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Lower Body
muscle attachments
Question | Answer |
---|---|
Gluteus Maximus (Iliac Fibers) | O: Posterior Gluteal Line and Inferior aspect of lateral crest of ilium; I: Gluteal Tuberosity (2 inches) |
Gluteus Maximus (Sacral Fibers) | O: Post. Lat. portion of sacrum; I: Gluteal Tuberosity (2 inches) |
Gluteus Maximus (Coccygeal Fibers) | O: Post. Lat. portion of coccyx; I: Gluteal Tuberosity (2 inches) |
Psoas Major (Thoracic Fibers) | O: Bodies and transv. processes of T12 & L1; I: Superior aspect of lesser trochanter |
Psoas Major (Lumbar Fibers) | O: Bodies and Anterior surface of transverse processes of L2-L5; I: Superior aspect of lesser trochantor |
Psoas Major (Diaphragmatic Fibers) | O: Right Crus: upper 3 lumbar bodies, Left Crus: upper 2 lumbar bodies; I: Central tendon, mid-central part of xyphoid process |
Psoas Minor | O: Ant. Bodies of T12 & L1 vertebrae; I: Superior Ramus of Pubis |
Iliacus | O: Anterior surface of iliac crest; I: Superior aspect of lesser trochanter of femur |
Rectus Femoris | O: Ant. Inf. iliac spine and groove of upper brim of acetabulum just above femoral head; I: Base of patella and tendon attachment to tibial tuberosity |
Tensor Fascia Latae | O: Ant. portion of lat. lip of Iliac crest; I: Into IT tract inf. to joint capsule |
Sartorius | O: Inf. aspect of ASIS; I: Prox/Med shaft of tibia at Pes Anserinus tendon |
Piriformis | O: Ant. surface of sacrum; I: Superior border of greater trocanter |
Quadratus Femoris | O: Sup. Lat. ischial tuberosity; I: Inter-trocanteric crest of greater trocanter |
Gemellus | O: Superior: lat. surface of ischial spine, Inferior: Sup/lat. aspect of ischial tuberosity; I: Medial surface of greater trocanter |
Gluteus Medius (Anterior) | O: Lat. surface of ilium inf. to Iliac Crest (anterior 1/3); I: Lat/Sup and post border surface of greater trocanter |
Gluteus Medius (Middle) | O: Lat. surface of ilium inf. to Iliac crest, (middle 1/3); I: Lat/Sup and post border surface of greater trocanter |
Gluteus Medius (Posterior) | O: Lat. surface of ilium inf. to iliac crest (posterior 1/3); I: Lat/Sup and post border surface of greater trocanter |
Gluteus Minimus (Anterior) | O: Ant. 1/4 of outer middle portion of ilium; I: Ant/Lat border of greater trocanter |
Gluteus Minimus (Lateral) | O: 2nd 1/4 of ant. outer middle portion of ilium; I: Ant/Lat border of greater trocanter |
Adductor Magnus (Oblique fibers) | O: Ischial Tuberosity and ramus of ischium; I: Middle 1/3 of linea aspera |
Adductor Magnus (Vertical fibers) | O: Ischial Tuberosity and ramus of ischium; I: adductor tubercle and lower medial femur |
Adductor Longus | O: Pubic Tubercle; I: Inf. 1/2 of the linea aspera |
Adductor Brevis | O: Inf. ramus of pubis; I: Pectinial line and middle portion of linea aspera |
Pectineus | O: Sup. border of ramus of pubis; I: Pectineal line of femur |
Gracilis | O: Inf. ramus of pubis and ramus of ischium; I: Prox/med shaft of tibia at pes anserinus tendon |
Semimembranosus | O: Ischial Tuberosity; I: Post. aspect of med. condyle of tibia |
Semitendinosus | O: Post. ischial tuberosity; I: Prox/med shaft of tibia at pes anserinus tendon |
Biceps femoris (Long head) | O: Ischial tuberosity; I: Post/sup head of the fibula |
Biceps Femoris (short head) | O: Post. femoral shaft (lower 1/3); I: Post/sup head of fibula |
Vastus Medialis (Upper fibers) | O: Sup. 1/3 of linea aspera of femur; I: Sup/med border of patella and med. aspect of patellar tendon attachment |
Vastus Medialis (Middle Fibers) | O: Middle 1/3 of linea aspera of femur; I: Sup/med border of patella and med. aspect of patellar tendon attachment |
Vastus Medialis (Lower Fibers) | O: Down supracondylar line to just above med. condyle; I: Sup/med border of patella and med. aspect of patellar tendon attachment |
Vastus Lateralis (Upper fibers) | O: Capsule of hip joint, ant/inf border of greater trochanter and upper 1/3 of linea aspera; I: Sup/lat portion of patella, lateral boder of patellar tendon and fascial attachment to sup. aspect of tibia and fibula |
Vastus Lateralis (Middle Fibers) | O: Middle 1/3 of linea aspera; I: Sup/lat portion of patella, lat. border of patellar tendon and fascial attachment to sup. aspect of tibia and fibula |
Vastus Lateralis (Lower fibers) | O: Lower 1/3 of linea aspera; I: Sup/Lat portion of patella, lat. border of patellar tendon and fascial attachment to sup. aspect of tibia and fibula |
Vastus Intermedius (Lateral Fibers) | O: Ant/lat surface of upper 2/3rds of femur from greater trochanter; I: Quad tendon to patella and patellar tendon attachment to tibia |
Vastus Intermedius (Medial Fibers) | O: Ant/med surface of upper 2/3rds of femur from greater trochanter; I: Quad tendon to patellar tendon attachment to tibia |
Articularis Genu | O: Ant. surface of inf. portion of femur; I: Sup. part of supra-patellar bursa |
Medial Gastrocnemius | O: Post. aspect of med. condyle of femur; I: Medial attachment on calcaneus |
Lateral Gastrocnemius | O: Post. aspect of lat. condyle of femur; I: Lat. attachment at calcaneus |
Soleus | O: Post/Med aspect of epicondyle of fibula, upper 1/3 of medial fibula, middle 1/3 of medial border of tibia; I: Through achilles tendon into calcaneus |
Popliteus | O: Lat/Inf aspect of lat. femoral condyle, outer margins of lateral meniscus; I: Triangular area of the post/sup/med tibia |
Peroneus Longus | O: Sup 1/3 of post/lat surface of fibula; I: Plantar surface, Lat side of base of 1st Metatarsal, lat. side of 1st cuneiform |
Peroneus Brevis | O: Middle 1/3 of lat. aspect of fibula; I: Tuberosity at base of 5th Metatarasal |
Peroneus Tertius | O: Inf. 1/3 of ant. aspect of fibula I: Dorsal, medial surface at the base of 5th Metatarsal |
Posterior Tibialis | O: Sup 1/3 of post shaft of tibia, sup 1/3 of med. aspect of fibula and interosseous membrane; I: Plantar Surface, navicular, all cuneiforms, cuboid and bases of 2-4 metatarsals |
Anterior Tibialis | O: Lat. condyle and sup 1/2 of lat surface of tibia (also along interosseous membrane); I: Plantar/med surface of base of 1st Met, Plantar/med of 1st cuneiform |