Applied Sports Science newsletter – October 31, 2019

Applied Sports Science news articles, blog posts and research papers for October 31, 2019

 

Trent Williams ends season-long holdout, rejoins Redskins

ESPN NFL, John Keim from

… Williams never publicly spoke during his holdout, so the exact reasons behind it remain unclear, but numerous sources close to him said it stemmed from his medical treatment involving a growth on his head. There were other issues related to the medical staff, though it is uncertain where his dissatisfaction was directed — or whether it was about the Redskins’ training staff. Williams had told teammates and members of the coaching staff that he did not want to play for the team again, according to multiple sources.

Team sources said his contract played a big role in the holdout. Williams has two years remaining on his deal, though he has no guaranteed money beyond this season. This year he has a base salary of $10.85 million with $1.9 million in bonuses. His base salary next year is $12.5 million.

 

Nick Bosa learns the value of gloves

Yahoo Sports, ProFootballTalk, Mike Florio from

In recent years, glove technology has improved dramatically. 49ers rookie defensive end Nick Bosa got to see how they work in game action on Sunday, when he leaped to deflect a pass and came down with an interception.

“I don’t know how people drop [the ball] with those gloves,” Bosa said Monday, via Matt Maiocco of NBC Sports Bay Area. “If your hands aren’t wet, I don’t know how you drop them.”

Bosa quickly realized that he’d just applied a jinx to himself.

“I’m going to drop one now,” Bosa added.

 

Kelechi Osemele shows why players wonder if teams care about their welfare

The Guardian, Oliver Connolly from

The Jets’ treatment of Kelechi Osemele was as shameful as it is was predictable, its cruelty matched only by its stupidity.

To recap: Osemele, an All-Pro guard who was acquired by the Jets as a free agent last offseason, sustained a torn labrum earlier in the season. Osemele wanted surgery on the injury, which would have likely kept him out for much if not all of the 2019 season. The Jets denied the request. They asked Osemele to take painkilling injections and carry on playing. Osemele decided to have the surgery anyway, without the blessing (but with the knowledge, an important distinction) of the Jets, after he received a third opinion. ESPN’s Adam Schefter reported on Saturday that Osemele’s surgery was successful, but that the damage to his shoulder “was more extensive than anticipated.” Rather than place Osemele on injured reserve, a designation that frees up a roster spot for the team but means the player is still paid, the Jets released Osemele, voiding his contract. The 30-year-old was due to make $9.1m this year.
Chicago Bears are a masterclass in how to waste a great defense

His agents told Schefter that Osemele and the NFL Players’ Association will take legal action against the Jets’ team doctors for violations of state medical board regulations. “What do I do?” Osemele told the New York Daily News last week. “Take Vicodin? Where’s the line? How much should a player play through pain? What is the limit? Is there a limit? Toradol every day? Does my health matter?”

 

James Franklin: To build a championship culture, programs need to do these things

FootballScoop, Doug Samuels from

… “It’s all the details. It’s all the little things. It is finding a way to overcome adversity consistently.”

“It’s going to class consistently. It’s getting to meetings on time. It’s having your phone turned off during meetings. It’s not settling for a B in a class when you could have gotten an A. It’s taking notes in every single meeting. Every. Single. Meeting. Not because the coaches told you to, but because you want to be great. It’s the coaches making sure that is the standard. We don’t settle. We don’t make excuses. We don’t allow it to happen.”

“There is a way to be unbelievably successful in life and in football, then that is what we’re going to do. We have let little things slip by, but that ain’t happening, because those little things that slip by, that’s one point last year, and that’s one point this year. It’s not happening anymore.”

 

Rugby-We prepared for this triumph for years, says England coach Jones

Reuters, Jack Tarrant from

… “We have had two and a half years to prepare for (the semi-final,” said Jones. “They had a week to prepare.

“We have been subconsciously preparing for this game. When you ingrain habits in your players they are easier to sustain, and we saw some great habits from our players tonight.”

Jones sees the mental side of the game as key, and much of his work with England over the past four years has been about instilling a sense of calm when under the most extreme pressure.

 

Utah Has Sports Scientist To Thank For Lack Of Injuries

KSL Sports, Tom Hackett from

The Utes are healthy, for the most part, besides the question marks surrounding Britain Covey’s absence this season. Utah is looking pretty good thanks to an unsung hero in the program, sports scientist Ernie Rimer.

It has been a relief for head coach Kyle Whittingham who has experienced both the good and bad when it comes to injuries over his 35-year coaching career. So, why has this season been different?

 

A conceptual model and detailed framework for stress-related, strain-related, and overuse athletic injury

SportRXiv Preprints; Judd Kalkhoven Mark Watsford Franco Impellizzeri from

A multitude of athletic injuries occur when the various tissues that make up the human body experience stresses and strains that exceed their material strength. The precise amount of stress and strain that any given tissue can withstand is determined by the mechanical properties and resultant strength of that particular tissue. These mechanical properties are directly determined by an individual’s physiology and acute regulation of these properties. A number of theoretical frameworks for athletic injury occurrence have been proposed, however, a detailed conceptual framework for injury aetiology that considers the interplay between the physiological and mechanical factors and outlines the causal pathways to injury is needed. This will guide injury research towards a more thorough investigation of causal mechanisms and understanding of risk factors. Further, it is important to take into account the considerable differences in loading patterns which can result in varying injury outcomes such as acute stress-related, strain-related, or overuse injury. Within this article a simplified conceptual model of athletic injury is proposed along with a detailed, evidence-informed, conceptual framework for athletic injury aetiology that focuses on stress-related, strain-related, and overuse injury.

 

Study reveal how training load can lead to injury

Runner's World (UK), Ben Hobson from

… Of the 784 runners taking part, 136 suffered injuries during the 14 week training plan with a “tendency toward fewer injuries amongst runners categorised as having high experience or high pace and a combination of both high experience and high pace, compared with their counterpart peers.”

The solution? If you’re following a low milage plan and don’t wish to dramatically increase the training load (experience), focusing sessions on speed work will help you to improve pace without the miles, which in turn will improve your running economy, gait and cadence.

 

FIFA Turns FC Barcelona’s Nou Camp Stadium Into A Soccer Laboratory

Forbes, Steve McCaskill from

… Barcelona isn’t the only soccer club putting technology at the heart of its strategy. Manchester City has partnered with SAP to transform its on and off-pitch operations and has held hackathons in the past. Meanwhile, AS Roma is using technology to expand its global fanbase.

 

A depth sensor inspired by the way spiders eye flies

Harvard Gazette from

… Inspired by these spiders, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a compact and efficient depth sensor that could be used on board microrobots, in small wearable devices, or in lightweight virtual and augmented reality headsets. The device combines a multifunctional, flat metalens with an ultra-efficient algorithm to measure depth in a single shot.

 

Multimodal Wearable Sensors to Measure Gait and Voice

Digital Biomarkers journal from

Background: Traditional measurement systems utilized in clinical trials are limited because they are episodic and thus cannot capture the day-to-day fluctuations and longitudinal changes that frequently affect patients across different therapeutic areas. Objectives: The aim of this study was to collect and evaluate data from multiple devices, including wearable sensors, and compare them to standard lab-based instruments across multiple domains of daily tasks. Methods: Healthy volunteers aged 18–65 years were recruited for a 1-h study to collect and assess data from wearable sensors. They performed walking tasks on a gait mat while instrumented with a watch, phone, and sensor insoles as well as several speech tasks on multiple recording devices. Results: Step count and temporal gait metrics derived from a single lumbar accelerometer are highly precise; spatial gait metrics are consistently 20% shorter than gait mat measurements. The insole’s algorithm only captures about 72% of steps but does have precision in measuring temporal gait metrics. Mobile device voice recordings provide similar results to traditional recorders for average signal pitch and sufficient signal-to-noise ratio for analysis when hand-held. Lossless compression techniques are advised for signal processing. Conclusions: Gait metrics from a single lumbar accelerometer sensor are in reasonable concordance with standard measurements, with some variation between devices and across individual metrics. Finally, participants in this study were familiar with mobile devices and had high acceptance of potential future continuous wear for clinical trials. [full text]

 

Baby steps for transparent electronics

King Abdullah University of Science and Technology, KAUST Discovery from

Stretchy, see-through, silver nanowire sheet combines optical transparency with excellent electrical conductivity.

 

Race Weekend Marathon Fueling

PodiumRunner, Becky Wade from

Five elite marathoners from around the world detail their pre-race meals and in-race fuel—and their diets are surprisingly similar.

 

Exploring Successful Team Tactics in Soccer Tracking Data

ResearchGate; Rens Meerhoff, Floris Goes, Arie-Willem de Leeuw, Arno Knobbe from

In recent years, professional soccer leagues have started collecting tracking data of players on the pitch during all matches of the league. This tracking data might provide an important addition to existing tactical analyses (e.g., video analysis and annotated events). By characterizing the spatial relations between players over time, the dynamic context in which success takes place can be determined. Tactical analysis of events can be enriched with spatial relations between the players during these events. Here, we demonstrate our automatized methodological approach where we use tracking data of 48 matches to 1) identify key events, 2) construct interpretable spatial relations between the players, 3) systematically examine the spatial relations over time, 4) define the success of an event, and 5) discover interpretable and ac-tionable patterns in the spatial relations to report back to the coaching staff. With our approach, future analyses of tactics can be less tedious and more data-driven. Moreover, the context-of-play can be assessed in more detail when implementing tracking data.

 

Here’s How to Get Started Designing With Data

IDEO Blog, Fra Valsecchi from

You might think the first thing data scientists do on a project is grab a bucket of data and run with it. And for good reason—that’s how many data scientists write about projects after the fact. But in practice, when we’re making something genuinely new, we often don’t have data to begin with, nor do we even know what kind of data we will need. We’re staring at a blank canvas, so the only way to dive in is to listen, observe, and sketch.

 

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