“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.” That is Kaitlin “Kati” Hill, a mother whose three-year-old son, Colton, suffered a broken femur during a “Toddler Time” session at a trampoline park. Colton spent months in a body cast. Kati shared her story on social media, and more than 240,000 parents shared it with her, all repeating the same heartbreaking refrain: “We had no idea.”
If you’re reading this at 11 PM from a hospital waiting room at Children’s Medical Center Dallas or another Level 1 pediatric trauma center serving the City of Duncanville, you are now part of a group no parent ever wants to join. Your child was at a birthday party, an open-jump session, or simply playing in a neighbor’s backyard near the Wheatland Road corridor or along US-67. Then, in two seconds, everything changed.
We’re here to tell you that what happened to your child wasn’t a freak accident. It was the predictable result of an industry that, for decades, has put profit margins ahead of pediatric safety. At The Manginello Law Firm — Attorney911 — we don’t just handle personal injury cases. We dismantle the systems that allowed your child to get hurt.
Our Managing Partner, Ralph Manginello, brings over 25 years of courtroom experience, including federal court admission in the Southern District of Texas. He’s gone head-to-head with some of the largest corporations in the world, including BP after the Texas City refinery litigation. The private equity groups and national franchisors behind Sky Zone, Urban Air, and Altitude don’t intimidate us. We’ve already beaten their playbook.
Our team also includes associate attorney Lupe Peña, who used to work on the other side of the table. He spent years defending insurance companies and recreational businesses against the exact kind of claim you have right now. He wrote the waivers. He trained the adjusters. He knows where the holes are because he used to try and plug them. Today, he uses that insider knowledge to fight for families in the City of Duncanville.
If you’re in the City of Duncanville, you’re in a high-density trampoline park market. With Urban Air headquartered nearby in Grapevine and Altitude in Fort Worth, these chains have more locations in North Texas than anywhere else in the world. But more parks mean more injuries. In fact, a recent investigation found that there were over 500 documented injury reports at North Texas trampoline parks over a seven-year period. Your child isn’t a statistic; they’re a victim of a documented pattern.
Don’t let a kiosk waiver or a friendly adjuster’s phone call talk you out of your rights. Call us at 1-888-ATTY-911. Hablamos Español. Our spoliation letter goes out within 24 hours of your call to ensure that surveillance video and incident reports don’t “disappear.” The case starts today.
What Happened: The Physics of Trampoline Injuries in the City of Duncanville
When a child gets hurt at a park like the Sky Zone in Irving or the Urban Air in Mansfield, the park’s first move is to blame “the inherent risk of jumping.” We don’t accept that framing, and neither should you. Trampoline injuries follow specific, documented physical and biological laws.
The Double-Bounce: A Physics-Driven Catastrophe
The most common injury mechanism in the City of Duncanville is the double-bounce. This happens when two jumpers — often of different sizes — land on the same trampoline bed out of phase. The physics are brutal: when a 200-pound adult lands while a 60-pound child is pushing off, the energy transfer multiplies the child’s launch force by up to 4x.
The child isn’t just jumping anymore; they’ve been turned into a projectile. This is why ASTM F2970, the industry standard for commercial trampoline courts, requires parks to separate jumpers by age and weight. When a City of Duncanville park ignores this rule on a busy Saturday afternoon to increase throughput, they aren’t managing “inherent risk.” They are committing gross negligence.
Foam Pit Injuries: The Depth Deception
Foam pits look like the safest place in the park. They aren’t. We’ve seen catastrophic cervical spine injuries occur because foam pits were compacted, poorly maintained, or lacked the proper depth required by ASTM F2970.
A 30-year-old father named Ty Thomasson died at a park in Phoenix because the foam pit was only 2 feet, 8 inches deep instead of the recommended 6 feet. His mother fought for “Ty’s Law” to regulate these parks because the industry wouldn’t regulate itself. In the City of Duncanville, where Texas law does not mandate state inspections for trampoline decks, you are relying entirely on the park’s own management of these pits. If the foam blocks haven’t been rotated or replaced, your child is effectively diving into a hard floor.
The Emerging Risk: Exertional Rhabdomyolysis
Families in the City of Duncanville are increasingly seeing a terrifying condition called rhabdomyolysis. This happens when a child jumps for an extended session — such as a two-hour “all-day” pass — in a heated indoor facility without adequate hydration. The muscle tissue physically breaks down and releases a protein called myoglobin into the bloodstream.
This is the exact same condition we are currently litigating in a $10 million lawsuit against the University of Houston. If your child has dark, “cola-colored” urine or extreme muscle pain 24 hours after visiting a park, go to the ER immediately. This is acute kidney failure in the making, and it’s a direct result of the park’s failure to implement hydration and rest protocols.
The clock is ticking on your evidence. Park surveillance DVRs in the City of Duncanville typically overwrite within 7 to 30 days. If you don’t act now, the video of your child’s injury could be gone forever. Call 1-888-ATTY-911.
Who is Responsible: Piercing the Corporate Shield in Dallas County
The park where your child was hurt in the City of Duncanville likely has a famous name like Sky Zone, Urban Air, or DEFY. But if you try to hold them accountable, you’ll find a maze of LLCs designed to keep you away from the actual money.
The 5-Layer Defendant Stack
Most personal injury firms only sue the local park operator. We go higher. To get a full recovery for a life-altering injury, we pursue the entire stack:
- The Operator LLC: The entity that owns the specific City of Duncanville location.
- The Franchisee: The multi-unit ownership group that might own five or ten different parks.
- The Franchisor: Entities like Sky Zone Franchising LLC or UATP Management LLC.
- The Corporate Parent: Sky Zone, Inc. (formerly CircusTrix) or Unleashed Brands.
- The Private Equity Sponsor: Firms like Palladium Equity Partners or Seidler Equity Partners.
We’ve litigated against Fortune 500 companies like BP, Walmart, and Amazon. We know how to navigate complex corporate structures to find the deep-pocket insurance policies that actually cover a $5 million or $10 million life-care plan.
Identifying the Real Cause of the Injury
In our view, the person who caused your child’s injury isn’t just the 17-year-old “court monitor” who was on his phone instead of watching the court. The responsibility goes to the corporate managers who decided to cut staffing ratios to save money.
ASTM F2970 is the safety standard the industry wrote about itself. It sets a “floor” for staffing and maintenance. When our firm investigates a case in the City of Duncanville, we don’t just look at what happened on the trampoline. We look at the quarterly profit targets that forced the manager to understaff the park that day. We look at the franchisor audits that identified safety gaps months earlier — gaps the park chose not to fix.
The Insurance Layer Reality
The primary insurance policy at most City of Duncanville parks is usually between $1 million and $5 million. For a permanent spinal cord injury (SCI) or a severe traumatic brain injury (TBI), that isn’t enough to cover even the first ten years of care.
We find the umbrella policies, the excess layers, and the franchisor’s additional-insured coverage. As Lupe Peña often tells our clients, “The insurance company’s opening line is usually a lie about their policy limits.” We know where to look to find the real numbers.
If your child was injured at a birthday party facility in the City of Duncanville, don’t take a “Med-Pay” check from the insurer. These small checks often come with a release that ends your case. Talk to us first at 888-ATTY-911.
The Waiver: Why Your Signature Is Not a Dead End
Every parent in the City of Duncanville has stood at that iPad kiosk, pressured by a long line and excited children, and clicked “I Agree.” The park wants you to believe that signature ended your child’s rights. They are wrong.
The Texas “Fair Notice” Doctrine
Texas law is very specific about what makes a waiver enforceable. Under the Dresser Industries v. Page Petroleum doctrine, a release of future negligence must be conspicuous and meet the express negligence rule.
- Conspicuousness: The waiver text must be in a larger font, contrasting color, or otherwise set apart so a “reasonable person” would notice it. Electronic waivers that require endless scrolling often fail this test in Texas courts.
- Express Negligence: The waiver must specifically use the word “negligence.” A general statement like “we aren’t responsible for anything” won’t cut it.
Parental Indemnity: Why Children Can’t Be Bound
In Texas, the landmark case of Munoz v. II Jaz Inc. established that a parent cannot sign away a minor child’s personal injury claim in advance. Your signature may bar your own right to sue for medical bills, but it does NOT bar your child’s independent claim for their own pain, suffering, and permanent impairment.
Furthermore, we often see waivers signed by grandmothers, aunts, or siblings at City of Duncanville quinceañeras or large family gatherings. Texas Family Code § 153.073 is clear: only a legal guardian has signing authority for a child. If the wrong person signed the iPad, the waiver is a legal nullity.
The 2025 Jurisdictional Split: Arbitration Challenges
The law is changing fast. In May 2025, the Texas Supreme Court decided Cerna v. Pearland Urban Air, which protected certain “delegation clauses” in arbitration agreements. However, that same week, the Pennsylvania Supreme Court ruled in Santiago v. Philly Trampoline Park that parents absolutely cannot bind minors to arbitration.
What does this mean for your City of Duncanville case? It means you need an attorney who is reading last night’s court filings, not last year’s textbooks. We know how to challenge these clauses based on procedural unconscionability and the Delfingen doctrine — which protects Spanish-speaking families who were handed an English-only waiver they couldn’t understand.
Think your waiver is ironclad? Think again. We’ve seen multimillion-dollar verdicts like the $11.485M Cosmic Jump award handed down despite signed waivers. Call us at 1-888-ATTY-911 for a free waiver analysis. No fee unless we win.
Catastrophic Injuries: The True Cost of a Trampoline Accident
When your child comes off a court in the City of Duncanville with a broken leg, the ER doctor might call it a “clean break.” From a legal and medical perspective, there is no such thing as a clean break in a growing child.
Salter-Harris: The Growth Plate Danger
Pediatric bones contain growth plates (physes) that are made of cartilage. These are the weakest parts of a child’s skeleton. A “Salter-Harris” fracture isn’t just a broken bone; it’s a disruption of your child’s future development. An injury at age 9 might not show its true damage until age 14, when one leg ends up two inches shorter than the other.
Most law firms settle for the current medical bills. We build a Pediatric Life-Care Plan that accounts for the next ten years of orthopedic monitoring, potential corrective surgeries, and the lifetime biomechanical impact.
SCIWORA: The Spinal Cord Injury You Can’t See
Children in the City of Duncanville are at unique risk for SCIWORA — Spinal Cord Injury Without Radiographic Abnormality. Because a child’s spine is more elastic than an adult’s, the spinal cord can be severely stretched or compressed even if the X-ray or CT scan looks “normal.”
A child might leave a foam pit feeling “stiff” and wake up the next morning unable to feel their toes. The AJR 2024 Pictorial Essay “Pediatric Trampoline Injuries Head to Toe” confirmed that 1.6% of all pediatric emergency trauma is now trampoline-related. These are specialized injuries that require specialized experts.
Vertebral Artery Dissection: The Stroke Risk
We follow the story of Elle Yona, whose TikTok about her trampoline-park stroke went viral with over 27 million views. A backflip into a foam pit caused an intimal tear in her vertebral artery — a “spinal cord stroke.” It was initially misdiagnosed as a panic attack.
In the City of Duncanville, if your teenager has sudden, severe neck pain or neurological symptoms after a jump, don’t let a “panic attack” diagnosis stop you from seeking a second opinion and a neurologist. We have the medical experts who understand this physiology and can testify to how the park failed to warn you about it.
Economic and Hidden Damages
A catastrophic injury at a place like the Urban Air in Southlake or Altitude in Cedar Hill involves more than just hospital costs. We calculate:
- Future Special Education Needs: TBI-related cognitive decline often requires IEPs and tutors.
- Loss of Earning Capacity: What will your child’s adult income look like if they can no longer pursue their chosen career?
- Post-Splenectomy Risks: If your child lost their spleen to a trampoline impact, they face a lifetime risk of OPSI (Overwhelming Post-Splenectomy Infection).
We currently represent families who are struggling with mounting bills while the trampoline park’s insurer slow-walks the claim. 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.”
Don’t let your child’s recovery fund be limited by an insurance adjuster’s spreadsheet. Call 1-888-ATTY-911 to build your Pediatric Life-Care Plan today.
Evidence Preservation: Why You Have to Act Within 48 Hours
In the City of Duncanville, the most important evidence in your case is likely stored on a digital video recorder (DVR) inside the park manager’s office. And that evidence is being deleted every single day.
The 7-to-30 Day Overwrite Cycle
Most trampoline parks in North Texas, including major chains like Sky Zone and Urban Air, use surveillance systems that automatically overwrite old footage once the hard drive is full. For a system with 32 cameras high-definition (HD), that overwrite typically happens in as little as 7 to 30 days.
If you wait for the “friendly adjuster” to finish her “investigation” before you hire a lawyer, you are waiting for the evidence to be erased. We send a formal spoliation letter via certified mail within 24 hours of being hired. This letter places the park on legal notice: if they delete that video now, we will ask the judge for an adverse inference instruction, telling the jury to assume the video was deleted because it proved the park was negligent.
Metadata and Incident Report “Revisions”
The incident report filled out the night your child was hurt at an Altitude or Launch park in the City of Duncanville is likely an electronic document. These systems track metadata — who edited the document, when the edit was made, and what the original text said.
It is an open industry secret that incident reports are often “sanitized” by risk managers 48 hours after an accident. The first version saying “the monitor was on his phone” gets changed to “unavoidable accident.” Our digital forensic experts, using tools like EnCase and Magnet AXIOM, can subpoena and recover that version history. We catch them in the lie.
The “Don’t Call 911” Tactic
We are deeply concerned by reports from parks like the Urban Air in Southlake, where parents have publicly alleged that management had a policy of discouraging staff from calling 911. Every minute of delay is a minute of lost evidence and a minute of increased medical risk for your child.
When we investigate a case in the City of Duncanville, we don’t just ask the park for their records. We subpoena the 911 CAD (Computer-Aided Dispatch) logs and local EMS run sheets. The delta between the time of injury and the time the park actually called for help is often our strongest evidence of gross negligence.
Ex-Employee Outreach
Trampoline park staff in DFW have a turnover rate of nearly 150% annually. The teenagers who saw your child get hurt often quit within 90 days. We use the private investigator network we built for our BP and Fortune 500 litigation to find these ex-employees.
Once they leave the park’s payroll, they are often willing to tell the truth. They’ll tell us about the broken springs the manager refused to replace or the “Glow Night” shifts where they were assigned 60 jumpers each. These “insider” witnesses are how we pierce the corporate shield.
The DVR is clicking. The metadata is being edited. The witnesses are quitting. Don’t wait. Call 1-888-ATTY-911 right now. Hablamos Español.
Backyard Trampolines: The Dangerous Product in City of Duncanville Yards
While commercial parks get the headlines, backyard trampolines remain the most dangerous consumer product in America. The American Academy of Pediatrics has advised against home trampoline use since 1999. Most City of Duncanville parents don’t know that — because the manufacturers don’t want you to know.
Manufacturer Liability: Jumpking, Skywalker, and Springfree
If your child was injured on a backyard trampoline near Joe Pool Lake or a suburban Duncanville neighborhood, the homeowner might not be the only responsible party. We look at the Product Liability Stack:
- Manufacturing Defects: A broken weld or a frame that snapped under a normal load (common in Jumpking and Skywalker recall histories).
- Design Defects: The lack of a center marking or an enclosure system that “catches” feet between the mat and the springs (Anderson v. Hedstrom).
- Failure to Warn: Manuals that don’t clearly state the risk of paralysis or the single-jumper rule.
The Homeowners Insurance Exclusion
If your neighbor’s child was injured in your backyard in the City of Duncanville, you might be in for a shock: most homeowners’ insurance policies (HO-3 and HO-5) in Texas now carry a trampoline exclusion. If you didn’t tell your insurer about the trampoline, they may decline to defend you or pay the claim.
This is why we aggressively pursue Retailer Liability. If Walmart sold you a Bouncepro or Amazon sold you an Amazon Basics trampoline that was defective, we may be able to hold the retailer accountable as a “seller” under the Bolger v. Amazon doctrine.
The Attractive Nuisance Doctrine
Texas law recognizes that trampolines are an “attractive nuisance.” If a neighborhood child wanders onto your property in the City of Duncanville and gets hurt, you may be liable even if they were technically trespassing. We look at whether you had a locked gate, a ladder removed, or a safety net in place.
Whether it’s a Sky Zone in Irving or a Jumpking in a suburban backyard, the law requires a standard of care. If that standard was breached, you have a case. Call 1-888-ATTY-911.
Frequently Asked Questions for City of Duncanville Families
Q: Can I sue if I signed the waiver at the City of Duncanville area trampoline park?
A: Yes. In Texas, waivers do not cover gross negligence, and under Munoz v. II Jaz, they generally cannot legally bind your minor child. If the park violated ASTM F2970 standards — like understaffing or poor maintenance — the waiver is often irrelevant.
Q: How much is my child’s trampoline injury case worth?
A: Every case is unique. However, we anchor our demands in national and Texas verdicts. The Cosmic Jump Houston verdict reached $11.485 million, and the Damion Collins arbitration reached $15.6 million. Even non-catastrophic fracture cases in Dallas County often reach the $50,000 to $500,000 range depending on long-term growth-plate damage.
Q: How do we pay for an expert lawyer?
A: You pay us nothing upfront. We work on a contingency fee basis — 33.33% pre-trial and 40% if we go to trial. We advance all the costs of the case, including the biomechanical engineer who will reconstruct the double-bounce and the life-care planner who projects your child’s future needs.
Q: The park’s insurance company offered to pay our medical deductible. Should we take it?
A: No. We call this the “Med-Pay Trojan Horse.” These checks almost always come with a release form on the back. Once you deposit it, your case is closed for a fraction of its true value. Call us first at 1-888-ATTY-911 and let us review the paperwork.
Q: What is “Rhabdo” and how is it related to a jump park visit?
A: “Rhabdo” (rhabdomyolysis) is a medical emergency where muscle tissue breaks down from overexertion or heat. We are currently litigating a $10 million lawsuit against the University of Houston for this exact condition. If your child has muscle pain or dark urine after a long jump session, go to the ER now.
Q: How long do I have to sue a trampoline park in Texas?
A: For adults, the statute of limitations is 2 years. For minors, the clock is “tolled” until they turn 18, meaning they have until age 20. But do not wait. Surveillance video is deleted in weeks, and the incident report can be edited before we reach it. Your evidence window is much shorter than your legal window.
Q: My family’s primary language is Spanish. Will that help my case?
A: Under the Delfingen US-Texas v. Valenzuela doctrine, if you were forced to sign an English-only waiver and you don’t read English, the waiver can be voided for lack of “formation.” Lupe Peña is our native Spanish speaker and will handle your case directly. No interpreters, no delays.
Q: Is the Urban Air in Mansfield or Southlake safer than the Sky Zone in Irving?
A: No chain is inherently safer. The safety of a park depends on the local franchisee’s commitment to ASTM F2970 staffing ratios on any given day. A well-run park on a Tuesday can become a dangerous gauntlet on a busy Saturday if the manager cuts staffing to meet a profit goal.
Q: What if the monitor who was supposed to be watching was a 16-year-old on his phone?
A: That’s a classic failure-to-supervise claim. But we look deeper: Why was a 16-year-old left alone on a court with 50 kids? That points to a systemic training gap in the park’s operations manual, which lets us reach the franchisor’s deeper insurance pockets.
Q: My child was at a birthday party and I wasn’t there. The other parent signed. Am I bound?
A: Almost certainly not. Texas law only allows a parent or legal guardian to bind a child. If a friend’s parent signed for your kid, the waiver has zero authority over your family’s claims.
Why Choose Attorney911 for Your City of Duncanville Case?
You have dozens of choices for personal injury lawyers in Dallas County. Most of them “handle” trampoline cases. We build our practice around them.
Our Moat: The Seven Pillars of Our Firm
- Lupe Peña’s Defense Edge: Our lead associate used to work for the insurers. He knows their arguments because he used to write them.
- Federal Court Presence: Ralph Manginello is admitted to the Southern District of Texas and has been practicing since 1998. He bringing Fortune 500-level strategy to your case.
- ASTM Mastery: We don’t read ASTM F2970 for the first time when a case comes in. We’ve memorized the provisions.
- The UH Rhabdo Bridge: Our active $10M university-hazing litigation uses the same medical experts and physiology as trampoline-overexertion cases.
- BP Scale Battle History: We’ve gone toe-to-toe with multinational corporations and won. Sky Zone Inc. and Unleashed Brands are no different.
- Texas Roots, National Authority: We operate in Houston, Austin, and Beaumont but handle trampoline cases in every state.
- Z-Barrier Contingency: We advance every dollar of the investigation. You pay nothing unless we recover money for your child.
As client Chad Harris said: “You are NOT a pest to them and you are NOT just some client… You are FAMILY to them.” That’s the level of care we bring to the parent who is currently watching a surgeon explain what happens when a growth plate is destroyed at age nine.
We represent families. We represent children. We represent accountability. Call 1-888-ATTY-911 today for a free consultation. The case starts now.
Closing: What You Do Next in the City of Duncanville Matters
What happened to your child at the trampoline park wasn’t an accident — it was the predictable output of a system designed to maximize jumpers per hour. The AAP has been warning about these risks since 1999. The industry itself admits the danger in the very waivers they force you to sign. By the time the EMS unit left the parking lot, the park’s corporate risk team was already working to protect their assets.
You need a team that acts just as fast.
Your child’s case will be decided by what gets preserved this week. If the DVR overwrites the footage, or the “original” incident report is edited by a regional manager, the truth becomes much harder to find. If you accept a quick $2,500 check today, you could be losing the $5,000,000 your child will need for life-long care.
Attorney911 is built for this fight. We have the data, the medical expertise, and the corporate litigation history to turn a “freak accident” narrative into a corporate accountability case.
Call 1-888-ATTY-911.
Hablamos Español. Llamenos ahora.
No fee unless we win.
Spoliation letter sent within 24 hours.
Your family’s life changed in one bad landing. Let’s make the park account for every second that follows. The case starts today.
