Evidence ‘de-learning’ of rugby skills during lockdown, extended use of digital devices may be to blame.

A decline in the players’ fitness was expected after six months in lockdown, but experts, including Dr Sherylle Calder, believe...

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BY Daily Maverick 14 October, 2020

Can you improve your speed and reactions by training your eyes? We went to find out.

On the screen, an orange coloured shape appears and my hand slaps down on the spacebar.

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BY Express 16 September, 2020

Calder wil Stormers help om vernuwend te dink, sien

Sy sou veel eerder aan die "groen kant" van verlede jaar se Wêreldbekerrugby-eindstryd wou wees om haar derde goue medalje te kon wen

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BY Netwerk24 1 June, 2020

Ernie Els: A Pattern of Enduring Excellence at The Open / Chronicles Unseen

When Ernie Els finished tied-fifth at The 121st Open, in only his second appearance at golf’s original Championship, he knew he had achieved a result

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BY The Open 19 May, 2020

Calder: Smartest team will win World Cup

Two-time World Cup-winner Sherylle Calder says that the speed of the contest in Japan will place new emphasis on space identification and decision-mak

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BY SA Rugbymag 20 September, 2019

How Eddie Jones’ innovations turned England into one of the most vaunted sides in world rugby…

Dr Sherylle Calder has spent time at Pennyhill Park improving the players’ peripheral vision. The EyeGym training is also designed to enhance...

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BY Mail Online 26 February, 2018