Rectus femoris actions with agonists and antagonists. Vastus medialis muscle radiology reference article. Quadriceps femoris origin, insertion and action flashcards. The vastus intermedius arises from the anterior surface of the femur deep to the rectus femoris. Weakness in vastus medialis, particularly the vmo, is a common cause of knee pain and instability and puts you at greater risk of kneecap dislocation. But there are simple vastus medialis exercises that you can do to both strengthen and stretch the muscle and target the vmo. Originoriginates from the greater trochanter and the lateral lip of linea aspera. Insertion of vastus lateralis lateral base and border of patella. The vastus lateralis muscle arises from several areas of the femur, including the upper part of the intertrochanteric line.
Here are some related topics you may be interested in. Vastus lateralis has an extensive origin comprising the intertrochanteric line, the inferior and superior borders of the greater trochanter, the gluteal tuberosity, the upper half of the linea aspera, the fasciae latae and the lateral intermuscular septum. The three muscles are the vastus intermedius, the vastus lateralis, and the vastus medialis located in the middle, on the outside, and inside of the thigh, respectively. The latin term lateralis is derived from the latin lata meaning side. The vastus lateralis is the largest and most powerful of the three vasti muscles. The vastus medialis muscle has an extensive origin on the anteromedial surface of the femur thigh bone which begins at lower medial end of the intertrochanteric line, runs down around the medial aspect of the spiral line and the medial lip of the linea aspera. Rectus femoris is located in the midline, while vastus lateralis forms the bulk of. The vastus lateralis passes over the knee and inserts along with the other muscles of the quadriceps femoris onto the tibial tuberosity. This origin lies medially to vastus lateralis muscle and laterally to adductor magnus muscle. The myofascial pain pattern has pain locations that are displayed in red. In the full version of this tutorial, we will cover the. Superior portion of intertrochanteric line, anterior and inferior borders of greater trochanter, superior portion of lateral lip of linea aspera, and lateral portion of gluteal tuberosity of femur.
Insertion medial quadriceps tendon to patella and directly into medial patella, via ligamentum patellae into tubercle. This is the muscle in between the rectus femoris and biceps femoris. Origin lower intertrochanteric line, spiral line, medial linea aspera and medial intermuscular septum. The vastus lateralis vl is a unipennate muscle, and a member of the anterior.
Study flashcards on quadriceps femoris origin, insertion and action at. Patella via the quadriceps tendon and then the tibial tuberosity via the patella tendon. The teardropshaped muscle helps move the knee joint and stabilizes the kneecap. The vastus lateralis originates from the upper half of the lateral external lip of the linea aspera on the posterior surface of the femur. An approach to treatment attempts to restore balance between vastus medialis and lateralis, which requires strengthening of. Apr 16, 2020 this origin lies medially to vastus lateralis muscle and laterally to adductor magnus muscle. Quadriceps tendon to base of patella and onto tibial tuberosity via the patellar ligament. Aug 28, 2018 similar to any muscle in your body, the vastus lateralis has origin and insertion points from which it pulls in order to create movements. The vl may have 2 insertional heads in approximately 60% of specimens. Mar 23, 2020 the origin of the vastus lateralis is on the femur near the hip. Origin proximal portion of intertrochanteric line, anterior and inferior margins of the greater trochanter, lateral side of gluteal tuberosity and laterally on the linea aspera in its proximal half. Variations in origin and insertion sites were uncommon. Injury to the vastus medialis can cause knee pain and difficulty walking, running, or managing stairs. Vastus lateralis, also known as vastus externus, is the.
It also attaches to the lateral lip of linea aspera of femur. The rectus femoris originates from the anterior inferior iliac spine insertion. Origin medial side of femur insertion quadirceps tendon action increase mechanical. The vastus muscles are three of the four muscles that make up the quadriceps femoris muscle of the thigh. The vastus lateralis muscle is located on the side of the thigh. Unlike the other members of the quadriceps, the vastus medialis is fleshy at its lower end and these fibres lie horizontally as they attach to the patella.
Insertion lateral quadriceps femoris tendon to patella, via ligamentum patellae into the tubercle of tibiafunction. It then runs down the lateral side of the thigh and attaches to the knee via the quadriceps tendon. This muscle is the largest of the quadriceps which includes. Isolated avulsion of the vastus lateralis tendon insertion. This muscle is the largest of the quadriceps group often called quads which also. Superior portion of intertrochanteric line, anterior and inferior borders of. Vastus lateralis lies in the anterior compartment of the thigh. Inferior portion of intertrochanteric line, spiral line, medial lip of linea aspera, superior part of medial supracondylar ridge of femur, and medial intermuscular septum insertion. Chapter 7, the muscular system learn with flashcards, games, and more for free. The vastus lateralis is a superficial muscle, only covered by the thickening of the fascia lata.
It is the most medial, or inner, of the quadriceps muscles. The vastus lateralis is one of the four muscles located in the quadriceps muscles. This was diagnosed by magnetic resonance imaging, and underwent successful surgical repair. The others are the vastus medialis, the vastus lateralis, and the rectus femoris. Superior portion of intertrochanteric line, anterior and inferior borders of greater trochanter, superior portion of lateral lip of linea aspera, and lateral portion of gluteal tuberosity of femur insertion. Origin originates from the greater trochanter and the lateral lip of linea aspera. Upper aspect of the intertrochanteric line, base of the greater trochanter and onto its anterior surface, from the proximal portion of the lateral lip of the linea aspera, lateral intermuscular septum insertion. There is a clear line seperating it from the rectus femoris. Origin greater trochanter, intertrochanteric line, and linea aspera of the femur insertion patella by the quadriceps tendon and tibial tuberosity by the patellar ligament.
The vastus medialis muscle is one of the four quadriceps muscles in the anterior compartment of the thigh. Several areas of the femur upper lateral part intertrochanteric line, lower border greater trochanter, lateral side gluteal tuberosity, upper half lateral lip of linea aspera, lateral intermuscular septum. Muscle actionfunction of vastus lateralis extends the knee. Anatomy, bony pelvis and lower limb, vastus lateralis. This muscle is the largest of the quadriceps group often called quads. The others are the rectus femoris, the vastus intermedius, and the vastus lateralis. Vastus lateralis is the largest of the quadriceps muscles. Near the muscles insertion, the long head of biceps femoris continues as an aponeurosis. The vastus lateralis is the largest muscle in this group and hence has a major role to play in stabilization of the knee. The vastus lateralis and vastus medialis mostly take origin from the linea aspera of the femur. A muscle with origin from the posterior ridge of the femur as far as the greater trochanter, with insertion into the tibia, with nerve supply from the femoral nerve, and whose action extends the leg. Femoral artery and branches from the profunda femoris artery. The vastus medialis vastus medialis oblique, or vmo is one of the four quadriceps muscles in the front of your upper thigh. Origin upper intertrochanteric line, base of greater trochanter, lateral linea aspera, lateral supracondylar ridge and lateral intermuscular septum.
Vastus intermedius muscle radiology reference article. Together, the quadriceps act on the knee and hip to promote movement as well as strength and stability. Vastus medialis, together with the other muscles that make up quadriceps femoris, extends the knee joint. It can only be seen by lifting or cutting the tensor fasciae latae.
Vastus lateralis is supplied by the muscular branches of the femoral. Origin, superior portion of intertrochanteric line, anterior and inferior borders. Summary origin femur medial part of intertrochante. The muscle anatomy of the vastus lateralis lists origin, insertion, action, innervation and vascular supply. Insertionlateral quadriceps femoris tendon to patella, via ligamentum patellae into the tubercle of tibiafunction. The vastus lateralis is on the lateral side of the hind leg. Vastus lateralis is the largest of the quadriceps femoris muscle. Together with other muscles of the quadriceps group, it serves to extend the knee joint, moving the lower leg forward.
Proximal border of the patellar ligament to the tuberosity of the tibia, and to capsule of the knee and menisucs via patellar retinacular fibers 3, 11. Upper aspect of the intertrochanteric line, base of the greater trochanter and onto its anterior surface, from the proximal portion of the lateral lip of the linea aspera, lateral intermuscular septum. Apr 27, 2020 though distinct from the vastus lateralis, medialis, intermedius, and rectus femoris muscles, the articularis genus muscle contributes to the overall action of the quadriceps femoris muscle group by acting on the soft tissue surrounding the knee joint to produce fluid extension of the leg at the knee. Vastus lateralis is the most lateral outer of the four quadriceps knee muscles and is felt on the outside top of the thigh. Vastus lateralis trigger point diagram, pain patterns and related medical symptoms. Vastus lateralis definition of vastus lateralis by. Quadriceps femoris muscle origin, insertion and function human anatomy kenhub. Insertion lateral quadriceps femoris tendon to patella, via ligamentum patellae into the tubercle of tibia function. Insertion medial quadriceps tendon to patella and directly into medial patella, via ligamentum patellae into tubercle of tibia. Group, origin, insertion, action flashcards quizlet. Though distinct from the vastus lateralis, medialis, intermedius, and rectus femoris muscles, the articularis genus muscle contributes to the overall action of the quadriceps femoris muscle group by acting on the soft tissue surrounding the knee joint to produce fluid extension of the leg at the knee. It arises from the several areas of the femur, including the upper part of the intertrochanteric line. We report a case of isolated, unilateral avulsion of the vastus lateralis tendon from its insertion at the patella.
Outer surface of the greater trochanter of the femur. This muscle is the largest of the quadriceps group often called quads which also includes the rectus femoris, the vastus. Weakness of the vastus medials is associated with patellar maltracking and patellofemoral pain. This lesson will discuss muscle pain and tears in the vastus lateralis, including symptoms and treatment.
Jul 20, 2014 quadriceps femoris muscle origin, insertion and function human anatomy kenhub. Similar to any muscle in your body, the vastus lateralis has origin and insertion points from which it pulls in order to create movements. The vastus lateralis also vastus lateralis muscle, vastus externus, latin. Answers from textbook for human muscles and online references for cat muscles. The muscle fibers from the short head join the aponeurotic sheet, comprising the round common tendon that inserts to the lateral aspect of the head of the fibula. These 2 heads are referred to as the vastus lateralis long head vll and the vastus lateralis obliquus vlo. This is also where the other two vastus muscles insert although the rectus femoris inserts at the patella tendon.
Vastus lateralis muscle definition of vastus lateralis. Vastus lateralis and medialis how to dissect a fetal pig. The origin of the vastus lateralis is on the femur near the hip. Muscle groups anterior thigh muscles rectus femoris vastus lateralis vastus medialis vastus intermedius sartorius tfl posterior thigh muscles biceps femoris semitendinosus semimembranosus pes anserine muscles sartorius gracilis semitendinosus other posterior muscles popliteus. It is inserted into the lateral border of the patella and, via the patellar tendon, into. The vastus intermedius muscle is one of the four quadriceps muscles in the anterior compartment of the thigh. Aug 25, 2009 we report a case of isolated, unilateral avulsion of the vastus lateralis tendon from its insertion at the patella. The vastus lateralis muscle is located on the lateral side of the thigh. Apr 09, 2015 the vastus lateralis muscle is located on the side of the thigh. Into the lateral side of the quadriceps tendon, joining with rectus femoris, vastus medialis, and vastus intermedius muscles, enveloping the patella, then by the. Anatomy, bony pelvis and lower limb, vastus lateralis muscle ncbi. The rectus femoris also rectus femoris muscle, latin.
The vastus lateralis also called the vastus externus is the largest and most powerful part of the. Posterior division of the femoral nerve l3, l4 blood supply. Isolated avulsion of the vastus lateralis tendon insertion in. Quadriceps femoris muscle origin, insertion and function. The vastus lateralis is a superficial muscle, only covered by the thickening of the fascia lata known as the iliotibial band or iliotibial tract. Aug 23, 2018 vastus lateralis is the most lateral outer of the four quadriceps knee muscles and is felt on the outside top of the thigh. Patella and tibial tuberosity via the patellar ligament. A layer of fat or fascia achieves this separation from the longitudinal head in most specimens. Vastus lateralis definition of vastus lateralis by medical. Along with the other muscles of the quadriceps femoris the. The vastus medialis muscle is a part of the quadriceps muscle group, located on the front of the thigh. Apr 09, 2015 the vastus medialis muscle is a part of the quadriceps muscle group, located on the front of the thigh.
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