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Blog | Brazoria County

City of Brookside Village Trampoline Park Injury Attorneys at Attorney911 of Houston TX: Ralph P. Manginello (25+ Years, Federal Court) and Lupe Peña (Former Recreational-Business Defense) Defeating Sky Zone, Urban Air, and DEFY Waivers; Experts in ASTM F2970, EN ISO 23659:2022, and AAP Standards for Pediatric TBI, Spinal Cord SCIWORA, Salter-Harris Growth Plate Fractures, and Rhabdomyolysis; Litigating Backyard Jumpking and Skywalker Defects plus Sky Rider and Climbing Wall Falls; Referencing Cosmic Jump $11.485M Harris County Verdict and Damion Collins $15.6M Urban Air Arbitration; Holding Sky Zone Inc (Palladium Equity) and Unleashed Brands (Seidler Equity) Accountable for Corporate Negligence; Applying Delfingen Bilingual Unconscionability and Tex. Fam. Code 153.073 Signer-Authority Defeats; Hablamos Español, 1-888-ATTY-911, No Fee Unless We Win.

April 25, 2026 12 min read
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Brookside Village Trampoline Injury Law: The Complete Guide for Families

One moment, your child is laughing at a birthday party near Brookside Village. The next, you hear it—what 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 years old when his femur was snapped by a double-bounce.

In Brookside Village, we live in a community defined by family values and active kids. Whether you are visiting the Urban Air in nearby Pearland or have a Jumpking sitting in your own backyard in Brazoria County, you trust that the equipment is safe. But the data tells a different story.

At Attorney911, led by Ralph Manginello with over 25 years of trial experience, we know that a trampoline injury is never just an “accident.” It is the predictable output of a business decision. We have stood by parents in trauma bays at Texas Children’s Hospital while surgeons explain how a destroyed growth plate at age nine changes a child’s height and gait for the next seventy years.

If your child was injured in Brookside Village or the surrounding Houston metro area, you are facing a system designed to silence you. The park hands you a kiosk waiver. Their insurance adjuster calls with a “friendly” check-in. They offer to pay your ER copay in exchange for a signature.

Don’t sign. Don’t wait. The park’s surveillance footage in Brookside Village is likely set to overwrite in as little as 7 to 30 days. We send our spoliation letters within 24 hours of being hired.

Call 1-888-ATTY-911. Hablamos Español. Our associate attorney Lupe Peña used to defend these same insurance companies. Now, he uses their own playbook to defeat them.

The Reality of Trampoline Injuries in Brookside Village and Brazoria County

Brookside Village sits in the heart of one of the most saturated trampoline park markets in the world. Between the Highway 288 corridor and the Sam Houston Tollway, thousands of families visit chains like Sky Zone, Urban Air, and Altitude every weekend.

Nationally, the Consumer Product Safety Commission (CPSC) tracks over 300,000 trampoline-related ER visits annually. The vast majority involve children. In a 2024 study published in Pediatrics by Teague et al., researchers found that injury rates in foam pits sit at roughly 1.91 per 1,000 jumper-hours. If a park in the Brookside Village area hosts 500 kids on a Saturday, the math says someone is likely leaving with a significant injury.

The Five-Layer Defendant Stack

When we file a lawsuit for a Brookside Village family, we don’t just sue the local “Urban Air” or “Sky Zone.” We pierce the architecture. “Sky Zone” is not one company. It is a layered shield:

  1. The Operator LLC: The local entity in Pearland or Houston that holds the lease.
  2. The Franchisee: The multi-unit owner group.
  3. The Franchisor: Sky Zone Franchising LLC or UATP Management LLC (Urban Air).
  4. The Corporate Parent: Sky Zone, Inc. (formerly CircusTrix LLC), backed by private equity firm Palladium Equity Partners since 2018.
  5. The Private Equity Sponsor: The money upstream like Seidler Equity Partners (which acquired Urban Air’s parent, Unleashed Brands, in 2023).

We go upstream because the local LLC is often undercapitalized. The real money—the multi-million dollar excess insurance towers—lives at the parent level. We’ve gone head-to-head with Fortune 500 corporations like BP, Walmart, and Amazon. The private equity sponsors behind these jump parks don’t intimidate us.

Why “Waivers” Don’t Stop Brookside Village Families

The most common thing we hear from parents in Brookside Village is: “I signed the waiver at the kiosk, so I probably don’t have a case.”

Think again. In Harris County and Brazoria County, we rely on the $11.485 million verdict in the Cosmic Jump case. In that case, a 16-year-old fell through a tear in a trampoline slide onto concrete. The jury found gross negligence and awarded $6 million in punitive damages. The waiver was signed. It did not matter.

Under Texas law and the Dresser Industries v. Page Petroleum doctrine, a waiver must meet the “fair notice” standard. This means it must be conspicuous and use the express word “negligence.” Many kiosk waivers in Brookside Village fail this test.

Furthermore, the Texas case of Munoz v. II Jaz Inc. established that a parent cannot bind a minor child to a pre-injury waiver of the child’s own personal injury claim. Your signature might affect your own rights, but in Brookside Village, it does not extinguish your child’s right to be made whole.

The Bilingual Formation Advantage

Brookside Village is a diverse community. If your primary language is Spanish and the park presented you with an English-only iPad waiver at a busy counter, that waiver may be void. We use the Delfingen US-Texas v. Valenzuela doctrine to argue that no valid contract was formed because you were not given a meaningful opportunity to understand what you were signing.

Lupe Peña habla con usted directamente—sin intérpretes. Si firmó el documento en inglés y su idioma principal es español, el caso Delfingen puede invalidar la renuncia. Llame al 1-888-ATTY-911.

The Science of the “Double-Bounce” in Brookside Village Parks

You’ve seen it at the park near Brookside Village: a 200-pound adult jumping near an 80-pound child. This is a violation of ASTM F2970, the safety standard the trampoline industry actually wrote for itself.

When that adult lands while the child is pushing off, kinetic energy is transferred through the mat. The child’s launch force is multiplied by up to four times. The child isn’t jumping anymore; they are a projectile. They land with a force their developing bones cannot absorb.

Pediatric Bone Biomechanics

Children’s bones in Brookside Village are not just smaller versions of adult bones. They have growth plates (physes). A Salter-Harris fracture—an injury that goes through the growth plate—is the silent catastrophe of the trampoline industry.

At age seven, a Salter-Harris fracture might look like a simple broken ankle. But by age twelve, if that growth plate was destroyed, one leg may be measurably shorter than the other. This requires a decade of orthopedic monitoring, corrective osteotomies, and a Life-Care Plan that accounts for seventy years of impact. We work with pediatric orthopedic surgeons and life-care planners to make sure the insurance company pays for the child your son or daughter will become, not just the child they are today.

The Under-Reported Emergency: Rhabdomyolysis

If your child spent two hours jumping at an indoor park near Brookside Village and arrived home exhausted, pay close attention to the next 48 hours.

We are currently litigating a $10 million lawsuit against the University of Houston involving rhabdomyolysis and acute kidney failure. The physiology is identical to what happens after extended trampoline jumping. When muscles are overworked in a hot, dehydrated environment, they rupture, spilling myoglobin into the blood.

Watch for these red flags:

  • Urine that looks like cola or iced tea.
  • Muscle pain that is “wildly out of proportion” to the activity.
  • Extreme listlessness or confusion.

If you see these symptoms in Brookside Village, go to the Level 1 Pediatric Trauma Center at the Texas Medical Center immediately. Ask for a creatine kinase (CK) test. High CK levels (exceeding 10,000 U/L) confirm a medical emergency.

The 48-Hour Evidence Preservation Protocol

The moment an injury happens in a Brazoria County park, the clock starts. The park’s risk management team is already at work. They aren’t trying to help you; they are trying to protect their margin.

  • Surveillance Spoliation: Most Brookside Village area parks use DVR systems that overwrite every 7 to 30 days. In the Mathew Knight case, a jury awarded $3.5 million because the park’s video “glitched” on four different cameras at the exact moment of the injury. We don’t take “the video is missing” for an answer. We demand the hard drive.
  • Incident Report Revisions: The report you see at the park is often “revised” by corporate counsel before it reaches discovery. We subpoena the metadata to see every edit and timestamp.
  • The “Don’t Call 911” Policy: A parent review of an Urban Air in Southlake, Texas, alleged that staff were instructed not to call 911 to downplay injuries. We investigate the dispatch logs of Brazoria County EMS to see how many times “broken shoulders” were actually shattered tibias.

Common Brookside Village Trampoline Accident Mechanisms

Mechanism Violated Standard Liable Parties
Double-Bounce ASTM F2970 Age/Weight Separation Operator, Franchisor, Parent
Foam Pit Bottom-Out ASTM F2970 Depth Specifications Maintenance Vendor, Operator
Harness Failure Climbing Wall Standards / Matthew Lu Precedent Ropes Courses Inc., Urban Air
Spring Strike ASTM F381 / Padding Inspection Mat Manufacturer, Homeowner
Sky Rider/Zipline Chain-wide Design Defect Pattern UA Attractions LLC, Seidler Equity

We don’t just “handle” these cases. We cite the exact ASTM F2970 subsections from memory. We know that if a park in Brookside Village didn’t have one attendant per court, they were operating below the safety floor the industry set for itself.

Why Brookside Village Families Choose Attorney911

We represent families. We represent the parent standing at the hospital bedside watching a surgeon explain what happened when a growth plate was destroyed.

  • 25+ Years Experience: Ralph Manginello has been fighting corporate defendants since 1998.
  • The Defense Edge: Lupe Peña knows exactly which waiver clauses Texas courts void because she used to write them for the other side.
  • No Fee Unless We Win: We advance every cost—the $10,000 biomechanical engineer, the $15,000 life-care planner, the ASTM experts. You pay nothing from your pocket.
  • Brazoria County Knowledge: We know the local courts, the local medical systems, and the specific history of the parks serving Brookside Village.

As our client Chad Harris said, “You are NOT just some client… You are FAMILY to them.”

Frequently Asked Questions for Brookside Village Parents

“Can I sue if I signed the paper waiver?”

Yes. Texas courts routinely throw out waivers for gross negligence, failure to meet the Dresser express-negligence rule, or because a parent cannot waive a minor’s claim under Munoz. The $11.485M Cosmic Jump verdict in Harris County proved that a piece of paper is not a shield for a park that ignores torn equipment.

“What is my child’s case worth?”

In catastrophic cases, settlements and verdicts anchor in the $2M to $15M range. For a secondary fracture or growth plate injury, cases often resolve between $500,000 and $2M depending on future medical needs. A “broken ankle” at age eight is never just an ankle; it’s a decade of monitoring.

“Who is responsible for a backyard injury in Brookside Village?”

If a neighbor’s child was hurt at your house, the “attractive nuisance” doctrine applies. If the trampoline frame welds failed, we sue the manufacturer like Jumpking or Skywalker. If it was sold at Walmart, we may reach Walmart’s insurance tower under the retailer-as-seller doctrine (Bolger v. Amazon).

“They offered to pay my medical bills. Should I take it?”

No. This is a “Med-Pay” trap. Signing the release on the back of that check ends your case. The $3,000 they offer today doesn’t cover the $30,000 surgery your child will need at age sixteen to fix an angular deformity.

Your Child Deserves Accountability. Call 1-888-ATTY-911.

What happened at the park near Brookside Village wasn’t an accident. It was the result of a system that put margin ahead of your child’s safety. The parent conglomerates behind Sky Zone, Urban Air, and Altitude have risk-management teams. Their insurers have panel law firms. Their waivers were drafted by corporate lawyers.

You need a team that fights back harder.

We answer 24/7. We offer free consultations. No fee unless we win.

1-888-ATTY-911 (888-288-9911)
Attorney911 / The Manginello Law Firm, PLLC
Houston · Austin · Beaumont

Hablamos Español. Su familia merece un abogado que peleará tan duro como peleó la familia Lakhani en Sugar Land. Llame hoy.

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