Backward Medicine Ball Throw — start position
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Backward Medicine Ball Throw — end position
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Shoulders / Beginner / Compound (multi-joint)

Backward Medicine Ball Throw

A medicine ball explosive exercise for the rear delts, with the forearms assisting.

At a glance

Primary
Rear delts
Secondary
Forearms & grip
Equipment
Medicine ball
Movement pattern
Jump / plyometric
Level
Beginner
Type
Shoulders, Compound (multi-joint), Explosive

How to do it

  1. This exercise is best done with a partner. If you lack a partner, the ball can be thrown and retrieved or thrown against a wall.
  2. Begin standing a few meters in front of your partner, both facing the same direction. Begin holding the ball between your legs.
  3. Squat down and then forcefully reverse direction, coming to full extension and you toss the ball over your head to your partner.
  4. Your partner can then roll the ball back to you. Repeat for the desired number of repetitions.

Common mistakes

  • ✗ Throwing with the arms and lower back instead of the hips.

    Why it hurts: The lower back and shoulders take the load of the whole throw.

    ✓ Instead: Load the hips first and let the power travel from the legs up through the arms.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts (Front)Side delts (Front)Chest (Front)Serratus anterior (Front)Biceps (Front)Forearms & grip — secondary (Front)Abs (Front)Obliques (Front)Hip flexors (Front)Quads (Front)Adductors (Front)Shins (tibialis) (Front)Calves (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) (Back)Rear delts — primary (Back)Side delts (Back)Rotator cuff (Back)Lats (Back)Lower back (erectors) (Back)Triceps (Back)Forearms & grip — secondary (Back)Hip abductors (glute med) (Back)Glutes (Back)Hamstrings (Back)Adductors (Back)Calves (Back)
FrontBack
  • Primary: Rear delts
  • Secondary: Forearms & grip

Best for

How specific this exercise is to each movement.

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Photos and instructions: free-exercise-db (github.com/yuhonas/free-exercise-db), public domain.