There are four basic muscle groups that make up the forearms.
Forearm Flexors
(wrist and grip strength)
(wrist
and grip strength)
Extensor Muscles
(elbow and wrist rotation)
Brachioradialis
(acts to flex the forearm at the elbow)
For proper forearm and wrist strength development you should target and train all of the above muscle groups
Below Are Forearm Strength Training Methods and Equipment.
(links will be supplied where applicable.)
Grip Emphasis Devices
Grip Emphasis Devices will build grip strength as the wrist flexors and forearm flexors are responsible for grip strength.