How Do You Spell MUSCULUS SEMIMEMBRANOSUS?

1. The musculus semimembranosus, commonly known as the semimembranosus muscle, is a long and thick muscle found in the posterior (back) compartment of the thigh. It is part of the hamstring muscle group, along with the musculus semitendinosus and musculus biceps femoris, collectively responsible for extending and flexing the hip joint and flexing the knee joint.

   Originating on the ischial tuberosity, a bony prominence in the pelvis, the semimembranosus muscle courses downward and medially, crossing over the back of the knee joint. As it descends, the muscle belly turns into a stretchy tendon that inserts onto the posterior part of the medial condyle of the tibia, one of the two lower leg bones.

   The semimembranosus muscle plays a crucial role in various movements of the lower limb. It aids in extending the hip joint, which is important for activities like walking and running. Additionally, it flexes the knee joint, thereby helping in bending the leg. It also contributes to the stabilization of the knee joint and assists in rotational movements of the leg.

   Due to its location and functions, the musculus semimembranosus has clinical significance. Injuries such as strains or tears can occur in this muscle, often resulting from activities involving sudden forceful movements, overuse, or inadequate warm-up. Physiotherapy and targeted exercises are common treatment approaches to rehabilitate and strengthen the semimembranosus muscle after injury.

2. Origin, tuberosity of ischium; insertion, inner tuberosity of tibia and by membrane to internal lateral ligament of knee-joint, popliteal fascia, and external condyle of femur; nerve supply, tibial; action, flexes leg and rotates it inward and makes capsular ligament of knee-joint tense.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for MUSCULUS SEMIMEMBRANOSUS

The word "musculus semimembranosus" has Latin origins.

Etymologically, "musculus" is the Latin term for "muscle", derived from the Latin word "musculus" meaning "little mouse" or "mus", suggesting the shape or size of a muscle.

"Semimembranosus" is a compound word consisting of two parts: "semi-" and "membranosus". "Semi-" in Latin means "half" or "partly", while "membranosus" is derived from the Latin word "membrana", meaning "membrane" or "thin layer". Thus, "semimembranosus" refers to a muscle that has a thin, membranous part or structure, which describes the anatomy of this specific muscle.