Research Explorer

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Researcher

Carl De Crée

Publications & Research Data

Awards & Distinctions

96 Results

2026

The Kōdōkan jūdō gokyō-no-waza : its history and pedagogy

A2 Journal Article in REVISTA DE ARTES MARCIALES ASIATICAS

2025

Prof. Em. Dr. med. Alex Vermeulen (1927-2023) : a giant in endocrinology

Shin-gi-tai as a guiding principle in Kōdōkan jūdō : yet, another example of historical reinvention?

David WaterhouseCarl De Crée

A2 Journal Article in REVISTA DE ARTES MARCIALES ASIATICAS

2024

A critical update to earlier research findings about the historical roots of gonosen-no-kata : 'Forms of post-attack initiative counter throws'

A2 Journal Article in REVISTA DE ARTES MARCIALES ASIATICAS

Fasting in judo - between healthy weight control and health hazard : a narrative review

Elena PoceccoFriedemann SchneiderPinelopi S. StavrinouCarl De CréeJohannes Burtscher

A2 Journal Article in OBESITIES

Judo and kata teaching : can personal expression be addressed before formal expression?

Michel CalmetEmanuela PierantozziCarl De CréeJacques Cremieux

A2 Journal Article in IDO MOVEMENT FOR CULTURE-JOURNAL OF MARTIAL ARTS ANTHROPOLOGY

‘Carried away by a moonlight shadow’ : in memoriam Prof. em. Dr. med. Paul L.O. Broos 1945-2023

A1 Journal Article in ACTA CHIRURGICA BELGICA

2019

Health and welfare in Japan

A1 Journal Article in LANCET

Traumatic atlanto-axial rotary subluxation (AARS) in a 6-year-old child during recreational jūdō practice: a case report and mini-review of serious neck injuries in jūdō

A4 Journal Article in ARCHIVES OF SPORTS MEDICINE

2018

In which journals can I publish my research on martial arts and combat sports? An up-to-date approach

Carlos Gutiérrez-GarcíaWojciech J. CynarskiCarl De CréeRaquel Escobar-MolinaAbel FigueiredoEmerson FranchiniThomas GreenMikel Pérez-GutiérrezSergio RaimondoZdenko Reguli et al.

Kitō-ryū jūjutsu and the desolation of Kōdōkan jūdō’s Koshiki-no-kata : remembering Inoue Shōji (1927-2018)

A2 Journal Article in REVISTA DE ARTES MARCIALES ASIÁTICAS

Tai-sabaki for the piano, tai-sabaki for the tatami : a tribute to Prof. em. David B. Waterhouse (1936-2017)

2017

Effects of rapid reduction of body mass on performance indices and proneness to injury in jūdōka. A critical appraisal from a historical, gender-comparative and coaching perspective

A2 Journal Article in JOURNAL OF EXERCISE AND SPORTS MEDICINE

2016

'Let him who is without sin cast his tennis racket at her ...'

A2 Journal Article in BRITISH MEDICAL JOURNAL

A sting in the tail: sacral stress fractures as a cause of lower back pain in jūdōka: a case report

A2 Journal Article in ANNALS OF SPORTS MEDICINE AND RESEARCH

Boxing: the pain won’t last forever, but the memories will

A2 Journal Article in BRITISH MEDICAL JOURNAL

Low serum testosterone levels and stress fractures: how low is low, and are they clinically meaningful?

A2 Journal Article in BRITISH MEDICAL JOURNAL

Moral indignation is jealousy with a halo

A2 Journal Article in BRITISH MEDICAL JOURNAL

Time wounds all heels

A2 Journal Article in BRITISH MEDICAL JOURNAL

When our beer, chocolates, waffles and denial no longer suffice: medical responses to the March 2016 Brussels terrorist suicide bombings

A2 Journal Article in JOURNAL OF TRAUMA AND CARE

2015

'The exemplary teacher instructs in realities and suggests dreams' (John F. Kennedy)

A2 Journal Article in BMJ-BRITISH MEDICAL JOURNAL

Infrared thermography-calorimetric quantitation of energy expenditure in biomechanically different types of jūdō throwing techniques: a pilot study

Attilio SacripantiAntonio BuglioneTania De BlasisEmanuel RossettiGiampolo AndreattaJoanna CamillieriCarl De Crée

A2 Journal Article in ANNALS OF SPORTS MEDICINE AND RESEARCH

Kōdōkan Jūdō’s three orphaned forms of counter techniques: part 1: the Gonosen-no-kata: 'Forms of post-attack initiative counter throws'

A1 Journal Article in ARCHIVES OF BUDO

Kōdōkan Jūdō’s three orphaned forms of counter techniques: part 2: the Nage-waza ura-no-kata: 'forms of reversing throwing techniques'

A1 Journal Article in ARCHIVES OF BUDO

Kōdōkan Jūdō’s three orphaned forms of counter techniques: part 3: the Katame-waza ura-no-kata: 'Forms of reversing controlling techniques'

A1 Journal Article in ARCHIVES OF BUDO

Michel S. Ostyn (1924-2013) OBITUARY

One person's reality is another person's illusion (Why don't people exercise, even a little?)

A2 Journal Article in BRITISH MEDICAL JOURNAL

Rupture of the medial head of the gastrocnemius muscle in late-career and former elite jūdōka: a case report

A2 Journal Article in ANNALS OF SPORTS MEDICINE AND RESEARCH

The 'jūdō sukebei' phenomenon: when crossing the line merits more than shidō [“minor infringement”] ―Sexual harassment and inappropriate behavior in jūdō coaches and instructors

A2 Journal Article in PROBLEMS OF PSYCHOLOGY IN THE 21ST CENTURY

2014

Effective participation in the 'vagina dialogues' requires more than health practitioners no longer beating around the bush

A2 Journal Article in BRITISH MEDICAL JOURNAL

Long-haul flight-associated sudden-onset mid-portion Achilles tendinopathy in a veteran jūdō athlete: a case report

A1 Journal Article in MEDICINA DELLO SPORT

Nanatsu-no-kata, Endō-no-kata, and Jōge-no-kata: a pedagogical and qualitative biomechanical evaluation of Hirano Tokio’s kuzushi [unbalancing] concept as part of skill acquisition for throwing techniques in Kōdōkan jūdō

A2 Journal Article in REVISTA DE ARTES MARCIALES ASIÁTICAS

Symbology of the Kōdōkan instructo's badge

Llyr JonesCarl De Crée

A4 Journal Article in KANO SOCIETY THE BULLETIN

What's in a colour? The jūdōgi and japanese aesthetics

Carl De CréeLlyr Jones

A4 Journal Article in KANO SOCIETY THE BULLETIN

2013

'He that covereth his transgressions shall not prosper, but whoso confesseth and forsaketh them shall obtain mercy', or not ? Should athletes be allowed to use performance enhancing drugs?

A2 Journal Article in BRITISH MEDICAL JOURNAL

'Non ignara mali, miseris succurrere disco': een hommage aan Prof. em. Dr. med. Michel S. Ostyn (1924-2013)

Joshi (jūdō) goshinhō: Self-defence methods for women

Carl De CréeLlyr Jones

A4 Journal Article in KANO SOCIETY THE BULLETIN

Shōnen Jūdō-no-kata ['Forms of Jūdō for Juveniles']: an experimental Japanese teaching approach to jūdō skill acquisition in children considered from a historic-pedagogical perspective – part 1

A2 Journal Article in JOURNAL OF COMBAT SPORTS AND MARTIAL ARTS

Shōnen Jūdō-no-kata ['Forms of Jūdō for Juveniles']: an experimental Japanese teaching approach to jūdō skill acquisition in children considered from a historic-pedagogical perspective: part 2

A2 Journal Article in JOURNAL OF COMBAT SPORTS AND MARTIAL ARTS

The origin, essence, biomechanical foundations, and teaching and performance challenges of Itsutsu-no-kata [The Forms of Five]: Kōdōkan jūdō’s esoteric sixth kata

2012

A technical-pedagogical reflection on the conceptual and biomechanical properties of Kōdōkan jūdō’s ‘ko-uchi-gari' [minor inner reaping throw]

Carl De CréeDavid A Edmonds

A2 Journal Article in COMPREHENSIVE PSYCHOLOGY

Evaluation of the metabolic demands of nage-komi drills in elite female jūdōka

Marcon BezzinaDiana-Maria DanieleAlessandra Di FranciaLuciano FuscatiCarl De Crée

Gō-no-kata: the 'lost' kata of Kōdōkan Jūdō?

Carl De CréeLlyr Jones

A4 Journal Article in KANO SOCIETY THE BULLETIN

Infrared thermography-calorimetric quantitation of energy expenditure in biomechanically different types of jūdō throwing techniques

Tania De BlasisEmanuel RossettiGiampaolo AndreattaJoanna CamillieriCarl De Crée

Metabolic demands of jūdō nage-komi drills in male veteran jūdōka as evaluated by the Cosmed K4 b2

Giuseppe de BerardinisDavid A EdmondsAugusto MariottiLuigi NastiRoberto PanicciàAlessandro PiccirilloCarl De Crée

The effects of muscle mass on homocyst(e)ine levels in plasma and urine

M René MalinowCraig L ListerCarl De Crée

A2 Journal Article in INTERNATIONAL JOURNAL OF EXERCISE SCIENCE

2011

Catecholamine responses to acute and chronic exercise according to menstrual status

A1 Journal Article in MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Kōdōkan jūdō’s inauspicious ninth kata: the Joshi goshinhō: 'Self-defense methods for women': part 1

Carl De CréeLlyr C Jones

A1 Journal Article in ARCHIVES OF BUDO

Kōdōkan jūdō’s inauspicious ninth kata: the Joshi goshinhō: 'Self-defense methods for women': part 2

Carl De CréeLlyr C. Jones

A1 Journal Article in ARCHIVES OF BUDO

Kōdōkan jūdō’s inauspicious ninth kata: the Joshi goshinhō: 'Self-defense methods for women': part 3

Carl De CréeLlyr C Jones

A1 Journal Article in ARCHIVES OF BUDO

2010

Polycystic ovary syndrome and estrogen metabolism in female athletes

A1 Journal Article in MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

2009

Failure of leptin to reverse estrogen 2-hydroxylation and exercise-induced menstrual irregularities in eucaloric female athletes

Carl De CréeAlfredo R BarrosYoshiyuki FujimuraK Imamura

Kōdōkan jūdō’s elusive tenth kata: the Gō-no-kata: 'Forms of Proper Use of Force': part 1

Carl De CréeLlyr C Jones

A1 Journal Article in ARCHIVES OF BUDO

Kōdōkan jūdō’s elusive tenth kata: the Gō-no-kata: 'Forms of Proper Use of Force': part 2

Carl De CréeLlyr C Jones

A1 Journal Article in ARCHIVES OF BUDO

Kōdōkan jūdō’s elusive tenth kata: the Gō-no-kata: 'Forms of Proper Use of Force': Part 3

Carl De CréeLlyr C Jones

A1 Journal Article in ARCHIVES OF BUDO

Metabolic cost and technical consequences of performing Koshiki-no-kata in yoroi (Japanese body armor) versus jūdōgi

The Gō-no-kata: forms of proper use of force

Carl De CréeLlyr C Jones

2008

Effect of energy deficiency on estrogen metabolism in female athletes

Emily C TimmerCarl De Crée

A1 Journal Article in MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Failure of leptin to reverse estrogen 2-hydroxylation and exercise-induced menstrual irregularities in eucaloric female athletes

Carl De CréeAlfredo R BarrosYoshiyuki FujimuraK Imamura

2007

Acute weight cycling versus long-term judo practice in male and female judoists

A1 Journal Article in MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Consequences of cutting weight on indices of bone metabolic health in elite female judoists

Effects of recreational and competitive judo kata practice on cardiorespiratory health as evaluated by a portable gas analyzer system: a pilot study

The effects of weight cycling on bone density and bone metabolic balance in elite judoists

2001

Interactions between homocyst(e)ine and nitric oxide during acute submaximal exercise in adult males

Carl De CréePaul H. WhitingHarry Cole

Bookchapter in The year book of sports medicine

2000

Interactions between homocyst(e)ine and nitric oxide during acute submaximal exercise in adult males

Carl De CréePaul H WhitingHarry Cole

A1 Journal Article in INTERNATIONAL JOURNAL OF SPORTS MEDICINE

1999

Androstenedione and dehydroepiandrosterone for athletes

A1 Journal Article in LANCET

Comment on health issues for women athletes: exercise-induced amenorrhea

A1 Journal Article in JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM

Endocrine regulation during physical activity and training with special emphasis on women

Endocrinological regulation during physical activity and training with special emphasis on women

Frostbite at the gym: it's nor the ice but the temperature that matters!

A1 Journal Article in BRITISH JOURNAL OF SPORTS MEDICINE

Influence of exercise and menstrual cycle phase on plasma homocyst(e)ine levels in young women: a prospective study

Carl De CréeM René MalinowGerrit P van KranenburgPeter G GeurtenNick T LongfordHans A Keizer

A1 Journal Article in SCANDINAVIAN JOURNAL OF MEDICINE & SCIENCE IN SPORTS

The effects of wearing an anti-pollution air-filter mask on pulmonary function and free radical formation during submaximal exercise

Nicholas P LanePaul H WhitingHarry ColeCarl De Crée

1998

4-Hydroxy-catecholestrogen metabolism responses to exercise and training: Possible implications for menstrual cycle irregularities and breast cancer

Carl De CréeGerrit van KranenburgPeter GeurtenYoshiyuki FujimoriHans A Keizer

Bookchapter in The year book of sports medicine

Responsiveness of plasma 2- and 4-hydroxycatecholestrogens to training and to graduated submaximal and maximal exercise in an untrained woman

Carl De CréePeter BallBärbel SeidlitzKerstin MannheimerGerrit P van KranenburgPeter G GeurtenHans A Keizer

A1 Journal Article in INTERNATIONAL JOURNAL OF SPORTS MEDICINE

Safety guidelines for exercise during pregnancy

A1 Journal Article in LANCET

Sex steroid metabolism and menstrual irregularities in the exercising female: a review

A1 Journal Article in SPORTS MEDICINE

The influence of somatotype, strength, and flexibility on injury occurrence among female competitive Olympic style gymnasts: a pilot study

Karen J WrightCarl De Crée

A2 Journal Article in JOURNAL OF PHYSICAL THERAPY SCIENCE

1997

4-Hydroxycatecholestrogen metabolism responses to exercise and training: possible implications for menstrual cycle irregularities and breast cancer

Carl De CréeGerrit van KranenburgPeter GeurtenYoshiyuki FujimuraHans A Keizer

A1 Journal Article in FERTILITY AND STERILITY

Competition injuries in adult judo athletes

Willy PieterCarl De Crée

Effects of a training program on resting plasma 2-hydroxycatecholestrogen levels in eumenorrheic women

Carl De CréePeter BallBärbel SeidlitzGerrit van KranenburgPeter GeurtenHans A Keizer

A1 Journal Article in JOURNAL OF APPLIED PHYSIOLOGY

Exercise-induced changes in enzymatic O-methylation of catecholestrogens by erythrocytes of eumenorrheic women

Carl De CréeGerrit van KranenburgPeter GeurtenYoshiyuki FujimuraHans A Keizer

A1 Journal Article in MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Plasma 2-hydroxycatecholestrogen responses to acute submaximal and maximal exercise in untrained women

Carl De CréePeter BallBärbel SeidlitzGerrit van KranenburgPeter GeurtenHans A Keizer

A1 Journal Article in JOURNAL OF APPLIED PHYSIOLOGY

Responses of catecholestrogen metabolism to acute graded exercise in normal menstruating women before and after training

Carl De CréePeter BallBärbel SeidlitzGerrit van KranenburgPeter GeurtenHans A Keizer

A1 Journal Article in JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM

1996

4-Hydroxy-catecholestrogen metabolism responses to exercise and training: possible implications for menstrual cycle irregularities and breast cancer

Carl De CréeGerrit van KranenburgPeter GeurtenYoshiyuki FujimuraHans A Keizer

The effects of a graded training program on menstrual cycle-related basal plasma 2 hydroxycatecholestrogen concentrations

Carl De CréePeter BallGerrit van KranenburgPeter GeurtenHans A Keizer

1995

Hypoestrogenemia and rhabdomyelysis (myoglobinuria) in the female judoist: a new worrying phenomenon?

Carl De CréeRobert LewinAlfredo R Barros

A1 Journal Article in JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM

1994

A4 Journal Article in GENEESKUNDE EN SPORT

Het ellebooggewricht van de jūdōka: de behandeling van weerbarstige spier- en peesontstekingen

A4 Journal Article in GENEESKUNDE EN SPORT

1993

Athletische hypo-estrogene rhabdomyolyse (AHR): een nieuw verontrustend fenomeen bij de vrouwelijke jūdōka

Carl De CréeRobert LewinAlfredo R Barros

A4 Journal Article in GENEESKUNDE EN SPORT

1991

Are high-performance young women athletes doomed to become low-performance old wives? : a reconsideration of the increased risk for osteoporosis in amenorrheic women

Carl De CréeAlex VermeulenMichel Ostyn

A1 Journal Article in JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Failure to induce ovulation with clomiphene citrate and bromocriptine in luteal deficient women athletes

Carl De CréeRobert LewinMichel Ostyn

A1 Journal Article in INTERNATIONAL JOURNAL OF SPORTS MEDICINE

1990

The monitoring of the menstrual status of women athletes by salivary steroid determination and ultrasonography

Carl De CréeRobert LewinMichel Ostyn

A1 Journal Article in EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY AND OCCUPATIONAL PHYSIOLOGY

The possible role of endogenous opioid peptides and catecholestrogens in provoking menstrual irregularities in women athletes

A1 Journal Article in INTERNATIONAL JOURNAL OF SPORTS MEDICINE

1989

Amenorrhea en menstruele onregelmatigheid als effecten of belemmeringen bij training: een stand van zaken

Carl De CréeMichel OstynAlex Vermeulen

A4 Journal Article in GENEESKUNDE EN SPORT

Endogenous opioid peptides in the control of the normal menstrual cycle and their possible role in athletic menstrual irregularities

A2 Journal Article in OBSTETRICAL & GYNECOLOGICAL SURVEY

1988

Suitability of cyproterone acetate in the treatment of osteoporosis associated with athletic amenorrhea

Carl De CréeRobert LewinMichel Ostyn

A1 Journal Article in INTERNATIONAL JOURNAL OF SPORTS MEDICINE