Calisthenics is an age-old form of fitness that uses little or no equipment and relies on body weight for resistance. It's ...

Stand tall on one leg, soft bend in the knee, holding a dumbbell in each hand. Hinge at the hips as your back leg extends straight behind you. Keep your spine long and hips square to the floor. Lie on ...

Celebrity trainer Mark Humphreys gave a look into Hemsworth’s brutal training routine. Push the handles forward until your arms are almost fully extended, keeping a slight bend in your elbows.

Build real-world upper-body strength after 60 with four standing exercises that target your shoulders, back, chest, and core.

In this video I explain how I work my chest from different angles using 5 different push up variations. These work the chest in its entirety, same as when you use the different equipment at the gym ...

Sculpt strong, toned arms after 45 with six simple no-equipment moves you can do anywhere to build strength for daily life.

Peer ReviewDownload a summary of the editorial decision process including editorial decision letters, reviewer comments and author responses to feedback. Poly(ADP-ribose) polymerase 1 (PARP1) is one ...