Casey Viator HIT Workout - Muscles Used

Casey Viator HIT Workout Muscles Used

Leg Extensions

Primary
Rectus femoris of the quadriceps
Vastus intermedius of the quadriceps
Vastus lateralis of the quadriceps
Vastus medialis of the quadriceps






Leg Press

Primary
Biceps femoris of the hamstrings
Rectus femoris of the quadriceps
Semimembranosus of the hamstrings
Semitendinosus of the hamstrings
Vastus intermedius of the quadriceps
Vastus lateralis of the quadriceps
Vastus medialis of the quadriceps

Secondary
Gluteus maximus
Lateral head of the gastrocnemius
Medial head of the gastrocnemius
Soleus
Erector spinae
Rectus abdominis



Smith machine

Primary
Biceps femoris of the hamstrings
Rectus femoris of the quadriceps
Semimembranosus of the hamstrings
Semitendinosus of the hamstrings
Vastus intermedius of the quadriceps
Vastus lateralis of the quadriceps
Vastus medialis of the quadriceps

Secondary
Gluteus maximus
Lateral head of the gastrocnemius
Medial head of the gastrocnemius
Soleus
Erector spinae
Rectus abdominis



Leg curl

Primary
Biceps femoris of the hamstrings
Semimembranosus of the hamstrings
Semitendinosus of the hamstrings







Pullover Machine

Primary
Rectus abdominis

Secondary
External oblique
Internal oblique





Lat cable pulldown underhand grip

Primary
Latissimus dorsi

Secondary
Rear deltoid head
Middle trapezius
Lower trapezius
Rhomboids
Teres major
Brachialis
Brachioradialis
Long head of the biceps
Short head of the biceps



Pecs fly

Primary
Clavicular head of the pectoralis major
Sternal head of the pectoralis major

Secondary
Front deltoid head





Triceps Press

Primary
Clavicular head of the pectoralis major
Sternal head of the pectoralis major

Secondary
Front deltoid head
Latissimus dorsi
Pectoralis minor
Lateral head of the triceps
Long head of the triceps
Medial head of the triceps




Triceps dips (negative only)

Primary
Clavicular head of the pectoralis major
Sternal head of the pectoralis major

Secondary
Front deltoid head
Latissimus dorsi
Pectoralis minor
Lateral head of the triceps
Long head of the triceps
Medial head of the triceps



Biceps curl

Primary
Long head of the biceps
Short head of the biceps

Secondary
Brachialis
Brachioradialis