Finger Extensor Curls to help balance the tension and stresses on the hands and fingers due to lots of flexion work, i.e. gripping of bars and handles and pretty much everything in everyday life (typing as well). The VAST majority of what we do with our hands is flexion based. It's very rare that you'll purposefully do any sort of extension with resistance. This can lead to strength imbalances and finger, hand and wrist pain, especially if you do a lot of grip work (even with wrist extensions, y

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