Dr. Ludwig Ruf (@rufludwig) 's Twitter Profile
Dr. Ludwig Ruf

@rufludwig

S&C coach at @tsghoffenheim academy | scientist at @TSGResearchLab | PhD in Monitoring Load and Fatigue in Youth Soccer | MSc in S&C | Views are my own

ID: 4882289747

linkhttps://www.linkedin.com/in/ludwig-ruf-790655122?trk=nav_responsive_tab_profile calendar_today06-02-2016 17:12:16

1,1K Tweet

435 Followers

395 Following

Stefan Altmann (@stefanaltmann3) 's Twitter Profile Photo

Building on previous studies in adult soccer players ⚽️🩸📊 ➡️journals.humankinetics.com/view/journals/… ➡️journals.humankinetics.com/view/journals/… our findings confirm the practical value of using HRex to monitor fitness changes in youth soccer players✅ Many thanks to ᴍᴀʀᴛɪɴ ʙᴜᴄʜʜᴇɪᴛ Dr. Ludwig Ruf 🙏 TSG ResearchLab

Building on previous studies in adult soccer players ⚽️🩸📊

➡️journals.humankinetics.com/view/journals/…
➡️journals.humankinetics.com/view/journals/…

our findings confirm the practical value of using HRex to monitor fitness changes in youth soccer players✅
 
Many thanks to <a href="/mart1buch/">ᴍᴀʀᴛɪɴ ʙᴜᴄʜʜᴇɪᴛ</a> <a href="/RufLudwig/">Dr. Ludwig Ruf</a> 🙏
<a href="/TSGResearchLab/">TSG ResearchLab</a>
TSG ResearchLab (@tsgresearchlab) 's Twitter Profile Photo

Great lab tour to the 🏔 exchanging views about innovations, training & testing in sports ⚽️🏒🏋️‍♀️🏃‍♂️🧠 Thanks to FC Bayern Campus FC Red Bull Salzburg Red Bull #athleteperformancecenter for the open discussions! Adam Beavan, PhD @pa_ehmann Stefan Altmann

Great lab tour to the 🏔 exchanging views about innovations, training &amp; testing in sports ⚽️🏒🏋️‍♀️🏃‍♂️🧠

Thanks to <a href="/fcbayerncampus/">FC Bayern Campus</a> <a href="/RedBullSalzburg/">FC Red Bull Salzburg</a> <a href="/redbull/">Red Bull</a> #athleteperformancecenter for the open discussions!

<a href="/BeavanAdam/">Adam Beavan, PhD</a> 
@pa_ehmann 
<a href="/StefanAltmann3/">Stefan Altmann</a>
TSG ResearchLab (@tsgresearchlab) 's Twitter Profile Photo

We were happy to welcome a group of 👨‍🎓👩‍🎓 from the Universität Saarland master's programme in High Performance Sports. Several team members presented their research and work to the students followed by an exciting Q&A🧠⚽️🏋️ #science #sports #physiology #psychology

We were happy to welcome a group of 👨‍🎓👩‍🎓 from the <a href="/Saar_Uni/">Universität Saarland</a> master's programme in High Performance Sports.

Several team members presented their research and work to the students followed by an exciting Q&amp;A🧠⚽️🏋️

#science #sports #physiology #psychology
TSG ResearchLab (@tsgresearchlab) 's Twitter Profile Photo

New paper published📰 Which methods can practitioners use to determine growth and biological maturity of their youth athletes? [in German] 📈⚽️🏀🏈🎾 #talentID ▶️ eyeballing 👀 ▶️ estimating somatic maturity 📏 ▶️ measuring skeletal age 🔬 Full-text: tinyurl.com/yw2e7tjd

New paper published📰

Which methods can practitioners use to determine growth and biological maturity of their youth athletes? [in German] 📈⚽️🏀🏈🎾 #talentID

▶️ eyeballing 👀
▶️ estimating somatic maturity 📏 
▶️ measuring skeletal age 🔬 

Full-text: tinyurl.com/yw2e7tjd
Stefan Altmann (@stefanaltmann3) 's Twitter Profile Photo

📢 Submission deadline extended until 15/09/22! Research Topic *Exercise & Performance Assessment in Soccer* ⚽️🏋️‍♂️🏃‍♂️📊🔬 ➡️ Benchmark values ➡️ Talent ID ➡️ Method comparisons ➡️ Many more Edited by footballscience, Stacey Emmonds PhD & me More info: fro.ntiers.in/soccer Frontiers - Sports and Active Living

📢 Submission deadline extended until 15/09/22!

Research Topic *Exercise &amp; Performance Assessment in Soccer* ⚽️🏋️‍♂️🏃‍♂️📊🔬

➡️ Benchmark values
➡️ Talent ID
➡️ Method comparisons
➡️ Many more

Edited by <a href="/MCRumpf/">footballscience</a>, <a href="/S_Emmonds/">Stacey Emmonds PhD</a> &amp; me

More info: fro.ntiers.in/soccer
 
<a href="/FrontSportsAL/">Frontiers - Sports and Active Living</a>
ᴍᴀʀᴛɪɴ ʙᴜᴄʜʜᴇɪᴛ (@mart1buch) 's Twitter Profile Photo

The ⚽️ season comes to an end but before we all go 🏖️🌄🏝️ please help and RT 🙏🙏... We're running with Kitman Labs a quick 'behind the scenes' survey on Return To Play to investigate the real (vs the ideal) practices 😁🙏🙏 👇👇👇 bit.ly/39Kvac7

The ⚽️ season comes to an end but before we all go 🏖️🌄🏝️ please help and RT 🙏🙏... 

We're running with <a href="/KitmanLabs/">Kitman Labs</a> a quick 'behind the scenes' survey on Return To Play to investigate the real (vs the ideal) practices 😁🙏🙏

👇👇👇
bit.ly/39Kvac7
Stefan Altmann (@stefanaltmann3) 's Twitter Profile Photo

All presentations done at World Conference on Science and Soccer 2022 🧑‍🎓🏫⚽️ Very well done Maximiliane Thron, leander forcher & Leon Forcher 👏 ➡️ testing aerobic capacity using field tests 🩸🧪🏃‍♂️ ➡️ analysing defensive play and formation changes during matches 🔄📊📈 Looking forward to further presentations & discussions!

All presentations done at <a href="/wcss2022/">World Conference on Science and Soccer 2022</a> 🧑‍🎓🏫⚽️

Very well done <a href="/MThron/">Maximiliane Thron</a>, <a href="/leander_fo/">leander forcher</a> &amp; <a href="/ForcherLeon/">Leon Forcher</a> 👏

➡️ testing aerobic capacity using field tests 🩸🧪🏃‍♂️
➡️ analysing defensive play and formation changes during matches 🔄📊📈

Looking forward to further presentations &amp; discussions!
TSG ResearchLab (@tsgresearchlab) 's Twitter Profile Photo

New 📰 published JSAMS in collaboration with #dfine 📢 Injury incidence, severity, and burden in elite youth soccer players – A 3-year prospective study 🤕🏃‍♂️⚽️ 50 days access to full-text ➡️ authors.elsevier.com/a/1fLEA57UJnKa… Dr. Ludwig Ruf Stefan Altmann

New 📰 published <a href="/_JSAMS/">JSAMS</a> in collaboration with #dfine 📢

Injury incidence, severity, and burden in elite youth soccer players – A 3-year prospective study 🤕🏃‍♂️⚽️

50 days access to full-text ➡️ authors.elsevier.com/a/1fLEA57UJnKa…

<a href="/RufLudwig/">Dr. Ludwig Ruf</a> 
<a href="/StefanAltmann3/">Stefan Altmann</a>
TSG ResearchLab (@tsgresearchlab) 's Twitter Profile Photo

Subjective prediction of biological maturity 📊 in youth ⚽️ players Sci & Med Football Coach & staff predictions 👀 vs SonicBone data 🔬 were ✅ acceptable on average ❌ highly variable for individuals Dr. Ludwig Ruf Stefan Altmann 📰tinyurl.com/2wf9ccdz More info 👇 1/5

Subjective prediction of biological maturity 📊 in youth ⚽️ players <a href="/SciMed_Football/">Sci & Med Football</a> 

Coach &amp; staff predictions 👀 vs SonicBone data 🔬 were

✅ acceptable on average
❌ highly variable for individuals

<a href="/RufLudwig/">Dr. Ludwig Ruf</a> 
<a href="/StefanAltmann3/">Stefan Altmann</a> 

📰tinyurl.com/2wf9ccdz

More info 👇

1/5
Dr. Ludwig Ruf (@rufludwig) 's Twitter Profile Photo

What initially started as an education tool quickly turned into a research idea and study. That was a super cool project! Thanks for everybody involved including coaches and players. Summary and some nice looking graphs below 👇

Stefan Altmann (@stefanaltmann3) 's Twitter Profile Photo

How do agility events during Australian football look like? 🏉🏃‍♂️⤴️🧠 ➡️ technique ➡️ COD angle ➡️ approach speed ➡️ cognitive demands ➡️ attackers vs defenders By @russellrayner, Warren Young & Scott Talpey PhD 👏 📰 Full-text: tandfonline.com/doi/full/10.10… Findings & applications 👇 1/8

How do agility events during Australian football look like? 🏉🏃‍♂️⤴️🧠

➡️ technique
➡️ COD angle
➡️ approach speed
➡️ cognitive demands
➡️ attackers vs defenders

By @russellrayner, <a href="/woozleyoung/">Warren Young</a> &amp; <a href="/s_talps/">Scott Talpey PhD</a> 👏

📰 Full-text: tandfonline.com/doi/full/10.10…

Findings &amp; applications 👇

1/8
Sci & Med Football (@scimed_football) 's Twitter Profile Photo

#AvailableOnline ⚽️ "Soccer coaches vs. sport science and medicine staff: who can more accurately predict the skeletal age of high-level youth soccer players?" by Dr. Ludwig Ruf Stefan Altmann TSG ResearchLab Find it here 👇 bit.ly/3PUgAi4

Sci & Med Football (@scimed_football) 's Twitter Profile Photo

#AvailableOnline ⚽️ "Assessing the usefulness of submaximal exercise heart rates for monitoring cardiorespiratory fitness changes in elite youth soccer players" by Stefan Altmann; Dr. Ludwig Ruf; ᴍᴀʀᴛɪɴ ʙᴜᴄʜʜᴇɪᴛ Find it here 👇 bit.ly/3vdnGGI

Stefan Altmann (@stefanaltmann3) 's Twitter Profile Photo

Was fun to present our physiology research at our lab‘s staff meeting together with Dr. Ludwig Ruf ✅ match analysis ✅ testing & training speed and endurance ✅ biological maturation ✅ biomarkers & regeneration ✅ monitoring load & response ✅ injuries ✅ talent selection

Was fun to present our physiology research at our lab‘s staff meeting together with <a href="/RufLudwig/">Dr. Ludwig Ruf</a> 

✅ match analysis
✅ testing &amp; training speed and endurance
✅ biological maturation
✅ biomarkers &amp; regeneration 
✅ monitoring load &amp; response 
✅ injuries 
✅ talent selection
JSAMS (@_jsams) 's Twitter Profile Photo

This paper aimed 🎯 to investigate age-related injury incidence, severity, and burden over a 3-year period in age groups from U14 to U19 elite male soccer players in a German youth academy 🇩🇪 👉 doi.org/10.1016/j.jsam… #soccer #JSAMS TSG ResearchLab Dr. Ludwig Ruf Stefan Altmann

This paper aimed 🎯 to investigate age-related injury incidence, severity, and burden over a 3-year period in age groups from U14 to U19 elite male soccer players in a German youth academy 🇩🇪

👉 doi.org/10.1016/j.jsam…

#soccer #JSAMS

<a href="/TSGResearchLab/">TSG ResearchLab</a> <a href="/RufLudwig/">Dr. Ludwig Ruf</a> <a href="/StefanAltmann3/">Stefan Altmann</a>
TSG ResearchLab (@tsgresearchlab) 's Twitter Profile Photo

Responses to a training camp in youth soccer ⚽️🏃‍♂️🏋️‍♂️ Int'l Journal of Sports Physiology and Performance ✅ Short recovery and stress scale & sub-maximal runs to monitor psycho-physiological responses ❌ CMJ may provide little insight Dr. Ludwig Ruf Stefan Altmann Sabrina Skorski Barry Drust 📰 journals.humankinetics.com/view/journals/…

Responses to a training camp in youth soccer ⚽️🏃‍♂️🏋️‍♂️ <a href="/IJSPPjournal/">Int'l Journal of Sports Physiology and Performance</a> 

✅ Short recovery and stress scale &amp; sub-maximal runs to monitor psycho-physiological responses
❌ CMJ may provide little insight

<a href="/RufLudwig/">Dr. Ludwig Ruf</a> 
<a href="/StefanAltmann3/">Stefan Altmann</a> 
<a href="/Brina1812/">Sabrina Skorski</a> 
<a href="/BARRYD22/">Barry Drust</a> 

📰 journals.humankinetics.com/view/journals/…
Stefan Altmann (@stefanaltmann3) 's Twitter Profile Photo

External match load in Swiss soccer (U18 vs U21 vs 1st team) 🇨🇭⚽️🏃‍♂️📊 In our study by Linda Ammann, Dr. Ludwig Ruf & Billy Sperlich, we found ➡️ large inter-individual variability in load ➡️ higher load in the 1st team compared to U18 & U21 📰frontiersin.org/articles/10.33… Frontiers - Physiology

External match load in Swiss soccer (U18 vs U21 vs 1st team) 🇨🇭⚽️🏃‍♂️📊

In our study by Linda Ammann, <a href="/RufLudwig/">Dr. Ludwig Ruf</a> &amp; <a href="/BillySperlich/">Billy Sperlich</a>, we found
➡️ large inter-individual variability in load
➡️ higher load in the 1st team compared to U18 &amp; U21

📰frontiersin.org/articles/10.33…

<a href="/FrontPhysiol/">Frontiers - Physiology</a>
Int'l Journal of Sports Physiology and Performance (@ijsppjournal) 's Twitter Profile Photo

Published: Psychophysiological Responses to a Preseason Training Camp in High-Level Youth Soccer Players by Dr. Ludwig Ruf, Stefan Altmann, Sascha Härtel, Sabrina Skorski, Barry Drust & Tim Meyer journals.humankinetics.com/view/journals/…

Stefan Altmann (@stefanaltmann3) 's Twitter Profile Photo

Overview article on agility in team sports, German journal "Leistungssport" 🤾‍♂️⛹️‍♀️⚽️🏀🏉💡🧠 Based on the articles in the thread below, we discuss ▶️ agility as part of game speed ▶️ importance in team sports ▶️ testing & training 📰researchgate.net/publication/36… More info below 🇩🇪👇

Overview article on agility in team sports, German journal "Leistungssport" 🤾‍♂️⛹️‍♀️⚽️🏀🏉💡🧠

Based on the articles in the thread below, we discuss
▶️ agility as part of game speed
▶️ importance in team sports
▶️ testing &amp; training

📰researchgate.net/publication/36…

More info below 🇩🇪👇