股四頭肌是全身最大的肌，其英文名quadriceps意為四個頭：股直肌、股外側肌（英语：Vastus lateralis muscle）、股內側肌和股中間肌（英语：Vastus_medialis），此肌肉位於大腿前側。股四頭肌收縮時，拉動膝上的腱並使膝伸直。人類是用這些肌肉行走和奔跑。 深蹲 坐 ...

The quads are one of the most important muscle groups in your body. Not only do they help extend your knee, but they also ...

Many times, individuals complain of lower back pain and are unaware that the source is actually their tight quads as these ...

It is possible to build more of a particular fiber type with targeted training. About two-thirds of the muscle fibers that make up the vastus lateralis are fast-twitch, which explains why it is your ...

Surface EMG data were collected from the vastus medialis oblique (VMO), vastus lateralis (VL), and gluteus medius (Gmed) muscles of the dominant leg of each subject during three single leg, weight ...

The exercises used were: Leg press Leg extension Straight-leg toe press Seated calf raise exercises The researchers found that leg extensions increased hypertrophy of the rectus femoris (middle of the ...

We then tested the software on data collected using either surface or intramuscular electrode arrays from five lower limb muscles (gastrocnemius lateralis and medialis, vastus lateralis and medialis, ...

In resting and contraction conditions, the shear modulus, muscle thickness and pennation angle were measured for the vastus medialis (VM), vastus lateralis (VL) and the rectus femoris (RF) using ...

A harness (SafeLight Universal 3 M, St. Paul, MN, United States) was utilized to protect against falls. Following clinical balance and strength tests, EMG surface electrodes were placed bilaterally ...

Walking works several muscle groups in your legs. It engages the flexors and extensors of the ankles, knees, and hips and activates other areas of your body, such as your core. There are ways to ...