click below
click below
Normal Size Small Size show me how
Hip Muscles
Hip Muscles OIA for Hip Quiz
| Question | Answer |
|---|---|
| Gluteus Maximus Origin | Posterior gluteal line of ilium, dorsal sacrum, coccyx, sacrotuberous ligament |
| Glut Max Insertion | Gluteal tuberosity of femur & IT tract |
| Glut Max Action | Extend & ER thigh, extend pelvis when LE fixed |
| Glut Med Origin | Ilium b/t ant & post gluteal lines |
| Glut Med Insertion | Anterior border of greater trochanter |
| Glut Med Action | Abduction & IR of thigh |
| TFL Origin | Outer lip of iliac crest & ASIS |
| TFL Insertion | IT Tract |
| TFL Action | Flexes, Abducts, IR thigh |
| Piriformis Origin | Pelvic surface of sacrum, sacrotuberous ligament from ilium below PIIS |
| Piriformis Insertion | Upper border of greater trochanter |
| Piriformis Action | ER of thigh; can abduct & IR flexed thigh |
| Obturator Internus Origin | Inner surface of pelvis, from obturator membrane & edges of obturator foramen |
| Obturator Internus Insertion | Medial greater trochanter |
| Obturator Internus Action | ER thigh; Abduct flexed thigh |
| Obturator Externus Origin | External surface pubis & ischium along margin of obturator foramen & from obturator membrane |
| Obturator Externus Insertion | Trochanteric fossa |
| Obturator Externus Action | Hip ER |
| Quadratus Femoris Origin | Ischial tuberosity |
| Quadratus Femoris Insertion | Intertrochanteric crest |
| Quadratus Femoris action | Hip ER |
| Semitendinosus Origin | Arises with LH biceps from ischial tuberosity |
| Semitendinosus Insertion | Upper part of medial tibia (pes anserine) |
| Semitendinosus Action | Knee flexion; Hip extension & IR of flexed knee |
| Biceps femoris origin | LH: ischial tub lower sacrotuberous lig; SH: lateral linea aspera, upper lateral supracondylar line, lateral IM septum |
| Biceps Femoris Insertion | Lateral head of fibula & lateral condyle of tibia |
| Biceps Femoris Action | Knee flexion; LH also extends hip |
| Semimembranosus Origin | Ischial tub & adjacent ischial ramus |
| Semimembranosus Insertion | Posteromedial aspect of medial tibial condyle |
| Semimembranosus Action | Flex & IR knee; Hip extension |
| Pectineus Origin | Pectineal line of pubis |
| Pectineus Insertion | Upper half of pectineal line of femur |
| Pectineus Action | Flexes, Adducts, & IR hip |
| Adductor Longus Origin | Crest & symphysis of pubis |
| Adductor Longus Insertion | Middle 1/3 of linea aspera |
| Adductor Longus Action | Adduction, flexion, ER of thigh |
| Adductor Brevis Origin | Body & inferior ramus of pubis |
| Adductor Brevis Insertion | Pectineal line of femur & upper part of linea aspera |
| Adductor Brevis Action | Adduction, flexion, IR hip |
| Adductor Magnus Origin | Ischial tuberosity & ischiopubic ramus |
| Adductor Magnus Insertion | Gluteal tuberosity, medial linea aspera, medial supraocndylar line & adductor tubercle |
| Adductor Magnus Action | Hip adduction; Upper fibers flex & IR hip; Lower fibers extend & ER hip |
| Gracilis Origin | Body & inferior ramus of pubis |
| Gracilis Insertion | Pes Anserine |
| Gracilis Action | Hip adduction; Knee flexion; IR tibia on femur |
| Iliopsoas Origin | Iliacus: upper iliac fossa, ala of sacrum, & adjacent ligs; Psoas Major: lateral lumbar vertebrae bodies, discs & TP's |
| Iliopsoas Insertion | Lesser trochanter |
| Iliopsoas Action | Flex & IR hip; Psoas extends & SB lumbar vertebral column |
| Rectus Femoris Origin | AIIS & posterosuperior aspect of acetabular rim |
| Rectus Femoris Insertion | Tibial tuberosity via patellar tendon/ligament |
| Rectus Femoris Action | Knee extension; Hip flexion |
| Vastus Lateralis Origin | Intertrochanteric line, greater trochanter, gluteal tuberosity, upper lateral linea aspera & lateral IM septum |
| Vastus Lateralis Insertion | Tibial tuberosity via patellar tendon |
| Vastus Lateralis Action | Knee Extension |
| Vastus Medialis Origin | Intertrochanteric line, medial linea aspera, medial supracondylar line, medial IM septum |
| Vastus Medialis Insertion | Tibial tuberosity via patellar tendon |
| Vastus Medialis Action | Knee Extension |
| Vastus Intermedius Origin | Upper 2/3 of femur & distal 1/2 of lateral IM septum; fuses with vastus lateralis |
| Vastus Intermedius Insertion | Tibial tuberosity via patellar tendon |
| Vastus Intermedius Action | Knee Extension |
| Sartorius Origin | ASIS |
| Sartorius Insertion | Pes Anserine |
| Sartorius Action | Hip flexion, abduction, ER; Knee flexion & IR |
| Resting Position | 30 deg flexion & abduction; Slight ER |
| Hip CPP | Ext, IR, Abd |
| Hip Capsular Pattern | Flexion, Abd, IR > Ext, Adduction, ER |