Backpack Curls

A standing curl that uses a loaded backpack held by the straps as the resistance for the biceps and forearms.

How to do it

  1. Pack a sturdy backpack so the load is even, then stand tall with the feet about hip-width apart.
  2. Gather both shoulder straps in one hand so the bag hangs beside the thigh.
  3. Keep the torso still and the working elbow close to the side.
  4. Curl the bag toward the shoulder by bending the elbow, without swinging the hips.
  5. Squeeze at the top, then lower the bag until the arm is almost straight.
  6. Finish the set, then switch hands if you are curling one side at a time.

Key technique cue

Elbow pinned to the side, shoulder down; don't swing the pack.

Common mistakes

  • Swinging the torso or hiking the shoulder to lift a bag that is too heavy.
  • Letting the elbow drift forward so the curl becomes a front raise.
  • Gripping only one loose strap so the bag twists and dumps the load.
  • Using a bag packed with sharp or fragile items that cannot be curled safely.

Benefits

  • Lets coaches program a biceps curl when the only load is a packed bag.
  • Challenges grip because the straps are a softer, less stable handle than a dumbbell.
  • Fits travel and home sessions without a dumbbell rack.

Progression: from easier to harder

  1. Step 1 You are here
  2. Step 2
Full “Biceps curl” progression

About the exercise

Backpack curls are a household-load biceps curl. A packed bag is gripped by the gathered shoulder straps in one or both hands and curled toward the shoulder the same way a dumbbell would be. The biceps flex the elbow; the forearms have to keep a closed grip on a soft, shifting handle. It is home-training work for travel, hotel, and no-gym programs where a packed bag is the only load.

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