Muscle Anatomy
Iron Legends & History
Fuel Up (Nutrition)
Recover & Reset (Wellness)
Science-Based Lifting
100

This muscle group, nicknamed the "quads," sits on the front of your thigh.

What is the quadriceps?

100

This Austrian-born bodybuilder won Mr. Olympia seven times before becoming an actor and governor of California.

Who is Arnold Schwarzenegger?

100

This macronutrient is the building block of muscle.

What is protein?

100

Adults generally need this range of hours of sleep per night.

What is 7 to 9?

100

Lowering a weight under control, like the descent of a squat, is this type of muscle contraction.

What is an eccentric contraction?

200

This large, V-shaped back muscle, called the "lats" for short, gives the back its width.

What is the latissimus dorsi?

200

Founded by Joe Weider in 1965, this is bodybuilding's most prestigious contest.

What is Mr. Olympia?

200

Each gram of protein contains this many calories.

What is 4?

200

This type of stretching uses controlled movement, such as leg swings, and is best done before a workout.

What is dynamic stretching?

200

Research shows muscle growth can happen across a wide range of rep counts, as long as sets are taken close to this point.

What is failure (muscular failure)?

300

This arm muscle has three heads: long, lateral, and medial.

What is the triceps?

300

This eight-time Mr. Olympia and former police officer is famous for yelling "Light weight, baby!"

Who is Ronnie Coleman?

300

This branched-chain amino acid, abundant in whey, is a key trigger of muscle protein synthesis.

What is leucine?

300

This cylindrical tool is used for self-myofascial release.

What is a foam roller?

300

In training jargon, "RIR" stands for this, the number of additional reps you could have done at the end of a set.

What is reps in reserve?

400

This group of four muscles and their tendons stabilizes the shoulder joint.

What is the rotator cuff?

400

This Venice, California gym, opened by Joe Gold in 1965, became known as the "Mecca of Bodybuilding."

What is Gold's Gym?

400

One of the most researched supplements, it helps regenerate ATP for short, explosive efforts.

What is creatine?

400

Peaking 24 to 72 hours after a new or hard workout, this soreness is abbreviated DOMS.

What is delayed onset muscle soreness?

400

Henneman's size principle says that motor units are recruited in this order during a contraction.

What is smallest to largest?

500

The largest muscle in the human body, it's the main target of the hip thrust.

What is the gluteus maximus?

500

This 1977 documentary followed Arnold and Lou Ferrigno as they prepared for the 1975 Mr. Olympia.

What is Pumping Iron?

500

Found in foods like oats, beans, and broccoli, this carbohydrate isn't digested by the body, but it supports gut health and helps you feel full.

What is fiber?

500

Chronically high levels of this stress hormone from the adrenal glands can hinder muscle growth and recovery.

What is cortisol?

500

This protein complex, abbreviated mTOR, is the master regulator that switches on muscle protein synthesis in response to lifting and amino acids.

What is the mechanistic target of rapamycin?

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