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Back Extensions - (View 3)
30s
///// PRIMARY MUSCLES WORKED
BACK
- Iliocostalis thoracis
- Spinalis thoracis
ABS
- Quadratus lumborum
GLUTES
- Gluteus maximus
HAMSTRINGS
- Biceps femoris, long head
- Biceps femoris, short head
- Semimembranosus
- Semitendinosus
///// SECONDARY MUSCLES WORKED
BACK
- Latissimus dorsi
- Teres major
- Infraspinatus
- Trapezius
- Rhomboid major
ABS
- Intercostal
GLUTES
- Gluteus medius
HIP
- iliotibial band
QUADS
- Vastus lateralis
CALVES
- Extensor digitorum longus
- Gastrocnemius, lateral head
- Gastrocnemius, medial head
- Peroneus longus
- Soleus
- Tibialis anterior