Sizing Up the Sartorius Muscle

You may not be familiar with the sartorius muscle, but you’ve no doubt flexed it during countless lower-body exercises, stretches and yoga poses. The long, bandlike muscle runs down the length of the thigh, starting at the anterior superior iliac spine (ASIS) on the outer edge of the hip and wrapping inward to the medial surface of the tibia behind the knee. As a two-joint muscle, the sartorius seamlessly serves both the hip and the knee. When acting on the hip joint, it works to flex, abduct and laterally rotate…

Build Fitness Without Demolishing Joints

High-impact exercises—such as burpees, jumping jacks and other moves that get both feet off the ground simultaneously—can help to build strength and endurance and shed fat quickly. As a result, they’re often incorporated into high-intensity interval training (HIIT) workouts, which have gained recognition because they burn an impressive number of calories in a short time and boost metabolism for up to 48 hours after the workout’s over, through the afterburn effect. But HIIT doesn’t necessarily need to include ballistic movement to be effective. Low-impact exercises can be used instead to…