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Hip Anatomy: Rectus Femoris

Jun 19, 2020


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MUSCLE OF THE DAY: Rectus Femoris

The word “Rectus” in latin means “straight”. Along with the vastus lateralis, vastus medialis, & vastus intermedius, these 4-muscles comprise the “quadriceps” group.

Show Up Fitness Internship will teach you the 40-muscles around the hip, 17-muscles around the shoulder and how to become a great trainer!

Origin: Anterior Inferior Iliac Spine (AIIS)

Insertion: Tibial Tuberosity via patellar ligament

Actions: Hip Flexion & Knee Extension (biarticulate)

Learn why this is a terrible stretch for the hip flexors by understanding anatomy of the rectus femoris & psoas major.

EXERCISES FOR TIGHT HIPS (from our friends at The Pre Hab Guys)

Do your hips feel tight? Do you want to learn how to improve the mobility of your hips? The hip is one of the most active and mobile joints in the human body. Whether you perform activities such as walking, ambulating stairs, deadlifts, or playing sports, having adequate hip mobility is important to all! Hip mobility limitations have been associated with issues both upstream (at the low back) and downstream (at the knee). This article will educate you on exercises for tight hips and how to perform them correctly! We've also included a FREE program so you can begin performing prehab exercises today!


If you want to become a personal trainer, Show Up Fitness has the nation's best personal training internship program that you can complete within 2-months. Our classes are for certified personal trainers, fitness enthusiasts, and aspiring trainers who need to gain experience, learn in-depth anatomy, nutrition, sales, how to grow your social media following, and designing programming. Over 80% of trainers who get certified (usually by NASM, ACE, or ISSA), invest too much money and then quit within 12-months because they have no idea how to train and'or maintain/grow their book of business. Now that SHOW UP FITNESS is online, you can take classes at , learn for 1-2 months and then SHOW UP for the in-person internship in San Diego or Los Angeles. We have 12-month payment plans for as little as $200/month.

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