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Lower Limb Anotomy
Study Notes
| Question | Answer |
|---|---|
| What is the function of adductor Hallucis ? | Adducts the great toe, Flexes the Great Toe |
| What is the Origin of Psoas Major ? | Transverse processes & Lumbar vertebrae T 12 - L5 |
| What does the Lumbar Spinal Nerve Innervate? | Psoas Major |
| What 2 muscles insert into the lesser trochanter? | Psoas Major, Iliacus |
| List the 6 muscles that are innervated by the femoral Nerve | Rectus Femoris, Vastus Lateralis, Sartorius, Vastus Medalis, Vastus intermedius. |
| Name the 3 muscles of the 1st layer of the foot | Abductor Hallucis, Flexor Digitorum Brevis, Abductor Digit Minimi |
| What is the general function of all 4 layers of muscles of the foot? | Support the arch |
| Name the 3 mucles that make up the Pes Anserine insertion | Gracillis, Sartorius, Semitendonosis |
| What 3 muscles are innervated by the Sup. Gluteal N. | Gluteus Medius, Gluteus Minimus, Tensor fasca lattae |
| What innervates the gluteus Maximus? | Inferior Gluteal N. |
| Name the deep external rotators of teh hip, from sup. to inf. | Piriformis, Gemellis Sup. Obturator internus, Gemelles inferior, Obturator externus, Quadratus femoris |
| What is the origin of abductor longus? | Inferior pubic crest, lat. pubic symphsis |
| What is the origin and function of Tensor Fascia Lattae? | Iliac crest, ASIS |
| What is the insertion of all 4 anterior thigh muscles? | Tibial tuberosity, patellar lig. patella, quadraceps tendon. |
| what is the origin, insertion and function of pectineus? | Origin: sup. ramus of pubis Insertion: lesser trochanter to linea aspera and pectineal line Function: adducts and flexes thigh at hip |
| What is the longest muscle in the body? | Sartorius |
| What muscle has the longest tendon in the body? | Plantaris |
| What is the origin of Sartorius? | ASIS |
| What is another name for adductor magnus ? | 4th hamstring |
| What is the function of tibalis ant. ? | Dorsi flex and inverts foot |
| What is the function of bicep femoris? | flexes leg at knee, extends and lat. rotates at hip. |
| What is the hip hiker muscle? | Quadratus Lumborum |
| What nerve runs along the deep ext. rotators? | Siatic N. |
| What is the origin and insertion of adductor brevis? | origin:body of pubis, inf. pubic ramus Insertion: post. surface of proximal femur and upper 1/3rd of linea aspera |
| what nerves innervates fibularis tertius? | Deep fibular |
| whats the origin, insertion, innervation and function of gastrocnemius? | origin: med. & lat condyles of femur insertion: post. calcaneus via calcaneal tendon innervation: tibial nerve function: plantar flexion |
| what is the insertion of soleus? | calcaneus through achilles tendon |
| what is the action of popliteus? | med. & lat rotates the femus when standing and unlocks the knee |
| what is the origin and insertion of flexor hallucis longus? | origin: post 2/3 of fibula and interossius membrane insertion: plantar surface of distal phalanx of great toe |
| whats the origin, insertion and innervation of rectus abdominus? | origin: pubic crest and pubis symphysis insertion: cartilage of ribs 5-7 and xiphiod process innervation: thoracic spinal nerves |
| whats the reverse mucles action of rectus abdominus? | flexes pelvis on vertebral column |
| whats the action of external obliques? | bilaterally : compresses the abdomin and compresses vertebral coloumn unilaerally: flexes vertebral coloum and rotates |
| whats the origin and insertion of transverse abdominus? | origin: iliac crest, inguinal lig. lumbar fascia and cartilages of ribs 5-10 insertion: xiphiod process, linea alba and pubis |
| what is the action of pectineus? | flexes and adducts thigh at hip |
| what is the origin and insertion and innervation of gracilis? | origin: body & inf. ramus of pubis insertion: pes anserinus innervation: obturator nerve |
| whats the origin of both semitendonosus and semimembranosus? | ischial tuberosity |
| what is the action of both semitendonosus and semimembranosus? | flexes leg t knee, extends thigh at hip joint |
| What is another name for the ankle bone? | lateral malleolus |
| What is the name of the membrane located between the fibula and tibia? | interossius membrane |
| What are the names of the metatarsals of the foot distal to proximal? | medial, intermidiate and lateral cuneiforms, cuboid and navicular |
| what is the name of the ankle joint? | talocrural joint |
| Tibia Articulates with the _________ bone? | Talus |
| What is the heel bone? | Calcaneous |
| Wht is the name of the impression on the head of the femur? | Fovea |
| Name the branches of the Linea aspera? | spiral line into the intertrochanteric line, pectineal line and gluteal line |
| What are the 3 lines of the posterior iliac fossa? | posterior gluteal line, anterior gluteal line and inferior gluteal line |
| What muscle originates from the anterior gluteal line? | gluteus minimus |
| What muscles originates from both anterioir and posterior gluteal lines? | Gluteus medius |
Created by:
lyirwin
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