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The adductor muscles are a group of muscles that adduct the femur at the hip joint. The word 'adductor' comes from the Latin words 'ad', meaning 'toward', and 'ducere', meaning 'to lead'. The adductor muscles include the pectineus, adductor brevis, adductor longus, gracilis, and adductor magnus. The adductor magnus is the largest of the adductor muscles. The adductor muscles have different attachment points, with the adductor portion having its proximal attachment on the inferior ramus of the pubis and the ramus of the ischium. The adductor muscles are unique in that they are the only group of muscles to cross two joints: the hip joint and the knee joint.
| Characteristics | Values |
|---|---|
| Adductor muscles are a group of muscles that | Adduct the femur at the hip joint |
| The adductor magnus muscle is the largest of the group | - |
| Adductor brevis attaches | Superiorly to the inferior pubic ramus and inferiorly to the upper third of the linea aspera |
| Adductor longus attaches | Superiorly to the pubic ramus, just laterally to the pubic symphysis |
| Pectineus attaches | Superiorly to the superior pubic ramus and inferiorly to the pectineal line |
| The adductor magnus muscle is the only one of the group to cross two joints | The hip joint and the knee joint |
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What You'll Learn
- The adductor magnus muscle is the largest of the adductor group
- The adductor muscles are a group of muscles that adduct the femur at the hip joint
- The adductor brevis attaches superiorly to the inferior pubic ramus
- The adductor longus attaches superiorly to the pubic ramus
- The gracilis attaches superiorly to the inferior pubic ramus
The adductor magnus muscle is the largest of the adductor group
The adductor group of thigh muscles originates from the pelvis and inserts on the femur. The adductor magnus is the largest and most posterior of the medial thigh compartment muscles. It is also the strongest muscle of the medial compartment of the thigh.
The adductor magnus has two portions: the adductor (pubofemoral) and the hamstring (ischiocondylar). The adductor portion has its proximal attachment on the inferior ramus of the pubis and the ramus of the ischium. The hamstring portion has its proximal attachment on the ischial tuberosity. Each portion has separate and distinct distal attachment points.
The adductor group includes the adductor longus, adductor brevis, pectineus, and gracilis muscles. The adductor longus has a tendinous origin from just below the pubic tubercle. The gracilis is a slender muscle connecting the pubic bone to the medial condyle of the tibia. The adductor brevis lies deep to the adductor longus but anterior to the adductor magnus. It takes origin from the body of the pubis and is inserted to the linea aspera behind the insertion of the adductor longus.
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The adductor muscles are a group of muscles that adduct the femur at the hip joint
The adductor group includes the following muscles: pectineus, adductor brevis, adductor longus, gracilis, and adductor magnus. Pectineus attaches superiorly to the superior pubic ramus and inferiorly to the pectineal line. The pectineal line is a bony ridge that extends along the femur from the lesser trochanter to the linea aspera. Adductor brevis attaches superiorly to the inferior pubic ramus and inferiorly to the upper third of the linea aspera. Adductor longus attaches superiorly to the pubic ramus, just laterally to the pubic symphysis. Inferiorly, it attaches to the middle third of the linea aspera of the femur. Finally, gracilis attaches superiorly to the inferior pubic ramus.
The adductor magnus is the largest of the adductor muscles. It is unique in that it is the only one of the group to cross two joints: the hip joint and the knee joint. This is because its inferior attachment is at the pes anserine of the tibia. The adductor magnus has two parts: the adductor portion and the hamstring portion. The adductor portion has its proximal attachment on the inferior ramus of the pubis and the ramus of the ischium. The hamstring portion has its proximal attachment on the ischial tuberosity.
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The adductor brevis attaches superiorly to the inferior pubic ramus
The adductor brevis is a short muscle that lies underneath the adductor longus. It separates the anterior and posterior branches of the obturator nerve and is an important anatomical landmark within the medial thigh.
The adductor brevis originates on the body of the pubis and the inferior pubic ramus. The body of the pubis is the central, flat portion of the pubic bone that forms the anterior part of the pelvic girdle. The inferior pubic ramus is a thin extension of bone that projects downward and outward from the body of the pubis, connecting it to the ischium. From there, the muscle widens into a triangular shape as it runs inferolaterally towards its insertion on the femur.
The adductor brevis is one of three muscles in the adductor group whose names start with the word 'adductor'. The other two are the adductor longus and the adductor magnus. The adductors are a group of muscles that primarily function to adduct the femur at the hip joint. Although they are all located somewhere along the medial side of the thigh, they originate in different places at the front of the pelvis.
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The adductor longus attaches superiorly to the pubic ramus
The adductor longus is a muscle that attaches superiorly to the pubic ramus, just laterally to the pubic symphysis. It attaches inferiorly to the middle third of the linea aspera of the femur. The adductor longus is part of the adductor group of muscles, which also includes the adductor brevis and the adductor magnus. These muscles are all located somewhere along the medial side of the thigh, originating in different places at the front of the pelvis. The adductor longus has a tendinous origin from just below the pubic tubercle, and its tendon can be palpated in the living by adducting the thigh against resistance. The adductor longus is the deepest of the adductor muscles.
The adductor brevis attaches superiorly to the inferior pubic ramus and inferiorly to the upper third of the linea aspera. The pectineus attaches superiorly to the superior pubic ramus and inferiorly to the pectineal line, which is a bony ridge that extends along the femur from the lesser trochanter to the linea aspera. The gracilis attaches superiorly to the inferior pubic ramus and is the longest muscle in the adductor group. It goes all the way to the tibia before it attaches at its inferior end. The adductor magnus has its proximal attachment on the inferior ramus of the pubis and the ramus of the ischium.
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The gracilis attaches superiorly to the inferior pubic ramus
The gracilis is a long, thin, strap-like muscle that is the most medial muscle of the adductor group. It is the only muscle in the group that does not attach to the linea aspera, instead attaching superiorly to the inferior pubic ramus and the ischium and then inserting distally into the medial condyle of the knee. The gracilis originates from the body and inferior ramus of the pubic bone, travelling distally along the medial portion of the thigh. It joins the sartorius fascia and semitendinosus tendon to form the pes anserinus, inserting onto the anteromedial surface of the proximal tibia. The gracilis is the most superficial and weakest of the adductor muscle group.
The adductor muscles are a group of muscles that primarily function to adduct the femur at the hip joint. They are all located somewhere along the medial side of the thigh, but originate in different places at the front of the pelvis. The adductor longus has a tendinous origin from just below the pubic tubercle, and its tendon can be palpated in the living by adducting the thigh against resistance. The adductor brevis lies deep to the adductor longus but anterior to the adductor magnus, taking origin from the body of the pubis. It is inserted to the linea aspera behind the insertion of the adductor longus. The adductor magnus is the largest of the adductor muscles.
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Frequently asked questions
The word 'adductor' comes from the Latin words 'ad', meaning 'toward', and 'ducere', meaning 'to lead'.
The adductors are a group of muscles that primarily function to adduct the femur at the hip joint. They are located along the medial side of the thigh, originating in different places at the front of the pelvis.
There are three adductor muscles: adductor magnus, adductor brevis, and adductor longus.
The adductor magnus muscle is the largest of the adductor muscles. It is unique in that it is the only one of the group to cross two joints: the hip joint and the knee joint.
The adductor muscles have different attachment points. For example, the adductor magnus has its proximal attachment on the inferior ramus of the pubis and the ramus of the ischium, while the adductor longus attaches superiorly to the pubic ramus.
