llame al 1-888-ATTY-911 y pida hablar con Lupe.

Final Closing Statement

Your child’s case is decided by what gets preserved this week. The Saturday afternoon your daughter was hurt in City of Lakeway is currently sitting on a hard drive that will be wiped in days. The Clipboards and kiosks are waiting to “update” the system. You have survived the trauma of the accident and the chaos of the ER. Now, let us handle the corporation.

The park has lawyers. The franchisor has lawyers. The PE sponsor has lawyers. Why don’t you?

1-888-ATTY-911. 24 hours a day. National reach. Texas toughness.

Share this article:

Need Legal Help?

Free consultation. No fee unless we win your case.

Call 1-888-ATTY-911

Ready to Fight for Your Rights?

Free consultation. No upfront costs. We don't get paid unless we win your case.

Call 1-888-ATTY-911