Ospreys elite performance director Andrew Hore says the cause of Henson's groin and ankle problems are a mystery.
Australia lost the series 2-1 in England last year, with both defeats coming when McGrath was injured, with elbow and ankle problems.
Williams has recently been dogged by ankle problems and in mid-May she completely withdrew from the competitive scene and skipped the French Open.
Ronaldo, making his first appearance at the Bernabeu in two months following ankle problems, crossed for Sergio Ramos to head the opening goal in the 31st minute.
Republic of Ireland international McPhail is undergoing cancer treatment and will return sometime in January while Riccy Scimeca recently retired after succumbing to serious groin and ankle problems.
The world's most expensive player returned in Wednesday night's 1-0 Champions League win over FC Zurich, coming on as a second-half substitute after two months out with ankle problems.
Alize Cornet ended the hopes of 19-year-old American Lauren Davis, who was allowed into the main draw when second seed Victoria Azarenka pulled out due to ongoing ankle problems.
For years, people with foot or ankle problems have been prescribed "rocker shoes, " in which the soles curve like the bottom of a rocking chair to transfer the workload away from joints and bones.
And it is also another slice of bad luck for Tottenham and Redknapp because centre-back Michael Dawson will be sidelined for eight weeks after suffering knee and ankle ligament problems in the Bulgaria match.
BBC: Tottenham star Jermain Defoe out for up to three months
Osprey Byrne, who was replaced by Ireland's Rob Kearney when the Lions trailed 19-7, has a history of ankle and foot problems.
Johan Santana, for instance, missed all of 2011 recovering from shoulder surgery and a third of last year due to ankle and back problems, and so he's only pitched 324 innings over the last three years.
His career was derailed by debilitating kidney problems that have required a transplant, while he has also suffered from shoulder problems and a broken ankle in recent seasons.
BBC: Jonah Lomu played part of last season for Cardiff Blues
The Italian had an operation on his ankle injury in May after struggling with injury problems which restricted him to just 14 appearances for Roma last season.
He has been plagued by injuries in recent seasons, suffering with groin, ankle, thigh, hernia, metatarsal and knee ligament problems.
"No, I've had no ankle problem all season, " said Rooney when asked about his problems on the fitness front.
Djokovic has also overcome recent injury problems, having been a doubt for Monte Carlo after hurting his ankle on Davis Cup duty.
Five police officers responding to the scene suffered respiratory problems, one firefighter suffered chest pains and another firefighter sprained an ankle, while a neighbor and a pedestrian were also injured, Mr. Meehan said.
While Djokovic is returning to fitness after injuring his ankle on Davis Cup duty earlier this month, Nadal's longterm knee problems seem to be behind him after earning his fifth consecutive final appearance since his February comeback.
Exeter's problems increased when number eight James Phillips was helped off after only six minutes with an ankle injury to be replaced by Chad Slade.
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