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Posterior Leg
Muscles of the Posterior Leg
Question | Answer |
---|---|
What is the Origin of the Semimembranosus | Ischial Tuberosity (Mem) |
What is the Origin of the Semitendinosus | Ischial Tuberosity (Ten) |
What is the Origin of the Biceps Femoris | Long head: Ischial tuberosity Short head: Lateral lip of linea aspera |
What is the Origin of the Plantaris | Lateral supracondylar ridge of femur |
What is the Origin of the Popliteus | Lateral epicondyle of femur |
What is the Origin of the Gastrocnemius | Posterior surface of femoral condyles |
What is the Origin of the Soleus | Soleal line, posterior surface of tibia, posterior surface of fibula |
What is the Origin of the Flexor Digitorum Longus | Middle posterior surface of tibia |
What is the Origin of the Flexor Hallucis Longus | Middle half of posterior fibula |
What is the Origin of the Tibialis Posterior | Proximal posterior shaft of tibia, proximal fibula & interosseus membrane |
What is the Insertion of the Semimembranosus | Posterior aspect of medial condyle of tibia |
What is the Insertion of the Semitendinosus | Proximal medial shaft of tibia at pes anserinus tendon |
What is the Insertion of the Biceps Femoris | Head of fibula |
What is the Insertion of the Plantaris | Calcaneus via calcaneal tendon |
What is the Insertion of the Popliteus | Proximal posterior aspect of tibia |
What is the Insertion of the Gastrocnemius | Calcaneus via calcaneal tendon (Gas) |
What is the Insertion of the Soleus | Calcaneus via calcaneal tendon (Sol) |
What is the Insertion of the Flexor Digitorum Longus | Distal phalanges of 2nd – 5th toes |
What is the Insertion of the Flexor Hallucis Longus | Distal phalange of 1st toe |
What is the Insertion of the Tibialis Posterior | Navicular, cuneiforms, cuboid & bases of 2nd – 4th metatarsals |
What is the Action of the Semimembranosus | Extend hip Flex knee Medially rotate flexed knee Tilt pelvis posteriorly Medially rotate hip |
What is the Action of the Semitendinosus | Extend hip Flex knee Medially rotate flexed knee Tilt pelvis posteriorly Medially rotate hip |
What is the Action of the Biceps Femoris | Extend hip Flex knee Laterally rotate flexed knee Tilt pelvis posteriorly Laterally rotate hip |
What is the Action of the Plantaris | Weak plantarflexion of ankle Week flexion of knee |
What is the Action of the Popliteus | Medially rotate flexed knee Flex the knee |
What is the Action of the Gastrocnemius | Flex knee Plantarflex ankle |
What is the Action of the Soleus | Plantarflex ankle |
What is the Action of the Flexor Digitorum Longus | Flex toes 2-5 Invert foot Weak plantarflexion of ankle |
What is the Action of the Flexor Hallucis Longus | Flex 1st toe Invert foot Weak plantarflexion of ankle |
What is the Action of the Tibialis Posterior | Invert foot Plantarflex ankle |
Which muscle Originates from the Ischial Tuberosity (Mem) | Semimembranosus |
Which muscle Originates from the Ischial Tuberosity (Ten) | Semitendinosus |
Which muscle Originates from the Long head: Ischial tuberosity Short head: Lateral lip of linea aspera | Biceps Femoris |
Which muscle Originates from the Lateral supracondylar ridge of femur | Plantaris |
Which muscle Originates from the Lateral epicondyle of femur | Popliteus |
Which muscle Originates from the Posterior surface of femoral condyles | Gastrocnemius |
Which muscle Originates from the Soleal line, posterior surface of tibia, posterior surface of fibula | Soleus |
Which muscle Originates from the Middle posterior surface of tibia | Flexor Digitorum Longus |
Which muscle Originates from the Middle half of posterior fibula | Flexor Hallucis Longus |
Which muscle Originates from the Proximal posterior shaft of tibia, proximal fibula & interosseus membrane | Tibialis Posterior |
Which muscle Inserts into the Posterior aspect of medial condyle of tibia | Semimembranosus |
Which muscle Inserts into the Proximal medial shaft of tibia at pes anserinus tendon | Semitendinosus |
Which muscle Inserts into the Head of fibula | Biceps Femoris |
Which muscle Inserts into the Calcaneus via calcaneal tendon | Plantaris |
Which muscle Inserts into the Proximal posterior aspect of tibia | Popliteus |
Which muscle Inserts into the Calcaneus via calcaneal tendon (Gas) | Gastrocnemius |
Which muscle Inserts into the Calcaneus via calcaneal tendon (Sol) | Soleus |
Which muscle Inserts into the Distal phalanges of 2nd – 5th toes | Flexor Digitorum Longus |
Which muscle Inserts into the Distal phalange of 1st toe | Flexor Hallucis Longus |
Which muscle Inserts into the Navicular, cuneiforms, cuboid & bases of 2nd – 4th metatarsals | Tibialis Posterior |
Which Muscles Actions are to: Extend hip Flex knee Medially rotate flexed knee Tilt pelvis posteriorly Medially rotate hip (Mem) | Semimembranosus |
Which Muscles Actions are to: Extend hip Flex knee Medially rotate flexed knee Tilt pelvis posteriorly Medially rotate hip (Ten) | Semitendinosus |
Which Muscles Actions are to: Extend hip Flex knee Laterally rotate flexed knee Tilt pelvis posteriorly Laterally rotate hip | Biceps Femoris |
Which Muscles Actions are to: Weak plantarflexion of ankle Week flexion of knee | Plantaris |
Which Muscles Actions are to: Medially rotate flexed knee Flex the knee | Popliteus |
Which Muscles Actions are to: Flex knee Plantarflex ankle | Gastrocnemius |
Which Muscles Actions are to: Plantarflex ankle | Soleus |
Which Muscles Actions are to: Flex toes 2-5 Invert foot Weak plantarflexion of ankle | Flexor Digitorum Longus |
Which Muscles Actions are to: Flex 1st toe Invert foot Weak plantarflexion of ankle | Flexor Hallucis Longus |
Which Muscles Actions are to: Invert foot Plantarflex ankle | Tibialis Posterior |