THERE'S MORE TO acquiring an aesthetically complete physique than just lifting heavy weight and bombarding your chest with bench press reps. This is especially true when it comes to developing muscle ...

If toning the back of your arms is a goal, strengthening the triceps can help eliminate that common trouble spot that jiggles when you wave and help you feel more confident. But even more important, ...

TRAINING FOR YOUR target physique will always be more complicated than just hoisting some weights, flexing in the mirror, and praying for muscle growth. You'll need to follow a smart plan—and then, ...

Inner thigh workouts are important for both men and women. These exercises focus on the muscles that bring your thighs together, called your adductors. To work out your inner thighs, you can try many ...

On the backside of each of your upper arms is an unsung hero. With the right amount of consistent, balanced strength training, you can give it the attention it deserves—and in doing so, stretch the ...

When people think of having strong, toned arms, they tend to focus mainly on building biceps—the meatier part of your arms. But the triceps—the three-headed muscles in the back of your arms—are just ...

While having toned biceps is certainly a flex—literally—that’s not the only muscle you should work on arm day. To build all-around upper-body strength (oh, and gain even more muscle definition in your ...

As you age, you might find it harder to balance and have stability in your joints, making you more prone to injury. The good news is that you can help prevent and reduce these muscle imbalances by ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Arm day can be one of ...

Getting your Trinity Audio player ready... Going to the gym is such drudgery. You have to drag your lazy butt off the couch, you need to make yourself presentable, then you have to haul yourself out ...