Glossary

Biceps

The biceps are the two-headed muscle on the front of your upper arm.

Bends the elbow. Main mover in curls. Active as a secondary muscle in every pulling lift.

Also known as

bicep, biceps brachii

Triceps
The triceps are the three-headed muscle on the back of your upper arm.
Forearms
The forearms are the muscles between your elbow and wrist.
Lats
The lats are the broad muscles on either side of your back, fanning from your armpits down to your lower ribs.

The full glossary

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