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Managing calf injuries and
RTP considerations
Seth O’Neill
@seth0neill so59@leicester.ac.uk
Epidemiology of Calf injuries
• 4th most common injury
• 4% of all injuries
• 14%-16% of all muscle injuries (FC Barcelona 2009)
• 14.7 days lost – 13% are >28days
• 13% re-injure
• Older players more frequently injured
• Last 15 minutes of game key period
Older players more
frequently injured
Age
Why does the Calf get injured?
@seth0neill so59@leicester.ac.uk
Soleus contributes 50%
of total vertical support
force
Soleus 52%
Med Gas 32%
Lat Gas 16%
Albracht et al 2008
@seth0neill so59@leicester.ac.uk
MTJ RTP earlier than MTC
Which muscle?
• 66% are solitary muscles
• Isolated tears = Gastroc : Soleus
49% : 46%
• 34% are combination injuries
• Soleus not normally reported
• Plantaris and Deep muscles occasionally
involved
@seth0neill so59@leicester.ac.uk
What else can Soleus do?
• Control knee flexion
• Control tibial translation
Therefore may link with ACL and Meniscal
injuries and be important pre/post injury
• Control Achilles loads and is implicated in
tendinopathy
Sherbody et al 2003, Mokhtarzadeh 2013, Fleming 2001
@seth0neill so59@leicester.ac.uk
What we can learn from other muscles
• Strength seems important
• Monitoring of strength may be predictive
• Strength may inform RTP
• Fascicle length and pennation angle may be
key
• Injured players may respond differently to
strength changing
@seth0neill so59@leicester.ac.uk
Preliminary data (caution N=9 in each group)
96%
206%
P .00001Rehab needs to be heavy
@seth0neill so59@leicester.ac.uk
Rehab, RTP and prevention
• Identify which muscle and
which location
• Strength >BW
• Endurance
• Rate of force development
• Velocity
@seth0neill so59@leicester.ac.uk
Summary
• Calf injuries are frequent, produce loss of play,
and may link to other pathologies – e.g. ACL
and AT
• Consider intramuscular tendon injuries
specifically Soleus.
• Beware older (senior+expensive) player
• Late game situations
• Rehab heavy
@seth0neill so59@leicester.ac.uk
@seth0neill so59@leicester.ac.uk

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Isokinetic football conference slides share

  • 1. Managing calf injuries and RTP considerations Seth O’Neill @seth0neill so59@leicester.ac.uk
  • 2. Epidemiology of Calf injuries • 4th most common injury • 4% of all injuries • 14%-16% of all muscle injuries (FC Barcelona 2009) • 14.7 days lost – 13% are >28days • 13% re-injure • Older players more frequently injured • Last 15 minutes of game key period
  • 4. Why does the Calf get injured? @seth0neill so59@leicester.ac.uk
  • 5.
  • 6. Soleus contributes 50% of total vertical support force
  • 7. Soleus 52% Med Gas 32% Lat Gas 16% Albracht et al 2008
  • 9. MTJ RTP earlier than MTC
  • 10. Which muscle? • 66% are solitary muscles • Isolated tears = Gastroc : Soleus 49% : 46% • 34% are combination injuries • Soleus not normally reported • Plantaris and Deep muscles occasionally involved @seth0neill so59@leicester.ac.uk
  • 11. What else can Soleus do? • Control knee flexion • Control tibial translation Therefore may link with ACL and Meniscal injuries and be important pre/post injury • Control Achilles loads and is implicated in tendinopathy Sherbody et al 2003, Mokhtarzadeh 2013, Fleming 2001 @seth0neill so59@leicester.ac.uk
  • 12. What we can learn from other muscles • Strength seems important • Monitoring of strength may be predictive • Strength may inform RTP • Fascicle length and pennation angle may be key • Injured players may respond differently to strength changing @seth0neill so59@leicester.ac.uk
  • 13. Preliminary data (caution N=9 in each group) 96% 206% P .00001Rehab needs to be heavy @seth0neill so59@leicester.ac.uk
  • 14. Rehab, RTP and prevention • Identify which muscle and which location • Strength >BW • Endurance • Rate of force development • Velocity @seth0neill so59@leicester.ac.uk
  • 15. Summary • Calf injuries are frequent, produce loss of play, and may link to other pathologies – e.g. ACL and AT • Consider intramuscular tendon injuries specifically Soleus. • Beware older (senior+expensive) player • Late game situations • Rehab heavy @seth0neill so59@leicester.ac.uk

Editor's Notes

  1. A quick examination of Physiorooms.com data for current injured premiership players suggests an 8% prevelance as of today. Carles pedrets timeloss is mean of 29 days. Think senior expensive/key players UNDER –REPORTING OF SOLEUS.
  2. 3.5 to 9meteres per second.
  3. 59 subjects
  4. Mostly comes from Adductors and Hamstring data.
  5. P .00001 No pain during testing. ICC of 0.82 or 0.74 dependent on dominent leg and MDC of approx 7%