Fitness Tip From Rosa – #43 // Don’t Waste Time Doing Exercises That Only Work Smaller Muscles.

Machines that isolate the calf, biceps, and triceps muscles aren’t doing much good, says Cosgrove. “Muscles are like a web and work as a system,” he says. “They’re designed to work together.” Doing exercises like presses, rows, and pulldowns lets those little muscles work the way they’re supposed to: in concert with the bigger ones.