ANTERIOR AND LATERAL THIGH MUSCLES

                   ORIGIN                   INSERTION            INNERVATION          ARTERY         ACTION

 ADDUCTOR GROUP OR MEDIAL FEMORAL GROUP OF THE THIGH

Gracilis                     Pubis, 1^st surface      Med. Surf of tibia     Obturator L2, L3              Profunda       Adduction

                                Ischeal Ramus            in pes anserine                                                 Femorus

Pectineus                 Iliac pectial eminence  Posteromedial asp.   Femoral N L2, L3            Profunda       Add. and

                                & Pubic tubercle         of femur. Lineand or acc.                                 Femorus        flexor at

                                Between lesser            Obturator                    L3, L4 if present                                hip. Lat

                                                                                                                                                                   rotator

Adductor Longus    Front of pubis between   Linea aspera, post    Obturator L2, L3, L4   Profunda      Adduction

                                Pubic tubercle-pub syn    shaft 1/3 femur                                             Femoris                  

Adductor Brevis      Inf. Ramus of pubis        Linea aspera between  Obturator L2, L3, L4   Profunda   Adduction

                                Pectineus & longus                                                                                  Femorus

Adductor Magnus    Ramus of pubis &        Adductor tubercle of     Obturator N L2, L3, L4   Profunda   Add + Flexion

                                 Ischial tuberosity          femur & linea aspera      Tibial of sciatic L4, L5

ANTERIOR MEDIAL OR ANTERIOR FEMORAL MUSCLES

Externus                Obturator membrane +     Inter Trochanteric          Obturator                     Femoral A    Add + Lat

Obturator               ass Obturator foramen     fossae, post side femur                                                         rotator

Sartorius                ASIS (passes two            upper part of med          Femoral N                                     Flex leg at

(Longest Muscle   Joints) surf of tibia into pes                                      L2-L3                                       thigh, hip, lat

In the body)           Anserine                                                                                                                           rotator if

                                                                                                                                                                        flexed

THE QUADRICEPS FEMORIS GROUP:  

Rectus Femoris    Straight head. All of spine     Patellar light                   Femoral L2,L3,L4                        Flex at hip

                             Reflected above                    at Tibial tuberosity                                                             extend at

                                                                                                                                                                     knee

                             Acetabulum post oscoxe

Vastus Lateralis  Greater Trochanter to 1^st       Patellar lig at                  Femoral L2, L3, L4                     Extend

                                                                                                                                                                    Knee

Vastus Medialis   Medial lip of linea aspera        Patellar lig at                  Femoral L2, L3,L4                      Extend

                                                                                                                                                                     Knee

Vastus Intra-       Ant & lat shaft of femur          Patellar lig + Tibial          Femoral L2, L3,L4                      Extend

                                                                                                                                                                     Knee

Medius                + lat to linea aspera

Articularis Genus Ant. Lower surf. Femur        Upper part of                   Femoral L2, L3, L4                    Pulls up

                                                                                                                                                                     Synovial

                                                                                                                                                                    membrane 

                                                                                                                                                                   or capsule                                                                                                                    of knee

                                                                                                                                                                   joint during

                                                                                                                                                                   Knee ext.

Pectineus               Pecten pubis 1^st surf          Post. Med. Aspect            Femoral L2, L3,                      Add &

                                                                                                                                                                  Flexor of

                                                                                                                                                                  the knee. 

It must be noted that the Patella bone grows inside the Quadriceps tendon and it changes to the Patella ligament as part of the Quadriceps tendon.

by Dr. Scott D. Neff, DC DABCO CFE DABFE FFABS FFAAJTS 09-30-2004