ORIGIN Soleal line and middle third of posterior border of tibia and upper quarter of posterior shaft of fibula including neck: INSERTION Tendo calcaneus to middle of three facets on posterior surface of calcaneus: ACTION Plantar flexes foot (aids venous return) NERVE The bulk of the gastrocnemius muscle from each of the heads come together and insert into the posterior surface of a broad membranous tendon. The calcaneal tendon, also known as the tendon of Achilles, is a posterior leg tendon — a fibrous connective tissue that joins muscles in the back of the leg. Insertion: Top of the patella and the patella tendon to the tibial tuberosity. The soleus joins with the aponeuroses of the gastrocnemius, forming the calcaneal tendon or Achilles tendon that inserts onto the calcaneal tuberosity.. Action. The Rectus Femoris muscle is part of the Quadriceps muscle group. Gastrocnemius muscle or as it is commonly referred to – “stomach of the leg” is a very important muscle of the body. Plantaris Origin: Lateral supracondylar ridge of femur above lateral head of gastrocnemius Insertion: Endo calcaneus (medial side, deep to gastrocnemius tendon) Other actions: Flexes knee. Insertion : Semilunar crest and adjacent surface of the cartilage of the distal phalanx , continues as the deep digital flexor tendon to insert on the distal phalanx The two muscles join together at the Achilles tendon and insert on the back side of your heel bone, called the calcaneus. Soleus muscle Origin of Soleus Posterior aspect of fibular head, upper 1/4 - 1/3 of posterior surface of fibula, middle 1/3 of medial border of tibial shaft, and from posterior surface of a tendinous arch spanning the two sites of bone origin. *All 3 insert into the calcaneus, do plantar flexion and are innervated by the tibial nerve. Summary. Soleus Action. It then fuses with the soleus tendon to form the upper part of tendocalcaneus. Soleus. An easy way to determine the origin of any muscle is to find the point at which the muscle moves the least. The soleus muscle courses down the back of your lower leg and is located just beneath your larger gastrocnemius muscle. Insertion. Origin: Anterior Inferior Iliac Spine (AIIS). Upper third of … Gastrocnemius: Origin, Insertion, Action & Nerve Supply Gastrocnemius: The gastrocnemius is a very potent superficial bipennate muscle that is in the back part of the lower leg muscles. Soleus is used constantly in standing to maintain an upright position. As the gastrocnemius crosses knee and ankle, the position of the knee during the plantar flexion resistance exercise affects activity of the muscle. Origin Of The Rectus Femoris is On The Ilium. Origin: Originates from the fibula. The origin of the Soleus is the upper shaft of the Fibula and the medial border of the Tibia. Origin posterior border of iliac crest Insertion inferior border of 12th rib and iliolumbar ligament and ((transverse process of L1-L4)) Action: Actions Alone(unilateral), lateral flexion of vertebral column; Together (bilateral), depression of thoracic rib cage Soleus Origin And Insertion. It is the only muscle of the group which crosses the hip joint and is a powerful knee extensor when the hip is extended but is weak when the hip is flexed. The origin of a muscle is the point at which it originates on the skeleton. The insertion of the Soleus is into the Calcaneus via the Achilles Tendon. Flexor Hallucis Longus Origin: Fibula, posterior aspect of middle 1/3 Origin: The deep digital flexor muscle has three heads, originating from the lateral condyle of the fibula, the caudal and medial aspect of the tibia. Where do the soleus muscles attach? Start studying Origin, Insertion, Action, Innervation, and Muscles of Leg. It origination on the ilium. Insertion The soleus muscle, located deep/anterior to the medial and lateral gastrocnemius muscle heads, originates on the posterior aspect of the tibia (middle third of the medial border) and fibula (head and body) and inserts on the calcaneus through the Achilles tendon (see Figure 31.1). They are located deep to the gastrocnemius. The plantaris muscle arises from the posterosuperior aspect of the lateral femoral condyle, close to the origin of lateral head of gastrocnemius. The soleus originates from the head of the fibula and the soleal line of the tibia.. Insertion. Origin, insertion, functions, and exercises of the Soleus muscle. Once detached from the gastrocnemius, you can use the blunt probe to lift up and see the soleus. Soleus is a large muscle, deep to Gastrocnemius. It is located in the lower leg’s back portion and is one of the two major muscles of the calf of the leg. It moves from its two heads just over the knee to the heel, a two joint muscle. SOLEUS. Soleus is a large flat muscle located underneath gastrocnemius that received its name for its resemblance to a Sole, a type of flatfish. The soleus muscle of horses is rather diminutive with respect to the overall size of adjacent synergist muscles in the hind limb of the horse. Soleus has three origin points, one of which being the tendinous arch of soleus which spans between the tibia and fibula. Keep in mind that origin and insertion are relative terms, and can be reversed depending on the action involved. Specifically, soleus originates on the soleal line of the tibia and on the head of the fibula. Soleus: The soleus is an efficacious muscle in the posterior part of the lower leg muscles(the calf). Origin: Upper half of the posterior surface of the tibia, along the soleal line. Muscle Name Origin Insertion Action Innervation Muscles of Upper Extremity Pectoralis Major Medial half of clavicle, front of sternum, costal cartilage Crest of greater tubercle (Lateral ... Soleus -Posterior, superficial Head and posterior surface of fibula and soleal line of tibia This is a view of the back of the right leg; most of the gastrocnemius muscle has been removed. Soleus: Origin, Insertion, Action & Nerve Supply. Soleus Insertion. It is named from its straight course. [1] Another variant, the cyamella, is a small sesamoid bone embedded in the tendon of the popliteus muscle. The origin. In humans and some other mammals, the soleus is a powerful muscle in the back part of the lower leg (the calf).It runs from just below the knee to the heel, and is involved in standing and walking.It is closely connected to the gastrocnemius muscle and some anatomists consider them to be a single muscle, the triceps surae.Its name is derived from the Latin word "solea", meaning "sandal". Action: The soleus extends the ankle and allows for plantar flexion. Together the Gastrocnemius, Soleus, and Plantaris are known as Triceps Surae. Separate the soleus from the gastrocnemius by looking inside for a division of the two muscles. The gastrocnemius muscles extend half-way down the lower leg, distally contributing to the Achilles tendon. Soleus Origin. Insertion: Via calcaneal tendon to posterior surface of calcaneus Origin. Origin. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The soleus muscle is part of the posterior compartment of the leg. It arises from just below the knee to the heel, and is involved in standing and walking. Insertion of Soleus key relationships : between the medial head of the gastrocnemius and soleus; Gross anatomy Origin and insertion. Lower Limb Muscles #2 Posterior Compartment of Leg (superficial) *Gastrocnemius and soleus both insert to the calcaneal (Achilles) tendon and together they form the “triceps surae”. The soleus muscle is one of the calf muscles (triceps surae) in the superficial posterior compartment of the leg which sits deep to gastrocnemius.It is much bigger than gastrocnemius and is the primary plantar flexor. Soleus Origin: Fibula, medial border of tibia (soleal line) Insertion: Tendo calcaneus. For instance the quadriceps muscle group will extend the knee and flex the hip. Origin: Tibia & Fibula; Insertion: On the calcaneus via the Achilles tendon; Innervation: The muscle is innervated by the nervus tibialis. Given that muscles make movement happen, each muscle will create a certain movement around a joint. They are like biceps and braciallis. Whether or not such a muscle might be vestigial or may be providing some essential function has not been determined. The soleus extends down from both bones of the lower leg (tibia & fibula) its entire length, merges into the Achilles tendon and attaches onto the posterior surface of the heel. Other important calf muscle lies underneath the gastrocnemius muscle, which is named the soleus muscle. The soleus muscle and surrounding structures, from Gray's Anatomy. The tables on the following pages detail the origin, insertion and action of some of the major muscles in the body. The medial and lateral gastrocnemius tendons together with the soleus muscle form the calf. The gastrocnemius muscle is used more during dynamic, higher force activities and soleus muscle is more active during postural and static contractions. There is often an attachment to the oblique popliteal ligament. The quadriceps Muscle Origin : Rectus femoris : This Muscle Located At Centre Of The Thigh And Covers All Other Three Muscles. 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