Adductor longus is a triangular, most anteriorly placed muscle of the adductor group. Philadelphia, PA: Lippincott Williams & Wilkins. They also stabilize and control the pelvis during walking and running. The groin is defined as the area where the upper thigh and the medial pelvis meet. Upon originating from the anterior surface of the body of the pubis, its muscle fibers course downwards and laterally to insert onto the middle third of the linea aspera. Egle Pirie Palastanga, N., & Soames, R. (2012). Meanwhile, the bilateral synergic adduction is the strongest when the hip and knee are being flexed and extended, for example during weight-bearing exercises or horseback riding. Due to their position, the hip adductors shape the surface anatomy of the medial thigh. Copyright © The pectineus muscle is a short and quadrangular muscle positioned in the superomedial aspect of the thigh region. Nothing can take the pep out of your stride when running like a muscle injury. However, the action of one muscle group—the hip adduc-tors—has been the subject of disagreement. The adductor magnus muscle has a complex blood supply, most of which comes via the branches of the femoral, deep femoral and obturator arteries. It is one of five groin muscles that perform this action. Standring, S. (2016). All of these adductor muscles function to to pull the leg towards the center of the body as well as provide stability to the hip. The main functions of the pectineus muscle are flexion, adduction, and external rotation of the hip. Atlas of Human Anatomy (7th ed.). The purpose of this study was to investigate the relationship of skating speed with muscle activity and lower limb kinematics, with a particular focus on the role of the hip adductors. Authors agree that the hip adductor muscle The pectineus muscle both flexes and adducts the thigh at the hip joint when it contracts. We’ve covered adductor magnus in a previous post, so we’ll just take a look at adductor brevis and adductor longus. The adductor longus muscle is a hip abductor muscle located in the inner thigh. Adductor longus is one of the adductor muscles of the medial thigh. Nerves, vessels and lymphatics of the pelvis. Adductor longus then is “a long muscle that leads something toward the body”. Pectineus is the last of the muscles that we’ll look at in the adductor group. All three muscles primarily provide adduction of the thigh. Pectineus originates on the ramus of the pubis. A malposition of the sacroiliac joint can restrict the function of the hip adductors in the long run as well and should be addressed clinically. The Anatomy of Your Adductor Muscles. For example, to stretch the adductors muscles (adductor Pectineus & adductor Brevis) nearer the top of the thigh you will need a stretch that you can feel around the groin area, whereas the other adductors that run all the way down (adductor Longus & adductor Magnus) the thigh require a different kind of a stretch. Any time our legs are squeezing together, the adductors are on. It inserts on this area of the linea aspera. Injury can occur after a forceful contraction of the Adductor muscle group, alternatively injury might be caused by repetitive smaller injury (often referred to as microtrauma), less typically injury might result from a direct blunt trauma. It has long been speculated that adductor muscular strains may be caused by repeated eccentric contractions which decelerate the leg during a stride. More specifically, these muscles extend from the anteroinferior … Edinburgh: Elsevier Churchill Livingstone. Edinburgh: Churchill Livingstone. Last reviewed: October 29, 2020 Functional anatomy: Musculoskeletal anatomy, kinesiology, and palpation for manual therapists. More specifically, it extends from the pubis to the line running between the lesser trochanter of femur and the upper part of the linea aspera. The hip adductors refers to a group of five muscles that make up the bulk of the inner thigh mass. All Rights Reserved. Adductor Magnus is a broad triangular muscleforming a septum which divides the anterior muscles from the posterior aspect of the thigh. Philadelphia, PA: Wolters Kluwer Health/Lippincott, Williams & Wilkins. Grounded on academic literature and research, validated by experts, and trusted by more than 1 million users. The adductors are a group of muscles on the inside of the thighs, and their main function is bringing the legs together and turning the hips toward the midline of the body. The adductor longus muscle is one of the six adductors of the thigh. • It has two heads: transverse and oblique. 4  Shalabhasana is a good example of those adductors keeping the legs together. The bone that is now referred to as the pubic bone was previously known as the “os pecten” or “comb bone” due to its shape. The main function of the adductor muscle group is to pull the leg back towards the midline (adduction). It inserts between the lesser trochanter and the linea aspera. Feeling a bit overwhelmed? This large fan-shaped muscle is situated most anteriorly of this group and covers the middle part of adductor magnus and the anterior part of adductor brevis. The adductor longus muscle is the most commonly injured muscle, which pulls the leg toward the midline. Baddha konasana is a classic adductor muscle stretch. This muscle is innervated by the anterior division of the obturator nerve (L2-L4). More specifically, these muscles extend from the anteroinferior external surface of the bony pelvis to the shaft of femur and proximal tibia. Most of them are surprisingly thin muscles. The exception to that is the largest of them the adductor magnus muscle, which we covered in a previous post. The gracilis muscle functions to adduct your thigh. The adductor longus is one of the major muscles that receives nerves from the lumbar plexus, along with the adductor brevis, adductor magnus, gracilis, and obturator externus muscles. Philadelphia, PA: Saunders. Hip adductors . Hip adductors (anterior view) - Liene Znotina. The adductor longus muscle also participates in external/lateral rotation and flexion of the thigh. The adductors are layered muscles that fan out from the small area of attachment on the pubic bone toward the femur. Pain in your adductor muscles, or groin area, during or after a run can indicate a strained groin and can stop you in your tracks. – We are doing the opposite of two out of the three main actions. The Gracilis muscle is also included in the adductor group of muscles. Are you here to solidify and test your knowledge on the hip and thigh muscles? The clams do this by alternately contracting and relaxing the adductor muscles rapidly to open and close their shells. 2021 This is the second of three muscles that attach onto this spot. Due to the spasticity in the hip adductors the affected children walk – if at all – with adducted, flexed and internally rotated legs (scissor gait). Additionally, the adductor brevis muscle has a role in the flexion of the hip and some recent studies suggest it may also be involved in the external rotation of the thigh.Â. It forms the medial wall of the femoral triangle . It inserts on the pes anserine. Function. The hip adductors are a group of muscles of the medial thigh that primarily perform thigh adduction, Adductor longus, adductor brevis, adductor magnus, gracilis, and pectineus, Obturator nerve (L2-L4); tibial nerve (L4-S1); femoral nerve (L2-L4), Branches of the femoral and obturator arteries, Adduction of thigh, stabilization of pelvis and posture. The main action of the adductor group of muscles is to adduct the thigh at the hip joint. Although they are all located somewhere along the medial side of the thigh, they all originate in different places at the front of the pelvis. These factors lead to the underdiagnosis of adductor muscle injury in horses. Roberto Grujičić MD The adductor muscle tear (groin strain) ranks among the most common sport injuries (e.g. It lies deep to the adductor brevis and the adductor longus. I often tell clients that my intention is to confuse them about the way they stand and move because out of that confusion hopefully new and different patterns might emerge. The pectineus receives its main blood supply from the medial circumflex femoral artery, and contributions from the femoral and obturator arteries.Â, The main function of the pectineus muscle is to flex and adduct the thigh at the hip joint.Â. Additionally, it contributes to the flexion of the extended thigh, as well as the extension of the flexed thigh. The part attached to the linea aspera acts as a lateral rotator. Other muscles named for this function include the adductor pollicis, which draws in and opposes the thumb, and the adductor hallucis, which acts on … and grab your free ultimate anatomy study guide! It is the only muscle from this group that crosses two joints; the hip and the knee. The … You could put the words together then to get an understanding of the size and action of each muscle. © yoganatomy.com 2002 - 2020. The adductor  group includes the following muscles: There are three muscles in this group whose names start with the word, adductor. Register now The gracilis also functions to rotate your thigh medially, especially when your hip is in a flexed position. Clinically Oriented Anatomy (7th ed.). These muscles are the adductor longus, adductor brevis, adductor magnus, gracilis, and pectineus. The hip adductors comprise a group of five muscles that form the brulk of the inner thigh. The hip adductors are a group of five muscles located in the medial compartment of the thigh. Adductor pollicis muscle In human anatomy, the adductor pollicis muscle is a muscle in the hand that functions to adduct the thumb. Specifically, it originates on the anterior pubis. The majority of hip adductors are innervated by the obturator nerve (L2-L4) and supplied by blood mainly via the branches of the femoral and obturator arteries.Â, As their name suggests, the main action of this group of muscles is to produce adduction of the thigh at the hip joint, in which the thigh is pulled toward or past the median plane. Cael, C. (2010). Adductor brevis is positioned anterior to the adductor magnus and posterior to adductor longus muscle.Â, Like the majority of the thigh adductors, adductor brevis is innervated by the obturator nerve (L2-L4) and vascularized mainly by the deep femoral artery (profunda femoris).Â, The main function of the adductor brevis muscle is the adduction of the thigh. Function The adductor magnus is a powerful adductor of the thigh , made especially active when the legs are moved from a wide spread position to one in which the legs parallel each other. Pectineus is the most anterior of the adductor group. This video covers the anatomy of the adductor brevis muscle, one of the six adductors of the thigh: origin, insertion, innervation and functions. Kim Bengochea, Regis University, Denver, Author: The rapid movement also opens and closes the valves of the clams causing water to be ejected from either side of the hinged area of their shells. Abductor muscles are the muscles that pull the body parts outward from the median line of our body. It extends from the body of pubis and ischiopubic ramus to the medial surface of the proximal tibia (pes anserinus).Â, Gracilis is innervated by the obturator nerve (L2-L4). The orthopedic pathologies mentioned above are to be distinguished from the neurogenic adductor spasm. However, it acts as a strong flexor and internal (medial) rotator of the leg at the knee joint. Reviewer: Generally, a therapist will find agreement on human anatom-ical structure in the literature. 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