- Pectineus muscle
- Adductor brevis muscle
- Adductor muscles of the hip
- Pectineal line (pubis)
- Medial compartment of thigh
- Linea aspera
- Adductor longus muscle
- Pectineal
- Femoral triangle
- Iliopsoas
- Pectineus Pain: Causes and Treatment - Verywell Health
- Pectineus muscle - Wikipedia
- Pectineus: Origin, insertion, innervation, action | Kenhub
- Pectineus Muscle - Physiopedia
- Pectineus Muscle Pain - Cause, Symptoms, Treatment, Exercise
- Pectineus: What Is It, Location, Function, and More | Osmosis
- Pectineus Muscle Strain: Symptoms, Treatment, and Recovery
- Pectineus Muscle: Groin and Pelvic Pain - The Wellness Digest
- Pectineus Muscle Pain - Cause, Symptoms, Treatment
- Pectineus - Actions - Attachmentts - TeachMeAnatomy
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The pectineus muscle (, from the Latin word pecten, meaning comb) is a flat, quadrangular muscle, situated at the anterior (front) part of the upper and medial (inner) aspect of the thigh. The pectineus muscle is the most anterior adductor of the hip. The muscle's primary action is hip flexion; it also produces adduction and external rotation of the hip.
It can be classified in the medial compartment of thigh (when the function is emphasized) or the anterior compartment of thigh (when the nerve is emphasized).
Structure
The pectineus muscle arises from the pectineal line of the pubis and to a slight extent from the surface of bone in front of it, between the iliopectineal eminence and pubic tubercle, and from the fascia covering the anterior surface of the muscle; the fibers pass downward, backward, and lateral, to be inserted into the pectineal line of the femur which leads from the lesser trochanter to the linea aspera.
= Relations
=The pectineus is in relation by its anterior surface with the pubic portion of the fascia lata, which separates it from the femoral artery and vein and internal saphenous vein, and lower down with the profunda femoris artery.
By its posterior surface with the capsule of the hip joint, and with the obturator externus and adductor brevis, the obturator artery and vein being interposed.
By its external border with the psoas major, the femoral artery resting upon the line of interval.
By its internal border with the outer edge of the adductor longus.
Obturator foramen is situated directly behind this muscle, which forms one of its coverings.
It forms part of the floor of the femoral triangle.
= Innervation
=The lumbar plexus is formed from the anterior rami of nerves L1 to L4 and some fibers from T12. With only five roots and two divisions, it is less complex than the brachial plexus and gives rise to a number of nerves including the femoral nerve and accessory obturator nerve. The pectineus muscle is considered a composite muscle as the innervation is by the femoral nerve (L2 and L3) and occasionally (20% of the population) a branch of the obturator nerve called the accessory obturator nerve. When it is present, the accessory obturator nerve innervates a portion of the pectineus muscle, entering the muscle on its dorsomedial aspect. The greater nerve to the muscle is the femoral nerve. Unlike the obturator accessory nerve, the femoral nerve is always present and provides the sole innervation for the pectineus muscle in over 90% of cases. The muscle is also innervated by the accessory obturator nerve in the 8.7% of cases in which the nerve occurs.
Function
Its primary functions are contributing to hip flexion and hip adduction. Secondarily, it also internally rotates the thigh.
Additional images
See also
Thigh
References
This article incorporates text in the public domain from page 472 of the 20th edition of Gray's Anatomy (1918)
Notes
Woodburne, Russell (1960). "The Accessory Obturator Nerve and the Innervation of the Pectineus Muscle" (PDF). Michigan Library Med School. 136 (3): 367–369. doi:10.1002/ar.1091360303. hdl:2027.42/49789. PMID 13845846. S2CID 14846721. Retrieved 2 December 2015.
Saladin, Kenneth S. Anatomy & Physiology: The Unity of Form and Function. New York, NY: McGraw-Hill, 2007. pg.493. Print.
External links
Anatomy figure: 12:02-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Muscles of the anterior (extensor) compartment of the thigh."
Anatomy figure: 12:03-04 at Human Anatomy Online, SUNY Downstate Medical Center - "Deep muscles of the anterior thigh."
Cross section image: pelvis/pelvis-e12-15—Plastination Laboratory at the Medical University of Vienna
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Pectineus Muscle - Physiopedia
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Pectineus Pain: Causes and Treatment - Verywell Health
Aug 15, 2023 · The pectineus muscle is a flat, quadrangular muscle in the groin and upper thigh. Part of the adductor muscle group, you use the pectineus to flex your hip and move your leg toward your body. Pectineus pain can be felt in your groin, inner thigh, or front top of your thigh.
Pectineus muscle - Wikipedia
The pectineus muscle (/ p ɛ k ˈ t ɪ n i ə s /, from the Latin word pecten, meaning comb) [1] is a flat, quadrangular muscle, situated at the anterior (front) part of the upper and medial (inner) aspect of the thigh. The pectineus muscle is the most anterior adductor of the hip.
Pectineus: Origin, insertion, innervation, action | Kenhub
Nov 3, 2023 · Pectineus is a short quadrangular muscle extending from the pubis to the area just below the lesser trochanter of femur. It has the most superior attachment of all the thigh adductors, originating from the pectineal line of pubis on the superior pubic ramus.
Pectineus Muscle - Physiopedia
The Pectineus muscle assists in hip adduction and flexion, and is one of the muscles located on the medial thigh, alongside a group of four primary large muscles. These primary muscles include the Adductor Longus, Adductor Brevis, Adductor Magnus, and Gracilis muscles, which primarily function in hip adduction..
Pectineus Muscle Pain - Cause, Symptoms, Treatment, Exercise
Jan 30, 2025 · Pectineus Muscle Pain occurs due to strain, overuse, or sudden movements affecting the upper inner thigh. It can cause groin discomfort, stiffness, and restricted hip mobility, often impacting activities like running, cycling, or kicking. Proper rest, stretching, and strengthening exercises help in recovery.
Pectineus: What Is It, Location, Function, and More | Osmosis
Feb 4, 2025 · The pectineus muscle adducts the thigh, or moves the leg towards the middle of the body, in conjunction with the remaining adductor muscles. The pectineus muscle originates from the pectineal line of the pubic bone and inserts into the pectineal line of the femur, or thigh bone.
Pectineus Muscle Strain: Symptoms, Treatment, and Recovery
Aug 27, 2024 · The small pectineus muscle originates in the upper thigh and plays a crucial role in the movement and stability of the hip and lower body. Understanding the anatomy, function, and potential issues related to the pectineus muscle can help in …
Pectineus Muscle: Groin and Pelvic Pain - The Wellness Digest
Pectineus pain is commonly due to one of two factors: a muscle strain or trigger points in the muscle. Though pectineus strains and trigger point pain have signs and symptoms in common, there are differences that you should know so you can assess and properly treat the pain.
Pectineus Muscle Pain - Cause, Symptoms, Treatment
Jan 15, 2024 · Along with a set of four basic big muscles, the Pectineal muscle is one of the muscles on the medial thigh that aids in hip adduction and flexion. The Adductor Longus, Adductor bravis, Adductor Magnus, and Gracilis muscles are among these main muscles; they are mostly involved in hip adduction.
Pectineus - Actions - Attachmentts - TeachMeAnatomy
Jan 7, 2023 · The pectineus is a muscle in the anterior compartment of the thigh. It is a flat, quadrangular-shaped muscle, which contributes to the floor of the femoral triangle. Attachments: Originates from the pectineal line of the pubis bone.