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City of Elgin Trampoline Park Injury Attorneys Attorney911 of Houston, TX 25+ Years Defeating Sky Zone Urban Air and Altitude Waivers with Former Recreational-Defense Insider Advantage Ralph Manginello Federal Court Admitted Pediatric TBI Spinal Cord SCIWORA Salter-Harris and Rhabdomyolysis Litigation Anchored by Cosmic Jump $11.485M Harris County Verdict and Damion Collins $15.6M Urban Air Arbitration Mastery of ASTM F2970 EN ISO 23659:2022 and AAP Standards Holding Palladium Equity and Unleashed Brands Corporate Parents Accountable Backyard Jumpking Skywalker Defects Adjacent Attraction Sky Rider and Climbing Wall Liability Delfingen Bilingual Waiver Defeat and Tex Fam Code 153.073 Signer Authority Attacks Hablamos Español Free Consultation No Fee Unless We Win 1-888-ATTY-911

April 26, 2026 19 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 are the words of Kaitlin “Kati” Hill, a mother who watched her three-year-old son, Colton, suffer a broken femur in a body cast after a visit to a trampoline park. As Kati told ABC News, she had no idea. She would have never put her baby boy on a trampoline if she had known the truth.

If you are reading this in City of Elgin, perhaps you are in a similar position. You are sitting at a hospital bedside at a Level 1 trauma center like Dell Children’s Medical Center or University Hospital, watching a surgeon explain what happens when a growth plate is destroyed at age nine. You are looking at a stack of medical bills that already exceeds your HSA, and you are remembering the iPad kiosk at the front desk where you were told to “sign quickly so the kids can jump.”

What happened to your child in City of Elgin wasn’t a freak accident. It was the predictable output of a system. At Attorney911, we believe a trampoline injury is never just bad luck—it is almost always the result of a business decision that prioritized margin over safety. We have spent more than 25 years fighting for families in catastrophic injury cases, and we are here to tell you that the waiver you signed is not the absolute shield the park wants you to believe it is.

From our offices in Houston, Austin, and Beaumont, we represent families across Texas and nationwide. Whether your injury happened at an Urban Air, a Sky Zone, an Altitude, or on a backyard Jumpking or Springfree trampoline, we know the science, we know the standards, and we know how to hold corporate parents like Palladium Equity Partners and Seidler Equity Partners accountable.

Call us at 1-888-ATTY-911. Hablamos Español. Our team includes Lupe Peña, a former insurance defense attorney who used to write the very waiver language these parks rely on. Now, he turns that playbook against them. We advance every cost, from the biomechanical engineer to the pediatric orthopedic consultant. You pay nothing unless we win.

The Reality of Trampoline Injuries in City of Elgin

Nationally, trampolines send more than 300,000 Americans to the emergency room every year. In a growing metro area like City of Elgin, where youth sports and active play are central to family life, the share of those injuries is measured in the hundreds. The American Academy of Pediatrics (AAP) has been warning parents since 1999 that trampolines do not belong at home. They reaffirmed that position in 2012 and again in 2019. Most manufacturers like Skywalker or Bouncepro don’t emphasize that in their marketing.

In City of Elgin, families often visit the major chains that dominate the Central Texas landscape. Urban Air is headquartered nearby in Grapevine; Altitude is headquartered in Fort Worth. These corporate giants operate dozens of parks across DFW, Austin, and San Antonio. On a Saturday afternoon in July, thousands of Central Texas kids are airborne. And every one of them is an insurance policy with a waiver attached.

A Systemic Failure, Not an Isolated Accident

When we look at a case in City of Elgin, we look for the “Proof Cascade.” We establish that the injury was foreseen on multiple layers.

  1. The Medical Consensus: The AAP has warned against this since 1999.
  2. The Industry Standard: The trampoline park industry wrote ASTM F2970 itself—admitting what the safety floor should be—and then its operators chose to ignore those rules.
  3. Internal Knowledge: Discovery often reveals that the chain has had similar injuries at other locations and failed to fix the equipment or retrain the staff.

For example, in Harris County, a jury awarded $11.485 million—including $6 million in punitive damages—against the operator of Cosmic Jump after a teenager fell through a torn trampoline mat onto concrete. The waiver was signed. The jury found gross negligence anyway. That is the largest reported trampoline park verdict in U.S. history, and it happened right here in Texas.

Accident Mechanisms: How the Standard of Care is Breached

In City of Elgin, the “physics and law” of a trampoline accident are inseparable. We don’t just say the park was careless; we prove they violated specific ASTM standards.

The Double-Bounce: Multi-Jumper Catastrophe

The most common mechanism in City of Elgin parks is the double-bounce. When a 200-pound adult lands on a mattress while a 60-pound child is pushing off, energy transfer multiplies the child’s launch force by up to 4x. The child isn’t jumping; they are being thrown.

ASTM F2970 requires parks to enforce age and weight separation. When an Urban Air or Sky Zone attendant is on their phone instead of separating a toddler from a teenager, they are choosing to allow a known injury pattern. We call this a “mass-ratio launch,” and it is the primary cause of shattered femurs and tibias.

The Foam Pit Illusion

Foam pits look soft, but they are often shallow graves for spines. ASTM F2970 specifies the depth and density of the foam blocks. However, foam blocks compact under repeated impact. If the park fails to rotate or refill the pit, a jumper landing head-first or feet-first strikes the hard concrete subfloor.

We documented this in the Anthony Seitz case in Minnesota, which settled for $3 million after he was paralyzed. The park knew the pit was bottoming out from prior incidents and did nothing. In City of Elgin, we look for those same maintenance logs. If the log shows they haven’t “fluffed” the foam in three months, that is evidence of gross negligence.

Design Defects in Adjacent Attractions

Modern parks in City of Elgin are “adventure parks.” They have go-karts, ziplines, and climbing walls. On December 6, 2025, six-year-old Emma Riddle died after a go-kart mechanical failure at an Urban Air in Port St. Lucie. At Altitude Gastonia, 12-year-old Matthew Lu died when an employee failed to secure his climbing harness, and he fell 20 feet onto concrete.

The park publicly blamed “human error” and removed the attraction. These aren’t trampoline injuries—they are facility-wide safety failures. If your child was hurt on a “Sky Rider” or a “Warped Wall” in City of Elgin, we look at the manufacturer (like Ropes Courses, Inc. or UA Attractions, LLC) as well as the operator.

Learn more about building your case in our video: “I’ve Had an Accident — What Should I Do First?” at https://www.youtube.com/watch?v=OCox4Lq7zBM

The Waiver: Why It Doesn’t End Your Case in Texas

The insurance adjuster will call you within 48 hours. They will be “friendly.” They will ask if you have considered a “quick Med-Pay settlement” of $3,000. And they will tell you that because you signed a waiver at the kiosk in City of Elgin, you have no case.

They are lying.

The Five Attack Vectors We Use in City of Elgin

Our team, including Lupe Peña, runs every Texas waiver through a specialized five-vector analysis:

  1. The Gross Negligence Carve-Out: In Texas, a waiver cannot release liability for gross negligence. Case law like Transportation Insurance Co. v. Moriel and the $11.485M Cosmic Jump verdict prove that when a park consciously disregards safety, the waiver fails.
  2. The Minor-Injury Rule (Munoz v. II Jaz): Texas courts have held that a parent cannot bind a minor child to a pre-injury waiver of the child’s own tort claims. Even if you signed, your child’s right to sue survives.
  3. The Fair Notice/Conspicuousness Doctrine (Dresser): Under Dresser Industries v. Page Petroleum, a negligence release must be conspicuous—bold, large font, or set apart. If the release was buried in 20 pages of digital legalese on an iPad, it may be void.
  4. The Bilingual Shield (Delfingen): If your family’s primary language is Spanish and the City of Elgin park presented only an English waiver without a translation, Delfingen US-Texas v. Valenzuela allows us to challenge the very formation of the contract.
  5. Signer Authority (Texas Family Code § 153.073): Often at birthday parties in City of Elgin, an aunt, grandmother, or a friend’s parent signs for the child. Under Texas law, only a legal guardian has signing authority. A non-guardian signature makes the waiver a legal nullity.

Don’t let them push you around with a piece of paper. Call us at 1-888-ATTY-911.

Catastrophic Pediatric Injuries: Beyond the ER Bill

A trampoline injury in City of Elgin changes a family’s trajectory. We don’t just calculate your hospital bills from the night of the accident; we calculate the next 70 years of your child’s life.

The Salter-Harris “Silent” Catastrophe

Pediatric bones are pliable, but their growth plates (physes) are vulnerable. A Salter-Harris fracture at age eight may not show a limb-length discrepancy until age thirteen, when one leg stops growing straight. If your lawyer doesn’t hire a pediatric orthopedic surgeon to forecast this, you are leaving millions of dollars on the table.

SCIWORA and Cervical Trauma

Children can suffer Spinal Cord Injury Without Radiographic Abnormality (SCIWORA). A child in a City of Elgin park might land head-first, have a “clear” CT scan at the ER, and be paralyzed six hours later as cord ischemia sets in. The industry knows this; most court monitors do not. We use the AJR 2024 “Pediatric Trampoline Injuries Head to Toe” research to prove these medical realities to juries.

Exertional Rhabdomyolysis: The UH Bridge

We are currently litigating a $10 million lawsuit against the University of Houston involving rhabdomyolysis and acute kidney failure. This is the exact same pathophysiology we see in children who jump for two hours in a heated City of Elgin park, become dehydrated, and arrive at the ER with “cola-colored” urine. The myoglobin from broken muscles destroys the kidneys. We have the medical experts and the institutional-accountability playbook to win these complex cases.

Learn more about the value of your case in our video: “The Ultimate Guide to Settlements” at https://www.youtube.com/watch?v=subYAvjsgk4

The 48-Hour Evidence Protocol: City of Elgin Urgency

The evidence in your case is disappearing on a schedule.

  • Surveillance Video: Most City of Elgin parks overwrite their DVR systems every 7 to 30 days.
  • Waiver Kiosks: Some databases purge version history every 72 hours.
  • Incident Reports: Metadata shows that parks often “revise” or sanitize reports 48 hours after the accident.
  • Attendants: The teenage court monitor who witnessed the event might transfer or quit within weeks.

Our spoliation letter goes out by certified mail and email within 24 hours of your retention. We don’t wait for your child’s surgery to end to start the investigation. We demand the DVR hard drive, the training logs, and the franchisor audit records immediately. By the time the insurance carrier tries to “lose” the video, we have already frozen the evidence.

Who is Really Responsible? Piercing the Corporate Stack

One of the most common tricks in City of Elgin cases is the “Franchise Shield.” The manager will tell you, “We are just a local small business; we just license the name.”

We don’t accept that. We pursue the 5-Layer Defendant Stack:

  1. The Operator LLC: The local entity with a small primary policy.
  2. The Franchisee: The multi-unit owner with an umbrella layer.
  3. The Franchisor: Urban Air Franchise Holdings or Sky Zone Franchising. They dictate the safety standards, so they are on the hook when those standards are breached.
  4. The Corporate Parent: Sky Zone, Inc. or Unleashed Brands.
  5. The Private Equity Sponsor: Firms like Palladium Equity Partners who approve the cost-cutting measures that lead to understaffing.

In the Damion Collins case against Urban Air, the franchisor (UATP Management) was held responsible for 40% of a $15.6 million award because of “systemic failure” to implement safety changes. We go upstream where the money lives.

Why Choose Attorney911 for Your City of Elgin Case?

Success in a trampoline injury case requires more than just a personal injury lawyer. It requires a firm that has memorized ASTM F2970, that has fought Fortune 500 companies like BP and Walmart, and that treats every parent at the bedside like family.

  • Ralph Manginello: Our founder brings over 25 years of trial experience and federal court admission. He doesn’t intimidate easily.
  • Lupe Peña: Our associate knows the insurance defensive playbook because he used to write it. He is a native Spanish speaker who speaks directly to our families.
  • Medical Depth: With our UH rhabdo case and our multi-million dollar TBI settlements, we understand the science of your child’s injury better than the park does.
  • No Fee Unless We Win: We advance the $50,000+ it takes to hire biomechanists and life-care planners. If we don’t recover money for you, you don’t owe us a dime.

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 parent who is scared, angry, and looking for accountability.

Frequently Asked Questions

Can I sue if I signed the waiver at a City of Elgin trampoline park?

Yes. In Texas, waivers are highly scrutinized. They do not cover gross negligence, they often violate the Dresser fair notice rules, and under Munoz v. II Jaz, they generally cannot waive a minor’s right to sue. The waiver is the beginning of the legal fight, not the end.

Why did the park not call 911?

Many parks, including an Urban Air in Southlake, have been accused in public reviews of having policies to “down-play injuries” and “NOT call 911.” This is a tactic to prevent an official paper trail and EMS run sheet. We treat this as evidence of gross negligence and a conscious disregard for player safety.

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

Catastrophic cases in Texas have reached results like the $11.485M Cosmic Jump verdict. The value depends on the Life-Care Plan (LCP). We calculate the 60-year cost of future surgeries, educational accommodations, and lost earning capacity. A Salter-Harris fracture is not a “broken bone”—it is a million-dollar lifetime exposure.

How long does the park keep surveillance video in City of Elgin?

Typically 7 to 30 days. Some high-capacity parks overwrite faster to save storage space. If you do not have a lawyer send a spoliation letter immediately, the visual proof of the attendant’s inattention will be gone forever.

What is SCIWORA?

Spinal Cord Injury Without Radiographic Abnormality. It is a pediatric-specific condition where the spinal cord is damaged, but the bones look normal on a CT scan. If your child has neck pain or “numbness” after a jump at a City of Elgin park, demand an MRI. Do not let the park tell you to “walk it off.”

Are backyard trampolines safer?

The AAP says no. Backyard trampolines (Jumpking, Skywalker, ACON) lack the supervision required by standards. Many face recalls, like the 2026 SEGMART toddler trampoline strangulation recall or the the 1,000,000 unit Jumpking recall for frame weld breakage. In backyard cases, we sue the homeowner and the manufacturer.

Your Next Steps in City of Elgin

You did not choose this fight, but you are in it. The park has a risk management team working right now to protect their margin. You need a team working to protect your child.

You signed the waiver because you wanted them to have fun. You let them jump because you believed the “Safe Family Fun” marketing. None of that is your fault. The guilt belongs to the corporations that ignored ASTM F2970 to hit a profit target.

Call 1-888-ATTY-911. We are available 24/7. Hablamos Español. Our Texas offices are the launch point for a national practice that holds child-focused franchisors accountable.

The case is decided by what gets preserved this week. Don’t wait. Call now.

Attorney911 / The Manginello Law Firm, PLLC
1-888-ATTY-911
ralph@atty911.com | lupe@atty911.com
Houston · Austin · Beaumont | National Representation
No Fee Unless We Win.

Additional FAQs for City of Elgin Families

“Is an iPad / kiosk waiver even enforceable?”
In Texas, a digital signature is generally legal, but the presentation of the waiver is what matters. If you were pressured to sign, if the font was illegible, or if the “I Agree” button didn’t clearly link to the negligence release, we can challenge it. Delfingen provides a massive escape valve for Spanish-speaking households in City of Elgin.

“Why did no staff stop the bigger kids from jumping with my little one?”
Because parks frequently understaff. ASTM F2970’s 1:32 ratio is a floor, not a ceiling. On a crowded Saturday, that ratio often hits 1:60. The “Toddler Time” you paid for is a marketing gimmick if they allow twelve-year-olds on the same court. We call this “Rule on Paper but Not in Practice,” and it is our primary path to proving gross negligence.

“How long do I have to do something — is there a deadline?”
Yes. In Texas, the statute of limitations is two years from the date of injury. For minors, it is tolled until they turn 18, but the parent’s claim for medical bills is not. More importantly, the evidence deadline is days, not years. Call us before the DVR overwrites.

“Can they make my minor child waive their rights?”
No. Munoz v. II Jaz is the anchor of Texas law on this. A parent’s signature cannot strip a child of their right to be made whole after corporate negligence. We plead the minor’s case “by and through” the parent, and the waiver usually disappears during the first round of motions.

“How much does a trampoline-park lawyer cost?”
At our firm, $0 upfront. We work on a 33.33% pre-trial contingency. We pay for the $10,000 biomechanics expert. We pay for the digital forensic examiner who pulls the metadata from the park’s computer. If we don’t win, we swallow those costs. Your child’s recovery fund stays intact.

“Will I be blamed for taking them there?”
The defense will try to use “Assumption of Risk.” In Texas, Farley v. MM Cattle Co. largely folded that into comparative fault. A child under seven is legally incapable of negligence in most contexts. You are not a bad parent; you are a patron who was lied to by a multi-million-dollar industry.

Tedown of the Altitude $100 Damages Cap

If your injury happened at an Altitude Trampoline Park, their corporate terms include this verbatim clause: “IN NO EVENT WILL WE AND ALL OF OUR AFFILIATES COLLECTIVELY BE LIABLE FOR ANY DAMAGES IN EXCESS OF ONE HUNDRED UNITED STATES DOLLARS.”
Think about that. Altitude believes your child’s life is worth less than a trip to the grocery store. This clause is the definition of “substantively unconscionable.” It violates Texas public policy. It does not apply to gross negligence. We use this clause in front of juries to show just how little the park cares about the safety of City of Elgin families.

The Urban Air Sky Rider Pattern

If your child was hurt on the “Sky Rider” zipline, you are part of a national pattern. We have identified strangulation and fall incidents at Urban Air locations in Newnan GA, Bloomingdale IL, Reno, and Florida. The same attraction. The same failure. Federal Rule of Evidence 404(b) lets us use these prior incidents to prove the franchisor knew the attraction was a “death trap” and failed to retrofit it.

What to Say to the Insurance Adjuster

When the adjuster calls your home in City of Elgin, use this script: “I am represented by Attorney911. Please put all questions in writing and send them to my counsel. Do not call me again.” Then hang up. Do not explain the injury. Do not say “we are doing okay today.” Every word is a weapon they will use to reduce your settlement.

The “Not Call 911” Protocol

We take the “Don’t Call 911” industry practice extremely seriously. We subpoena the park’s internal “Manager’s Training Manual.” We look for instructions on “incident mitigation” and “preventing scene chaos.” If we find a policy that discourages emergency calls, we seek punitive damages. For a child with an unstable cervical fracture, every minute of delay increases the risk of permanent paralysis. This is not just a training gap; it is fraud-grade conduct.

The park has lawyers. The corporate parent has lawyers. The private equity sponsor has lawyers. So do we. Call 1-888-ATTY-911.

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