semimembranosus muscle


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

sem·i·mem·bra·no·sus mus·cle

(sem'ē-mem'bră-nō'sŭs mŭs'ĕl)
Origin, tuberosity of ischium; insertion, medial condyle of tibia and by membrane to tibial collateral ligament of knee joint, popliteal fascia, and via its reflected tendon of insertion (oblique popliteal ligament) lateral condyle of femur; action, flexes knee and rotates leg medially when knee is flexed, and contributes to the stability of extended knee by making capsule of knee joint tense; nerve supply, tibial.
Synonym(s): musculus semimembranosus [TA] .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

semimembranosus muscle

Thigh muscle. Origin: ischial tuberosity. Insertion: medial condyle of tibia. Nerve: sciatic (L5-S2). Action: extends thigh, flexes and medially rotates leg.
See: leg for illus. (Muscles of the leg)
See also: muscle
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Among these, rheumatoid arthritis is a well-known cause of popliteal cysts, since inflammation and synovial proliferation can destroy the unidirectional valve mechanism between the medial head of the gastrocnemius muscle and semimembranosus muscle [11].
The secondary site in both instances was the semimembranosus muscle. As previously mentioned, 5 of 30 cases of hamstring injury reported in this study involved the short head of biceps femoris.
The carcass composition and carcass characteristics were not significantly different in Longissimus and Semimembranosus muscle by feeding soybean oil and whole cotton seed compared with the control treatment.
Both cases presented with unilateral pyomyositis involving the thigh and semimembranosus muscles, respectively, and occurred in immunocompetent patients [2, 3].
(2001) worked on the sensory analysis in Longissimus dorsi and Semimembranosus muscles in the genotypes of Awassi, Red Karaman, Tushin and Awassi X Tushin.
A popliteal cyst, which is a distension of the bursa existing between the gastrocnemius and the semimembranosus muscles, is a representative of this type of bursa developing as a result of the check-valve mechanism [2, 11].
Similarly the piriformis (Hollinshead, 1969, Moore, 1985; Romanes, 1964; Testut, 1899; Williams et al., 1995), obturator internus (Testut, 1899), semitendinosus and semimembranosus muscles (Bergman et al, 1984; Le Double, 1884) have also been described as attaching to the sacrotuberous ligament (Figure 3 and 4).
Effect of pH (24), NaCl content and proteolysis index on the relationship between water content and texture parameters in biceps femoris and semimembranosus muscles in dry-cured ham.
Relationships between biochemical characteristics and meat quality of longissimusc thoracis and semimembranosus muscles in five porcine lines.
Additionally, a high level of dietary Se (2.5 mg Se/kg diet) had no significant effects on FA concentrations in longissimus dorsi and semimembranosus muscles of Merino lambs (Liu et al., 2011).
The colour and colour stability of beef longissimus dorsi and semimembranosus muscles after effective electrical stimulation.
Relationships between biochemical characteristics and meat quality of Longissimus thoracis and Semimembranosus muscles in five porcine lines.