Step Up -

Muscles Used: Quadriceps (Rectus Femoris, Vastus Lateralis/Intermedius/Medialis), Gluteus Maximus, Hamstrings, Gastrocnemius, Soleus, Erector Spinae, Rectus Abdominis, Obliques.

Alternate Exercise:

Barbell Step Up

Step Up - Barbell

Muscles Used: Quadriceps, Gluteus Maximus, Hamstrings, Gastrocnemius, Soleus, Erector Spinae, Rectus Abdominis, Obliques.

Alternate Exercise:

Barbell Squat

Step Up - DB

Muscles Used: Quadriceps, Gluteus Maximus, Hamstrings, Gastrocnemius, Soleus, Erector Spinae, Rectus Abdominis, Obliques.

Alternate Exercise:

Add Knee Thrust

Step Up - Knee Thrust

Muscles Used: Quadriceps, Gluteus Maximus, Hamstrings, Gastrocnemius, Soleus, Erector Spinae, Rectus Abdominis, Obliques.

Alternate Exercise:

Jump Squat w/ Knee Tuck