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Jump Box Squat - (View 2)
30s
///// PRIMARY MUSCLES WORKED
QUADS
- Rectus femoris
- Vastus intermedius
- Vastus lateralis
- Vastus medialis
///// SECONDARY MUSCLES WORKED
BACK
- Iliocostalis thoracis
- Spinalis thoracis
GLUTES
- Gluteus maximus
- Gluteus medius
- Gluteus minimus
HAMSTRINGS
- Biceps femoris, long head
- Biceps femoris, short head
- Semimembranosus
- Semitendinosus