LEVEL I MUSCLE CHART Use this chart as a guide for ... - Kinetacore

ThighVastus Lateralis Extension of knee L2-4 Upper half of intertrochanteric line, ant andinf borders of greater trochanter and laterallip of greater trochanter and glutealtuberosity, upper half of linea aspera toQuad. fem. tendon.VastusIntermediusExtension of knee L2-4 Ant. and Lat surface of proximal 2/3rds offemoral shaft to Quad. fem. tendon.Vastus MedialisStabilizes patella andextends kneeL2-4 Attaches to spiral line on postero-medialaspect of upper part of femoral shaft, med.lip of linea aspera and medial supracondylarline and tendon of add magnus toaponeurosis of patella/Quad. fem. tendon.Rectus FemorisFlexes hip joint,clears capsule of hipand extends knee.L2-4 Straight tendon to capsule of anterior hipand groove of upper acetabulum andattaches to Quad. fem. tendon.SartoriusWeak flexor, lat.rotator and abductionof hipL2 and L3ASIS to upper part of the medial surface ofthe tibial shaft in front of tendon of gracilisand semitendinosusGracilisKnee flexion andmedial rotation of hipand weak adductorL2 and L3Ant. surface of body of pubis to upper partof medial surface of tibial shaftAdductorLongusAdduction/medialrotation of hip andflexion of ext. hipL2-4 Body of pubis to medial lip of linea aspera.AdductorMagnusExtends and mediallyrotates hipL4 and L5Lateral surface of the conjoined tendonischiopubic ramus and infero-lateral aspectof ischial tuberosity to gluteal tuberosity andlinea aspera of femur.SemimembranosusExtension of hip andflexion of kneeL5-S2Supero-lateral aspect of ischial tuberosity toposteromedial surface of medial tibialcondyle.SemitendinosusExtension of hip andflexion of kneeL5-S2Supero-medial part of ischial tuberosity withbiceps long head to upper part of the medialsurface of the tibial shaft.Biceps FemorisExtension of hip andflexion of kneeL5-S1primary andSuperomedial aspect of ischial tuberosity forlong head. Short head: lateral lip of linea