Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...

4 Sports Medicine Biodynamics Center and Human Performance Laboratory, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA 5 Departments of Pediatrics and Orthopaedic Surgery, College ...

The rectus femoris muscle is one of the four major muscles that make up the quadriceps, or the front part of your upper leg. Strengthening the rectus femoris, in particular, can help stabilize your ...

The rectus femoris (RF) is one of the four muscles found in the quadriceps and is the only one involved in hip flexion. This is because it’s the only one that is attached at the pelvis and not the ...

The rectus femoris muscle is one of quadriceps muscles. It goes from the hip to the knee and can be used to straighten the knee or lift the knee up. This muscle can rupture or become inflammed at the ...

Cycling is a popular fitness activity worldwide. Although the physiological benefits of cycling are known to many, its precise impact on the ‘rectus femoris’ muscle has remained elusive so far. A ...

Why do some hamstring and quadriceps strains take much longer to repair than others? Which injuries are more prone to recurrence? Intramuscular tendon injuries have received little attention as an ...