Hein Viljoen
Physiotherapy
Legs get most of the attention in HYROX training, but for many athletes it's the hands and forearms that give out first. The muscles in your hands and forearms are small compared to your legs, so they tire faster and recover more slowly.
Once your grip starts to go, technique often breaks down elsewhere too. Your back may round, your shoulders may hunch, and you may find yourself compensating in ways that add strain through your wrists and elbows.
Four stations in particular put your hands, forearms and elbows under the most strain: the SkiErg, rowing, farmers carry and sled pull. Each loads your grip in a slightly different way, and knowing what to watch for at each one can help you pace yourself and pick up early signs of overload before they become a bigger problem.
The repetitive pulling motion of the SkiErg loads your hands and wrists through every stroke. Gripping the handles too tightly wastes energy and speeds up forearm fatigue.
What to do: Try to keep your grip relaxed rather than clenched, letting your hands guide the handles instead of fighting them. If your forearms are burning early, or your wrists feel achy rather than simply tired, that's a sign your grip is working harder than it needs to.
Grip matters most at the catch and through the drive. A tense grip here does little for your power and a lot for your fatigue.
What to do: Where you can, use a lighter hook grip with your fingers rather than clenching your full fist around the handle. Hot spots, blistering, or a forearm pump that builds faster than your legs are tiring are signs your grip is taking on more than its share.
This is the station that tests raw grip endurance most directly. There's nowhere to hide once your hands start to fail.
What to do: Distribute the load evenly, keep your posture upright, and pace your grip rather than squeezing as hard as possible from the first step. If your fingers start uncurling involuntarily, or your shoulders and traps begin taking over to keep the weights up, your grip is reaching its limit.
As covered in our sled push and pull guide, the pull relies heavily on grip and forearm strength under load.
What to do: Draw with your elbows and upper back rather than curling the rope with your hands alone. Watch your wrist position — an over-bent wrist increases strain through your hands and forearms. If your forearms are failing well before your legs, your upper body is doing more work than it should.
Some grip fatigue is expected in HYROX. It's part of the challenge. But there's a difference between muscles that are simply tired and signs of overload worth paying attention to:
Normal fatigue eases with rest and improves with training. Overload tends to persist, and pushing through it repeatedly is how small issues become bigger ones.
We can help you get a grip on your recovery. Schedule a session with Hein Viljoen Physiotherapy.
