Glutes

Dumbbell Bulgarian Split Squat

Difficulty: Advanced

Find a box or bench that is roughly knee height or a few inches lower. (The lower the box is the lower the mobility requirement).
You can either place your toes or the top of your foot on the box. Point your front foot forward or slightly turned outwards and break at the knees and hips simultaneously.
Aim to get your front leg to hit parallel depth (hamstring parallel with the ground) or lower.
The further forward your front foot is, the longer the Range of Motion is at your hips. The further back your front foot is, the longer the ROM at your knees.

Difficulty: Advanced

Stand with your feet shoulder-width apart. Maintain the natural arch in your back, squeezing your shoulder blades and raising your chest.
Grip the bar across your shoulders and support it on your upper back. Unwrack the bar by straightening your legs, and take a step back.
Bend your knees as you lower the weight without altering the form of your back until your hips are below your knees.
Raise the bar back to starting position, lift with your legs and exhale at the top.

Difficulty: Advanced

Sit on the ground with a bench behind you. Have the barbell over your legs just above your hips.
Lean back against the bench so that your shoulders are resting upon it, stretch your arms out to either side using the bench as support.
Raise the weight by driving through your feet and extending your hips upwards. Support the weight with your shoulders and feet.
Slowly extend as far as you can, and then slowly return to the starting position.

Difficulty: Advanced

Stand with your mid-foot under the bar and grip the bar with your hands, about a shoulder width apart.
Bend your knees, then lift the bar by straightening your back. It is important to keep your back straight.
Stand to your full height and hold.
Lower the bar to the floor by bending your knees and keeping your back straight.