


Australian Football League vs National Rugby League: Nordic force across the years (2016-2021)
What does Nordic force look like across the years in the AFL…

RESEARCH SUMMARY: Return to performance of an elite female footballer following ACL reconstruction
Original research title: 'Physical preparation and return to…

VALD acquires SmartSpeed from Fusion Sport
We are excited to announce we have acquired the SmartSpeed Timing…

RESEARCH SUMMARY: Hip strength as an intrinsic risk factor for lateral ankle sprains in youth football athletes (De Ridder et al., 2016)
Original research title: 'Hip Strength as an Intrinsic Risk Factor…

What are norms (normative data)?
To help you become familiar with normative data, we've asked…

RESEARCH SUMMARY: Can field based strength tests assess running ability in youth football athletes? (Jones et al., 2021)
Original research title: 'Field based lower limb strength tests…

Jump Performance: AFL vs NRL 2021
How does the Australian Football League (AFL) and the National…

RESEARCH SUMMARY: What does the rehabilitation and return to sport process look like for an elite footballer following a high grade hamstring injury?
Original research title: 'Managing the return to sport of the…

RESEARCH SUMMARY: Can balance deficits following a concussion accurately be measured with self-reported symptoms?
Original research title: 'Self-reported balance status is not…

RESEARCH SUMMARY: Hamstring injury prevention for elite football athletes (Chebbi et al., 2020)
Original research title: 'Hamstring injury prevention for elite…

Normative data reports now available on VALD Hub
We are excited to announce that as a VALD client you can now…

NBA Season CMJ Results: 2020-21
How did the Eastern and Western conferences stack up against…

RESEARCH SUMMARY: Hamstring strain rehabilitation and re-injury risk (Hickey et al., 2021)
Original research title: 'Current clinical concepts: hamstring…

English / European Football Seasons Performance Comparison: 2019-20 & 2020-21
How do the 2020-21 season English / European football performance…

RESEARCH SUMMARY: Considerations when interpreting neuromuscular state in elite Australian Rules Football athletes
Original research title: 'Considerations in interpreting neuromuscular…

How to analyse countermovement jump data using R and RStudio
An introduction to using R and R Studio...Recently on our socials,…

USE CASE: Dynamic Strength Index
In this brief use case, we discuss how to interpret and utilise…

RESEARCH SUMMARY: Test re-test reliability of single and multijoint strength properties in female Australian football athletes (Kadlec et al., 2021)
Original research title: 'Test Re-test Reliability of Single…

Testing neuromuscular strength of pre-professional ballet students with ForceDecks: Royal Ballet School
The Royal Ballet School has integrated ForceDecks to regularly…

RESEARCH SUMMARY: A 90 minute soccer match induces eccentric hamstring muscles fatigue (Kakavas et al., 2021)
Original research title: 'A 90 minute soccer match induces eccentric…

How to use VALD’s Excel monitoring dashboard template
This one is for the Excel lovers. We recently did a LinkedIn…

RESEARCH SUMMARY: What is the Dynamic Strength Index?
The concept of profiling the dynamic force capabilities of athletes…

AFLW Normative Data: Nordic, Hip Adduction and CMJ Results
A distribution of results from over 170 athletes and over 4,000…

NFL vs NCAA positional comparison: Nordic and CMJ results
How do National Football League (NFL) and National Collegiate…

RESEARCH SUMMARY: Isometric vs eccentric testing for assessing hamstring strength of youth alpine ski racing athletes (Luchner et al., 2021)
Original research title: 'Maximal isometric or eccentric hamstring…

Monitoring personnel at the U.S. Department of State – HumanTrak
In this case study, we gather insight into how Jacob Walker (Human…

Female Professional Athletes: Nordic and Hip Ad/Ab Results
The following figures highlight the age-based distribution of…

RESEARCH SUMMARY: Hamstring adaptations in semi-pro Australian football athletes (Timmins et al., 2021)
Original research title: 'Sprinting, Strength and Architectural…

NFL vs NCAA College Football – Nordic and Hip Ad/Ab strength comparison
NFL vs NCAA College Football - Nordic and Hip Ad/Ab strength…

RESEARCH SUMMARY: Monitoring hamstring fascicle length and running (McGrath et al., 2020)
Title: Monitoring hamstring fascicle length and runningAuthors:…

New ForceDecks Mini: Affordable. Portable. Compact.
VALD is pleased to introduce our all-new ForceDecks Mini, our…

RESEARCH SUMMARY: Identifying Reliable and Relatable Force–Time Metrics in Athletes (Merrigan et al., 2020)
Title: Identifying Reliable and Relatable Force–Time Metrics…

European Football Report Season 2019-20: Nordic Strength
Drawn from VALD’s European Football Report for the 2019-20…

European Football Report Season 2019-20: Hip Adductor Strength
The following graphs represent the distribution of results from…

RESEARCH SUMMARY: Measurement Properties of [GroinBar] in AFL athletes (Ryan et al., 2018)
Title: Measurement Properties of an Adductor Strength…

RESEARCH SUMMARY: Eccentric knee flexor strength and risk of hamstring injuries in Rugby Union: A prospective study (Bourne et al., 2015)
Title: Eccentric knee flexor strength and risk of hamstring…

RESEARCH SUMMARY: Eccentric hamstring strength and hamstring injury risk in Australian footballers (Opar et al., 2014)
Title: Eccentric hamstring strength and hamstring injury risk…

RESEARCH SUMMARY: Reduced biceps femoris myoelectrical activity influences eccentric knee flexor weakness after repeat sprint running (Timmins et al. 2014)
Title: Reduced biceps femoris myoelectrical activity influences…

RESEARCH SUMMARY: The role of neuromuscular inhibition in hamstring strain injury recurrence (Fyfe et al., 2013)
Title: The role of neuromuscular inhibition in hamstring strain…

RESEARCH SUMMARY: Factors that lead to hamstring strain injury and re-injury (Opar et al., 2012)
Title: Hamstring strain injuries: Factors that lead to injury…

HAMSTRING RESEARCH REVIEW
We are commonly asked by our clients about the latest…

Five years of Hamstring Injury Research in 25 minutes
Title: Five years of hamstring injury research in 25 minutes:…

Short biceps femoris fascicles and eccentric knee flexor weakness increase the risk of hamstring injury in elite football (soccer): A prospective cohort study
Another piece of research gold from the research team, showing…

Leicester City: The science behind their Premier League title
Leicester City FC’s 2015-16 Premier League title…
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Contact Client Success
VALD’s Client Success team is available to support you with:
- System training and best practice
- Resources and system implementation
- Data interpretation
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