The flexor retinaculum of the hand is a fibrous band that is quite durable and extends over the carpus. The carpus is a group of bones located in the wrist between the ulna, the radius and the ...

Correspondence to Dr Roger Hawkes, European Tour Performance Institute, European Tour, Wentworth Drive Virginia Water, Surrey GU25 4LX, UK; RAH{at}wkes.eu The extensor carpi ulnaris (ECU) muscle plays ...