Natsuki SADO

Profile Information

Affiliation: Assistant Professor, Institute of Health and Sport Sciences, University of Tsukuba

Degree: 博士（学術）(Mar, 2019, 東京大学)

Researcher number: 60844983
ORCID iD: https://orcid.org/0000-0002-3958-8193
J-GLOBAL ID: 201801020216001809
researchmap Member ID: B000298485

External link: https://sites.google.com/view/natsuki-sado-official-site/home

Research Interests

Research Areas

Research History

Jan, 2021 - Present

Assistant professor, University of Tsukuba
Apr, 2020 - Sep, 2021

非常勤講師, 明治薬科大学
Apr, 2019 - Dec, 2020

助教（任期付き）, スポーツ科学学術院, 早稲田大学
Apr, 2018 - Mar, 2019

非常勤講師, 東京学芸大学
Apr, 2016 - Mar, 2019

特別研究員, 学術振興会

Education

Apr, 2016 - Mar, 2019

広域科学専攻博士課程, 総合文化研究科, 東京大学大学院
Apr, 2014 - Mar, 2016

広域科学専攻修士課程, 総合文化研究科, 東京大学大学院
Apr, 2010 - Mar, 2014

Tsukuba University

Committee Memberships

Apr, 2023 - Present

International Journal of Sports and Health Sciences, Editor
Jan, 2022 - Present

Editorial Board Member of Sports Biomechanics journal, International Society of Biomechanics in Sports
Jan, 2022 - Present

Editorial Board Member of Sports Biomechanics journal, International Society of Biomechanics in Sports
Oct, 2021 - Present

Review Editor for Sports Science, Technology and Engineering, Frontiers in Sports and Active Living
Nov, 2022 - Aug, 2023

Scientific Committee, XXIX Congress of International Society of Biomechanics, International Society of Biomechanics
Jul, 2022 - Jul, 2022

Executive Committee member, 3-D Analysis of Human Movement [3D-AHM 2022], International Society of Biomechanics

Awards

Feb, 2026

BEST FACULTY MEMBER
Dec, 2025

JSB Academic Award, Japan Society of Biomechanics

Sado, N., Fujimori, T., Tobe, N.
Nov, 2025

New Investigator Award (Poster) Gold Medal (1st Place) (共同研究者 / 筆頭は研究室所属学生), International Society of Biomechanics in Sports

Ayaka Hobo, Hiroto Shiotani, Kosuke Hirata, Hiyo Inaba, Natsuki Sado
Mar, 2025

筑波大学体育科学研究奨励賞

佐渡夏紀
Dec, 2024

ISB Best Student Paper Award, International Society of Biomechanics

Hobo A., Tominaga T., Sado N.
Jul, 2024

Hans Gros Emerging Researcher Award, International Society of Biomechanics in Sports

Sado N.
Jul, 2024

World Athletic Award for Biomechanics (共同研究者 / 筆頭は研究室所属学生), International Society of Biomechanics

Hashimoto, S., Tominaga, T., Ohyama-Byun, K., Sado, N.
Jul, 2024

New Investigator Award (Poster) Bronze Medal (3rd Place) (共同研究者 / 筆頭は研究室所属学生), International Society of Biomechanics in Sports

Tominaga, T., Tasaki, Y., Sado, N.
Apr, 2024

Top Cited Article 2022-2023, Journal of Anatomy

Takahashi K., Shiotani H., Evangelidis, P. E., Sado N., Kawakami Y.
Mar, 2024

Top Downloaded Article, Journal of Anatomy

Takahashi K., Shiotani H., Evangelidis, P. E., Sado N., Kawakami Y.
Oct, 2023

日本トレーニング科学会若手研究奨励賞 (共同研究者), 日本トレーニング科学会

高橋克毅, 佐渡夏紀, 若原卓
Aug, 2023

World Athletic Award for Biomechanics (共同研究者 / 筆頭は研究室所属学生), International Society of Biomechanics

Fujimori, T., Tobe, N., Sado, N.
Aug, 2023

JSB-Award (Best Podium Presentation) (共同研究者), 29th Congress of International Society of Biomechanics / Japanese Society of Biomechanics

Shiotani, H., Takahashi, K., Tomari, K., Sado, N., Kawakami, Y.
Jul, 2023

New Investigator Award (Poster) Gold Medal (1st Place) (共同研究者 / 筆頭は研究室所属学生), International Society of Biomechanics in Sports

Fujimori, T., Tobe, N., Sado, N.
Dec, 2022

日本トレーニング科学会若手研究奨励賞 (共同研究者 / 筆頭は研究室所属学生), 日本トレーニング科学会

橋本昇悟, 藤森俊秀, 大山卞圭悟, 岡本嘉一, 中島崇仁, 佐渡夏紀
Nov, 2022

日本バイオメカニクス学会奨励賞 (共同研究者、筆頭は研究室所属学生), 日本バイオメカニクス学会

藤森俊秀, 戸邉直人, 佐渡夏紀
Nov, 2022

日本バイオメカニクス学会大会奨励賞 (共同研究者、筆頭は研究室所属学生), 日本バイオメカニクス学会

藤森俊秀, 戸邉直人, 佐渡夏紀
Nov, 2022

28th Annual Meeting of the Japanese Society of Biomechanics, Young Investigator Award (co-author)
Jul, 2022

New Investigator Award (Poster & Oral) 3rd Place (共同研究者), International Society of Biomechanics in Sports

Shiotani, H., Takahashi, K., Tomari, K., Honma, Y., Hayashi, H., Sado, N., Kumai, T., Kawakami, Y.
Jul, 2022

New Investigator Award (Poster & Oral) 3rd Place (共同研究者), International Society of Biomechanics in Sports

Shiotani, H, Takahashi, K, Tomari, K, Honma, Y, Hayashi, H, Sado, N, Kumai, T, Kawakami, Y

Papers

Mechanical Properties of Flexor Carpi Radialis Muscle-Tendon Unit in Shot Putters

Hashimoto, S., Tominaga, T., Fujimori, T., K, Ohyama-Byun, Okamoto, Y., Nakajima., T., Sado, N.

ARIHHP Human High Performance Forum 2026, Feb, 2026
Plantar Fascia Stiffness Accounts for Individual Variance in its Strain During Hopping at Different Frequencies in Females

Hashimoto, S., Sado, N.

ARIHHP Human High Performance Forum 2026, 43(1), Feb, 2026
Biomechanical inter-relationships between physical and motor features in maximal effort locomotion

Sado, Natsuki

Sports Biomechanics, 1-23, Dec, 2025 Peer-reviewed
Proximal-specific reduced mass of lower limbs in male endurance runners does not result in improved mechanical ease of leg swing in proportion to reduced mass

Edagawa, Takeshi, Fujimori, Toshihide, Hashimoto, Shogo, Okamoto, Yoshikazu, Nakajima, Takahito, Sado, Natsuki

Journal of Biomechanics, 193, Dec, 2025 Peer-reviewedCorresponding author
Effect of Lumbar Spine Motion on Psoas Major Length during Running at Different Speeds

Tominaga, Tempei, Sado, Natsuki

International Journal of Sports Medicine, Nov, 2025 Peer-reviewed
Mechanical properties of the gastrocnemius muscle-tendon unit in male athletic high jumpers

Fujimori, Toshihide, Sado, Natsuki

Physiological Reports, 13(9), May, 2025 Peer-reviewedCorresponding author
Speed-dependent increase in lumbar lordosis is independent of anterior pelvic tilt and lumbo-pelvic extension during treadmill running

Tominaga, Tempei, Tasaki, Yoshiki, Sado, Natsuki

Journal of Biomechanics, 186, May, 2025 Peer-reviewedCorresponding author
Three-Dimensional upper limb joint kinetics during the release phase of the shot put and their Relevance to performance

Hashimoto, Shogo, Tominaga, Tempei, Ohyama-Byun, Keigo, Sado, Natsuki

Journal of Biomechanics, 185, Apr, 2025 Peer-reviewedCorresponding author
Ankle muscle strength and activation are associated with walking patterns in preschool and school-age children

Apibantaweesakul, Sudara, Omura, Shiho, Qi, Weihuang, Sado, Natsuki, Shiotani, Hiroto, Tanaka, Fumiko, Suttanon, Plaiwan, Kawakami, Yasuo

PLOS One, 20(1), Apr, 2025 Peer-reviewed
Power exertion of gastrocnemius fascicle and tendon in running at different speeds: a pilot study.

Fujimori, T., Tominaga, T., Edagawa T., Tasaki, Y., Sado, N.

The 30th Congress of International Society of Biomechanics Proceedings., 2025 Peer-reviewed
Adjustment of segmental rotations to achieve both racket speed and accuracy at various impact heights during a two-handed backhand stroke

Zhang, Sichao, Sado, Natsuki, Fujii, Norihisa

Sports Biomechanics, 24(7) 1990-2005, 2025 Peer-reviewed
High-accuracy tennis players linearly adjust racket impact kinematics according to impact height during a two-handed backhand stroke

Zhang, Sichao, Sado, Natsuki, Fujii, Norihisa

Sports Biomechanics, 24(3) 694-707, 2025 Peer-reviewed
高く跳ぶための力学跳躍高獲得の機序と個人差

佐渡, 夏紀

体育の科学, 74(12) 796-802, Dec, 2024 Corresponding author
Joint kinetic demand for performance in high jump

Fujimori, Toshihide, Tobe, Naoto, Sado, Natsuki

Sports Biomechanics, Epub 1-15, Nov, 2024 Peer-reviewedCorresponding author
Inter-individual variability in elliptical and diagonal error distributions potentially relevant to optimal motor planning in football instep kicking

Sado, Natsuki, Yazawa, Morikazu, Tominaga, Tempei, Akutsu, Kohei

Human Movement Science, 97, Oct, 2024 Peer-reviewedCorresponding author
Age- and sex-dependence of muscle quality: Influence of intramuscular non-contractile tissues

Ichinose, Hoshizora, Tanaka, Fumiko, Yamagishi, Takaki, Sado, Natsuki, Shiotani, Hiroto, Evangelidis, Pavlos E., Naito, Munekazu, Shibata, Shigenobu, Kawakami, Yasuo

Experimental Gerontology, 196, Sep, 2024 Peer-reviewed
Unique enlargement of human soleus muscle for bipedalism at the expense of the ease of leg swing

Takahashi, Katsuki, Sado, Natsuki, Wakahara, Taku

Journal of Biomechanics, 174, Aug, 2024 Peer-reviewed
Speed-dependent increase in lumbar lordosis is inconsistent with speed-independent pelvic tilt during treadmill running

Tominaga, Tempei, Tasaki, Yoshiki, Sado, Natsuki

ISBS-Conference Proceedings Archive, 41(1) 930-933, Jul, 2024 Peer-reviewedCorresponding author
Distal joint kinetics are associated with shot put performance

Hashimoto, Shogo, Tominaga, Tempei, Ohyama-Byun, Keigo, Sado, Natsuki

ISBS-Conference Proceedings Archive, 41(1) 930-933, Jul, 2024 Peer-reviewedCorresponding author
水・脂肪分離 MRI 画像に基づく身体部分慣性特性の解析法とその応用

佐渡, 夏紀

トレーニング科学, 36(2) 103-109, Jun, 2024

Misc.

走幅跳競技者に役立つ最新の研究成果: 踏切動作の平面的理解から立体的理解へ

佐渡, 夏紀, 深代, 千之

走幅跳競技者に役立つ最新の研究成果: 踏切動作の平面的理解から立体的理解へ, 2022 Corresponding author
ボディビルダーの減量における大腿部筋横断面積および非収縮要素横断面積の変化

一瀬星空, 長瀬嘉剛, 佐渡夏紀, 呂匯, 山田雄基, 川上泰雄

日本トレーニング科学会大会プログラム・抄録集, 33rd, 2020

Presentations

Mechanical Properties of Flexor Carpi Radialis Muscle-Tendon Unit in Shot Putters

Tominaga, T., Tasaki, Yoshiki, Sado, N.

ARIHHP Human High Performance Forum 2026
Plantar Fascia Stiffness Accounts for Individual Variance in its Strain During Hopping at Different Frequencies in Females

Hashimoto, S., Sado, N.

ARIHHP Human High Performance Forum 2026
歩行における足底腱膜伸長の個人差は安静時の硬さを反映しない

保母, 純伽, 富永, 天平, 稲葉, 陽世, 塩谷, 彦人, 平田, 浩祐, 佐渡, 夏紀

第31回日本バイオメカニクス学会大会
拡散テンソル画像法を用いた大学スプリンターにおける大腿二頭筋長頭の筋構造の解析と部位差の検討

𠮷川, 峻, 高橋, 克毅, 田﨑, 義規, 中島, 崇仁, 髙橋, 英幸, 佐渡, 夏紀, 平田, 浩祐

第38回日本トレーニング科学会大会
Plantar fascia stiffness accounts for individual variance in its strain during hopping at different frequencies in females.

Hobo, Ayaka, Shiotani, Hiroto, HIRATA, Kosuke, Sado, Natsuki

International Society of Biomechanics in Sports Conference 2025
PLANTAR FASCIA STIFFNESS ACCOUNTS FOR INDIVIDUAL VARIANCE IN ITS STRAIN DURING HOPPING AT DIFFERENT FREQUENCIES IN FEMALES.

Hobo, Ayaka, Shiotani, Hiroto, HIRATA, Kosuke, Sado, Natsuki

International Society of Biomechanics in Sports Conference 2025
Power exertion of gastrocnemius fascicle and tendon in running at different speeds: a pilot study.

Fujimori, T., Tominaga, T., Edagawa, T., Tasaki, Y., Sado, N.

The 30th Congress of International Society of Biomechanics
Effect of lumbar spine motion on psoas major length during running at different speeds.

Tominaga, T., Tasaki, Y., Sado, N.

The 30th Congress of International Society of Biomechanics
SHOULDER IS MORE HORIZONTALLY ABDUCTED DURING THE COCKING PHASE IN JUMP SHOT THAN IN STEP SHOT IN HANDBALL.

Sagehashi, S., Fujimori, T., Suzuki, K., Sado, N., Takemura, M.

The 30th Congress of International Society of Biomechanics
Upper Limb Muscle Morphology and its Association with Joint Kinetics in Shot Putters.

Hashimoto, S., Tominaga, T., Fujimori, T., K, Ohyama-Byun, Okamoto, Y., Nakajima., T., Sado, N.

ARIHHP Human High Performance Forum 2025
Effect of lumbar spine motion on psoas major length during sprinting.

Tominaga, T., Tasaki, Yoshiki, Sado, N.

ARIHHP Human High Performance Forum 2025
腰椎の姿勢変化がスプリント中の大腰筋の伸縮動態に及ぼす影響

富永天平, 田崎義規, 佐渡夏紀

第30回日本バイオメカニクス学会大会
走高跳における中殿筋に特異的な筋断面積と競技記録の相関

藤森俊秀, 枝川岳史, 橋本昇悟, 戸邉直人, 岡本, 嘉一, 中島崇仁, 佐渡夏紀

第30回日本バイオメカニクス学会大会
砲丸投競技者における上肢・上部体幹の筋形態と実動作中のキネティクスの関係: 筋間および力学作用の間の差異

橋本昇悟, 富永天平, 藤森俊秀, 大山卞, 圭悟, 岡本, 嘉一, 中島崇仁, 佐渡夏紀

第30回日本バイオメカニクス学会大会
Non-invasive evaluation of plantar fascia strain during locomotion considering its insertion site by motion capture-ultrasound combination.

Hobo, A., Tominaga, T., Sado, N.

International Symposium on 3D Analysis of Human Movement
Asymmetric kinematic responses to verbal gait instructions: stooped posture induces shorter steps, but NOT vice versa.

Sado, N., Tominaga, T., Okuyama, H., Hobo, A., Shinabe, Y.

International Symposium on 3D Analysis of Human Movement
Asymmetric kinematic responses to verbal gait instructions: stooped posture induces shorter steps, but NOT vice versa.

Hobo, A., Tominaga, T., Sado, N.

International Symposium on 3D Analysis of Human Movement
Biomechanical inter-relationship between motor and physical features in maximal effort locomotion

Sado, N.

The 42nd International Society of Biomechanics in Sports Conference. Salzburg
Speed-dependent increase in lumbar lordosis is inconsistent with speed-independent pelvic tilt during treadmill running

Tominaga, T., Tasaki, Y., Sado, N.

ISBS-Conference Proceedings Archive
Distal joint kinetics are associated with shot put performance

Hashimoto, S, Tominaga, T, K, Ohyama-Byun, Sado, N

ISBS-Conference

Teaching Experience

Apr, 2020 - Present

Health and Exercise Seminer (Meiji Pharmaceutical University)
Oct, 2019 - Present

スポーツ科学教養演習Ⅱ (早稲田大学)
Apr, 2019 - Present

スポーツ科学教養演習Ⅰ (早稲田大学)
Oct, 2021 - Feb, 2022

Seminar for Sports Medicine II (University of Tsukuba.)
Oct, 2021 - Feb, 2022

Seminar of Sport Biomechanics I (University of Tsukuba.)
Oct, 2021 - Feb, 2022

Practice and Research Techniques in Sport Biomechanics (University of Tsukuba.)
Oct, 2021 - Dec, 2021

Biomechanics for Teaching Physical Education (University of Tsukuba.)
Oct, 2021 - Dec, 2021

Introduction to Sports Medicine II (University of Tsukuba.)
Apr, 2021 - Aug, 2021

Seminar of Sport Biomechanics II (University of Tsukuba.)
Apr, 2021 - Jun, 2021

Dynamics of human body and movement (University of Tsukuba.)
スポーツ・フィットネス実習（フットサル） (東京学芸大学)
スポーツ・フィットネス実習（サッカー） (東京学芸大学)
体育指導のバイオメカニクス (筑波大学)
スポーツ医学セミナーII (筑波大学)
Seminar for Sports Medicine II (University of Tsukuba.)
Seminar of Sport Biomechanics II (University of Tsukuba.)
スポーツバイオメカニクス演習II (筑波大学)
Seminar of Sport Biomechanics I (University of Tsukuba.)
スポーツバイオメカニクス演習I (筑波大学)
スポーツ医学概論II (筑波大学)

Professional Memberships

Jun, 2022 - Present

International Society of Biomechanics
Jan, 2018 - Present

International Society of Biomechanics in Sports
Sep, 2015 - Present

日本トレーニング科学会
May, 2014 - Present

東京体育学会
May, 2014 - Present

JAPANESE SOCIETY OF BIOMECHANICS
May, 2014 - Present

Japan Society of Physical Education, Health and Sport Sciences

Research Projects

Elucidation of hamstring strain injury risk: an approach based on a multidimensional assessment of running movements and physical characteristics

Grant-in-Aid for Scientific Research(B), Japan Society of for the Promotion of Science, Apr, 2024 - Mar, 2028

Natsuki SADO
丸投競技者の掌屈筋腱の振る舞いから上肢遠位部のパワー増幅機構を探る

筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）, Jun, 2025 - Mar, 2026

佐渡夏紀
移動運動におけるアキレス腱-足底腱膜相互作用および足部変形との関連：足部の機能構造の理解と傷害予防を見据えて

公益財団法人戸部眞紀財団, Oct, 2024 - Sep, 2025

佐渡夏紀
筋腱複合体の力学的特性および実動作中の動態が走の経済性に及ぼす影響

2024年度ARIHHP重点戦略プロジェクト, 筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）, Aug, 2024 - Mar, 2025

佐渡夏紀
Effect of lumbar posture on length changes in the psoas major muscle during high-speed running.

Advanced Research Initiative for Human High Performance (ARIHHP), University of Tsukuba, Jun, 2024 - Mar, 2025

Natsuki Sado
Motion analysis of upper limb loading of wheelchair users and prevention of disability using moment of inertia

Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science (JSPS), Apr, 2022 - Mar, 2025

OKAMOTO Yoshikazu
力学的な動かしやすさに対する人間の適応をアスリートの身体から探る

科学研究費助成事業若手研究, 若手研究, 日本学術振興会, Apr, 2021 - Mar, 2024

佐渡夏紀
全力疾走における下肢筋腱の振る舞い

筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）, Jun, 2023 - Mar, 2024

佐渡夏紀
Exploring human adaptation to 'Triple Extension' of the upper limb from Shot Put athletes.

2023年度公益財団法人ミズノスポーツ振興財団助成金, MIZUNO sports promotion foundation, Apr, 2023 - Mar, 2024

Natuski SADO
Indirect evaluation of individual optimal jumping motion with a perspective for establishing a motor learning support system

Tateisi Science and Technology Foundation, Apr, 2022 - Mar, 2023

Natsuki Sado
ヒト身体がもつ冗長自由度は目標指向性運動の学習を難しくしているのか？：効果的な運動学習方法論の確立を見据えて

第44回研究助成金, 公益財団法人石本記念デサントスポーツ科学振興財団, Jan, 2022 - Jun, 2022

佐渡夏紀
バイオメカニクス操作による前向き訓練

JSTムーンショット型研究開発事業目標9 コア研究研究開発項目2 課題推進者, JST, Jun, 2022

佐渡夏紀
一流柔道家からヒトの外乱応答能力の可塑性に迫る

筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）, Jun, 2021 - Mar, 2022

佐渡夏紀
慣性特性からみたスプリンターの身体的特徴の解明：身体の動かしやすさに対する人間の適応可能性に迫る

スポーツチャレンジ助成事業, 公益財団法人ヤマハ発動機スポーツ振興財団, Apr, 2020 - Mar, 2021

佐渡夏紀
Clarification of the optimal jumping motion according to the individual morphology

Grants-in-Aid for Scientific Research, Grant-in-Aid for Research Activity Start-up, Japan Society for the Promotion of Science, Aug, 2019 - Mar, 2021

Sado Natsuki
ダイナミックな移動運動における体幹の役割

科学研究費助成事業, 特別研究員奨励費, 日本学術振興会, Apr, 2016 - Mar, 2019

佐渡夏紀
外傷・障害予防のバイオメカニクス的研究 -疾走中の腰部障害予防のキネティクス-

研究助成事業指定課題, 日本バイオメカニクス学会, Jul, 2015 - Mar, 2016

佐渡夏紀
The role of torsional rotation of trunk in sprint running

Japanese society of Biomechanics, Jul, 2015 - Jul, 2015

SADO Natsuki

Social Activities

日本体育学会 The 2020 Yokohama Sport Conference 査読委員

Logistic support

2020 - 2020
秋田大学附属中学校進路講演会

Lecturer

2018 - 2018

Other

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