Adaptive prostheses have specialized TD's for performing certain tasks better than a multipurpose TD can, like: holding a baseball bat or pool cue, swimming, lifting weights, and much, much more.
For the Atlas of Limb Prosthetics chapter on Sports and Recreation prostheses click here
TRS inc www.oandp.com/products/trs
Examples:
High fly fielder 
Hammerhead kayak attachment 
TRS also makes custom TD's visit site for more information
Texas Assistive Devices www.n-abler.com
Hosmer : www.hosmer/products/hooks/index.html
Examples:
Baseball glove attachment
ski hand-fishing rod 
For the Atlas of Limb Prosthetics chapter on Sports and Recreation prostheses click here
TRS inc www.oandp.com/products/trs
Examples:
High fly fielder
Hammerhead kayak attachment
TRS also makes custom TD's visit site for more information
Texas Assistive Devices www.n-abler.com
Hosmer : www.hosmer/products/hooks/index.html
Examples:
Baseball glove attachment
ski hand-fishing rod