Targets: The outer head of the biceps, and the inner head of the biceps.
Targets: The long head of the bicep as well as forearm muscles.
Targets: Both heads of the bicep. Isolating the biceps to build bicep muscle.
Targets: The biceps muscles while increasing time under tension (for muscle growth).
Targets: The biceps in a contracted position. A true bicep burnout exercise.