Grab the barbell with an underhand grip, as you lower, hinge your hips keeping a neutral spine, engage your core & pull the bar back up to standing position.

Beginner: Try just the bar first or dumbbells
Intermediate: 10-20lb plates on each side of the barbell 

Advanced: 25-35+lb plates on each...

Hold a dumbbell in each hand at your sides. Step one leg back into a reverse lunge, lowering until both knees are at 90 degrees. As you lunge, curl the dumbbells to your shoulders, then press them overhead. Lower the weights back to your sides and return to standing. Repeat, alternating legs.

We...

Stand tall holding a dumbbell in each hand at your sides. With straight arms, lift the dumbbells in front of you to shoulder height for a front raise, then lower them back down. Keeping the dumbbells at your sides, drop into a squat—chest tall, core engaged—then drive through your heels to return...

From standing, hinge at your hips and walk your hands forward into a high plank. With a dumbbell placed behind your hands, reach one arm back under your body to drag the dumbbell slightly forward. Return to plank, then repeat with the other arm. Walk your hands back to standing and repeat the seq...

Start standing with one foot on the bench behind you, lower into a lunge, let the weights come down close to your shin/ankle & slowly stand back up. Lean your chest slightly forward throughout the movement & make sure you're not arching your back!

Weight Recommendations:

Beginner: Bodyweight on...

Place your hands on an elevated surface like a bench or step, body in a straight line from head to heels. Slowly lower down for a count of four, keeping elbows close to your body, then press back up in one strong movement.

Start lying on your back with legs extended and core engaged. Draw your knees into your chest for a crunch, then extend your legs out into a wide “V” position, keeping them off the floor. Bring your legs back together and repeat the sequence.