VRTX Releases Video Featuring Kubota Spears Funabashi Tokyo Bay Training Methods
Japan Insider has announced an official supplier contract with NTT Japan Rugby League One's Kubota Spears Funabashi Tokyo Bay, releasing videos showing how VRTX is used in their training.
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- 📰 Published: May 22, 2026 at 19:00
- 🔍 Collected: May 22, 2026 at 10:31
- 🤖 AI Analyzed: May 22, 2026 at 10:48 (16 min after Collected)
Japan Insider, the domestic distributor of VRTX—fitness bands offering next-generation training experiences—announced in June 2025 that it has entered into an official supplier contract with the NTT Japan Rugby League One team, Kubota Spears Funabashi Tokyo Bay. The team is currently utilizing VRTX in their actual training sessions.
VRTX has released an interview video titled "Approaching the Frontlines that Support the Strength of the Rugby Team Kubota Spears Funabashi Tokyo Bay," featuring the team's Strength & Conditioning (S&C) coach.
In the video, Shingo Urayama, the Head S&C Coach who works with players daily, introduces his philosophy on physical strengthening for team building and the training policies based on the characteristics of rugby. The video also covers the significance of tube training utilizing VRTX in real-world scenarios.
In addition, VRTX has released "HOW TO" videos by Mr. Urayama for utilizing the bands more effectively. These videos provide basic instructions as well as examples of applications practiced in competitive settings.
Video Overview
Head S&C Coach Shingo Urayama Interview Video
"Approaching the Frontlines that Support the Strength of the Rugby Team Kubota Spears Funabashi Tokyo Bay"
Head S&C Coach Shingo Urayama discusses the team's philosophy on physical enhancement, training policies, and the significance of tube training.
HOW TO Videos
Four types of training menus by Mr. Urayama for specific purposes have been released:
(1) Rugby Neck & Core Training Menu: 4 exercises covering everything from neck strengthening to core work.
(2) Rugby Warm-up Menu: Pre-scrum and line-out preparations practiced by professionals.
(3) Rugby Lower Body Training Menu: 4 exercises to increase acceleration and driving force.
(4) Rugby Upper Body Training Menu: 3 exercises for shoulders, back, and chest.
About Kubota Spears Funabashi Tokyo Bay
Kubota Spears Funabashi Tokyo Bay is a professional rugby team belonging to the NTT Japan Rugby League One. Established in 1978, the team aims to be a "Proud Billboard" for its stakeholders. In the 2022-23 season, the team achieved its first-ever championship. Beyond team enhancement, it actively engages in social contribution activities, including promoting SDGs and rugby youth development.
About VRTX
Born in Los Angeles in 2019, VRTX is a training tube developed to provide a comfortable training experience. Its unique textile-rubber hybrid structure achieves a high level of safety, durability, and texture. Currently available in over eight countries with total cumulative sales exceeding 200,000 units, it is used by top domestic teams in Japan, including the Kubota Spears. It received the Japanese Good Design Award in 2023.
VRTX has released an interview video titled "Approaching the Frontlines that Support the Strength of the Rugby Team Kubota Spears Funabashi Tokyo Bay," featuring the team's Strength & Conditioning (S&C) coach.
In the video, Shingo Urayama, the Head S&C Coach who works with players daily, introduces his philosophy on physical strengthening for team building and the training policies based on the characteristics of rugby. The video also covers the significance of tube training utilizing VRTX in real-world scenarios.
In addition, VRTX has released "HOW TO" videos by Mr. Urayama for utilizing the bands more effectively. These videos provide basic instructions as well as examples of applications practiced in competitive settings.
Video Overview
Head S&C Coach Shingo Urayama Interview Video
"Approaching the Frontlines that Support the Strength of the Rugby Team Kubota Spears Funabashi Tokyo Bay"
Head S&C Coach Shingo Urayama discusses the team's philosophy on physical enhancement, training policies, and the significance of tube training.
HOW TO Videos
Four types of training menus by Mr. Urayama for specific purposes have been released:
(1) Rugby Neck & Core Training Menu: 4 exercises covering everything from neck strengthening to core work.
(2) Rugby Warm-up Menu: Pre-scrum and line-out preparations practiced by professionals.
(3) Rugby Lower Body Training Menu: 4 exercises to increase acceleration and driving force.
(4) Rugby Upper Body Training Menu: 3 exercises for shoulders, back, and chest.
About Kubota Spears Funabashi Tokyo Bay
Kubota Spears Funabashi Tokyo Bay is a professional rugby team belonging to the NTT Japan Rugby League One. Established in 1978, the team aims to be a "Proud Billboard" for its stakeholders. In the 2022-23 season, the team achieved its first-ever championship. Beyond team enhancement, it actively engages in social contribution activities, including promoting SDGs and rugby youth development.
About VRTX
Born in Los Angeles in 2019, VRTX is a training tube developed to provide a comfortable training experience. Its unique textile-rubber hybrid structure achieves a high level of safety, durability, and texture. Currently available in over eight countries with total cumulative sales exceeding 200,000 units, it is used by top domestic teams in Japan, including the Kubota Spears. It received the Japanese Good Design Award in 2023.
FAQ
Japan Insiderはどのラグビーチームと契約していますか？
NTTジャパンラグビーリーグワン所属の「クボタスピアーズ船橋・東京ベイ」とオフィシャルサプライヤー契約を締結しています。
公開された動画の内容は何ですか？
ヘッドS&Cコーチ・浦山真吾氏によるチームのフィジカル強化方針の解説と、VRTXを活用したトレーニングの実践HOW TO動画です。
VRTXとはどのような製品ですか？
2019年に米国ロサンゼルスで誕生した、繊維とゴムを組み合わせたハイブリッド構造のトレーニングチューブです。
クボタスピアーズ船橋・東京ベイの概要は？
1978年創部、NTTジャパンラグビーリーグワン所属。2022-23シーズンには初の日本一を達成しました。
VRTXの特長は何ですか？
米国特許取得のハイブリッド構造による高い安全性、耐久性、肌ざわりの良さが特長で、2023年にはグッドデザイン賞を受賞しています。