4 Arm Exercises Every Backpacker Should Know

Crawlers

What A dynamic plank that moves from hands to elbows
Why Strengthen your shoulder girdle (the muscles stretching from your clavicle to your shoulder and down below your armpit), triceps, and core for better control with trekking poles.

Shoulder Shrugs

What A simple hanging exercise
Why Strengthen forearms for scrambling, and rear deltoids and rotator cuffs to build up weight-bearing shoulder strength.

Standing Preacher Curls

What Angled, standing arm curl
Why Isolate your biceps and forearm flexor muscles for even development across your arm to prevent tendonitis from repetitive use of trekking poles.

Triceps Push-Downs

What A traditional push-down movement
Why Develop triceps for better scrambling and balanced arm strength.
Source
https://www.backpacker.com/skills/4-arm-exercises-for-backpackers