Articularis Genu Muscle: Difference between revisions
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== Description == | == Description == | ||
[[File: | [[File:Anatomy of Articularis genu muscle.png|alt=GOOGLE IMAGES|thumb|[https://en.wikipedia.org/wiki/File:Gray244.png anatomy] for articularis genu muscle]] | ||
Articularis genu it is a very small muscle considered as a fifth head of Quadriceps muscle that lie deep vastus intermedius muscle and founded that it has an important mechanical role during knee movement. | Articularis genu it is a very small muscle considered as a fifth head of [[Quadriceps Muscle|Quadriceps]] muscle that lie deep vastus intermedius muscle and founded that it has an important mechanical role during knee movement. | ||
=== Origin === | === Origin === | ||
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=== Nerve === | === Nerve === | ||
Medial deep division of femoral nerve (L2-L4).<ref name=":0" /> | Medial deep division of [[Femoral Nerve|femoral]] nerve (L2-L4).<ref name=":0" /> | ||
=== Artery === | === Artery === | ||
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== Clinical relevance == | == Clinical relevance == | ||
This muscle is so important during knee flexion and extension,as when knee extended it pull suprapatellar bursa up so it prevent it is impingement between femur and tibia so if these muscle didn't work that causes suprapatellar bursitis which is painful condition occured during knee movement,Bursitis mean inflammation or swelling in bursa<ref name=":1">Rishor-Olney CR, Pozun A. Prepatellar Bursitis. InStatPearls [Internet] 2022 Mar 3. StatPearls Publishing. | This muscle is so important during knee flexion and extension,as when knee extended it pull suprapatellar bursa up so it prevent it is impingement between femur and tibia so if these muscle didn't work that causes suprapatellar bursitis which is painful condition occured during knee movement,[[Bursitis]] mean inflammation or swelling in bursa<ref name=":1">Rishor-Olney CR, Pozun A. Prepatellar Bursitis. InStatPearls [Internet] 2022 Mar 3. StatPearls Publishing. | ||
BibTeXEndNoteRefManRefWorks</ref><ref>Williams CH, Jamal Z, Sternard BT. StatPearls [Internet]. StatPearls Publishing; Treasure Island (FL): Jul 24, 2022. Bursitis. [PubMed]</ref> | BibTeXEndNoteRefManRefWorks</ref><ref>Williams CH, Jamal Z, Sternard BT. StatPearls [Internet]. StatPearls Publishing; Treasure Island (FL): Jul 24, 2022. Bursitis. [PubMed]</ref> | ||
=== Assessment === | === Assessment === | ||
[[File: | [[File:-Prepatellar bursitis.jpg|alt=GOOGLE IMAGES|thumb|[https://en.wikipedia.org/wiki/File:Prepatellar_bursitis.JPG suprapatellar] [https://en.wikipedia.org/wiki/File:Prepatellar_bursitis.JPG bursitis]]] | ||
[[File: | [[File:Knee Injection.jpeg|thumb|[https://upload.wikimedia.org/wikipedia/commons/0/03/Pain-Doctor-Knee-Injection-Procedure-3.jpg]knee injection]] | ||
Acute Bursitis may be due to trauma,infection and crystalloin joint disease and this patient present with erythema,warmth and tenderness with palpation and may affect ROM secondary to discomfort.On the other hand chronic bursitis occured due to diabetes or chronic steroid use and may be repetetive load from hobby or occupation ,chronic bursitis is often painless<ref name=":1" />,Imaging may be useful adjacent history and physical examination like X-ray important in acute cases produced from fracture ,US used to differantiate between inflamed bursa and cellulitis and MRI used for differantial diagnosis. | Acute Bursitis may be due to trauma,infection and crystalloin joint disease and this patient present with erythema,warmth and tenderness with palpation and may affect ROM secondary to discomfort.On the other hand chronic bursitis occured due to diabetes or chronic steroid use and may be repetetive load from hobby or occupation ,chronic bursitis is often painless<ref name=":1" />,Imaging may be useful adjacent history and physical examination like X-ray important in acute cases produced from fracture ,US used to differantiate between inflamed bursa and [[cellulitis]] and MRI used for differantial diagnosis. | ||
== Treatment == | == Treatment == | ||
Bursitis may be treated conservatively using(ice,rest,activity modification,NSAIDs and aspiration)most cases respond to this treatment especially acute cases<ref name=":1" />.on the other hand chronic cases benefit from corticosteroids injection.If conservative treatment failed it is recommended to use incision and drainage that recommended in traumatic and septic cases <ref>Lormeau C, Cormier G, Sigaux J, Arvieux C, Semerano L. Management of septic bursitis. Joint Bone Spine. 2019 Oct;86(5):583-588. [PubMed]</ref> | Bursitis may be treated conservatively using(ice,rest,activity modification,NSAIDs and aspiration)most cases respond to this treatment especially acute cases<ref name=":1" />.on the other hand chronic cases benefit from corticosteroids injection.If conservative treatment failed it is recommended to use incision and drainage that recommended in traumatic and [[Septic (Infectious) Arthritis|septic]] cases <ref>Lormeau C, Cormier G, Sigaux J, Arvieux C, Semerano L. Management of septic bursitis. Joint Bone Spine. 2019 Oct;86(5):583-588. [PubMed]</ref> | ||
== Resources == | == Resources == | ||
Revision as of 19:20, 14 January 2023
Original Editor - Seba Mamdouh
Top Contributors - Seba Mamdouh and Kim Jackson
Description[edit | edit source]
Articularis genu it is a very small muscle considered as a fifth head of Quadriceps muscle that lie deep vastus intermedius muscle and founded that it has an important mechanical role during knee movement.
Origin[edit | edit source]
Distal femur deep to vastus intermedius.[1]
Insertion[edit | edit source]
Suprapatellar bursa and the joint capsule.
Nerve[edit | edit source]
Medial deep division of femoral nerve (L2-L4).[1]
Artery[edit | edit source]
Lateral femoral circumflex artery.[1]
Function[edit | edit source]
- Elevate supraspinatus bursa during knee extension.
- Prevent synovial membrane impingement between femur and patella.
Clinical relevance[edit | edit source]
This muscle is so important during knee flexion and extension,as when knee extended it pull suprapatellar bursa up so it prevent it is impingement between femur and tibia so if these muscle didn't work that causes suprapatellar bursitis which is painful condition occured during knee movement,Bursitis mean inflammation or swelling in bursa[2][3]
Assessment[edit | edit source]
Acute Bursitis may be due to trauma,infection and crystalloin joint disease and this patient present with erythema,warmth and tenderness with palpation and may affect ROM secondary to discomfort.On the other hand chronic bursitis occured due to diabetes or chronic steroid use and may be repetetive load from hobby or occupation ,chronic bursitis is often painless[2],Imaging may be useful adjacent history and physical examination like X-ray important in acute cases produced from fracture ,US used to differantiate between inflamed bursa and cellulitis and MRI used for differantial diagnosis.
Treatment[edit | edit source]
Bursitis may be treated conservatively using(ice,rest,activity modification,NSAIDs and aspiration)most cases respond to this treatment especially acute cases[2].on the other hand chronic cases benefit from corticosteroids injection.If conservative treatment failed it is recommended to use incision and drainage that recommended in traumatic and septic cases [4]
Resources[edit | edit source]
- ↑ 1.0 1.1 1.2 Grob K, Gilbey H, Manestar M, Ackland T, Kuster MS. The anatomy of the articularis genus muscle and its relation to the extensor apparatus of the knee. JBJS Open Access. 2017 Dec 12;2(4). BibTeXEndNoteRefManRefWorks
- ↑ 2.0 2.1 2.2 Rishor-Olney CR, Pozun A. Prepatellar Bursitis. InStatPearls [Internet] 2022 Mar 3. StatPearls Publishing. BibTeXEndNoteRefManRefWorks
- ↑ Williams CH, Jamal Z, Sternard BT. StatPearls [Internet]. StatPearls Publishing; Treasure Island (FL): Jul 24, 2022. Bursitis. [PubMed]
- ↑ Lormeau C, Cormier G, Sigaux J, Arvieux C, Semerano L. Management of septic bursitis. Joint Bone Spine. 2019 Oct;86(5):583-588. [PubMed]
1-Grob K, Gilbey H, Manestar M, Ackland T, Kuster MS. The anatomy of the articularis genus muscle and its relation to the extensor apparatus of the knee. JBJS Open Access. 2017 Dec 12;2(4).↵↵BibTeXEndNoteRefManRefWorks
2-Rishor-Olney CR, Pozun A. Prepatellar Bursitis. InStatPearls [Internet] 2022 Mar 3. StatPearls Publishing.
3-Williams CH, Jamal Z, Sternard BT. StatPearls [Internet]. StatPearls Publishing; Treasure Island (FL): Jul 24, 2022. Bursitis. [PubMed]
4-Stell IM. Management of acute bursitis: outcome study of a structured approach. J R Soc Med. 1999 Oct;92(10):516-21. [PMC free article] [PubMed]
5-Lormeau C, Cormier G, Sigaux J, Arvieux C, Semerano L. Management of septic bursitis. Joint Bone Spine. 2019 Oct;86(5):583-588. [PubMed]
![[1]](https://upload.wikimedia.org/wikipedia/commons/0/03/Pain-Doctor-Knee-Injection-Procedure-3.jpg){kind=link}