Muscle # on little torso # on leg Origin Insertion Action model model Hamstring: 120 18 long head: ischial tuberosity head of fibula, lateral condyle of Collective action (Hamstrings): flex Biceps short head: linea aspera of femur tibia lower leg, extends thigh femoris Hamstring: 118 16 ischial tuberosity tibia Collective action (Hamstrings): flex Semitendinosus lower leg, extends thigh Hamstring: 119 17 ischial tuberosity medial condyle of tibia Collective action (Hamstrings): flex Semimembranosus lower leg, extends thigh Quadriceps 110 anterior inferior iliac spine, patella, tibial tuberosity collective action (quadriceps): Femoris: 11a superior rim of acetabulum extension of lower leg. Rectus Independently flexes femur femoris Quadriceps 112 11c linea aspera lateral condyle of tibia, iliotibial collective action (quadriceps): Femoris: tract extension of lower leg Vastus lateralis Quadriceps 113 11b linea aspera patella collective action (quadriceps): Femoris: Vastus extension of lower leg medialis Quadriceps 111 11d anterior and lateral surface of femur patella collective action (quadriceps): Femoris: Vastus extension of lower leg intermedius 109 10 anterior superior iliac spine medial surface of tibia flex and medially rotate thigh Sartorius 116 15 pubic bone medial surface of tibia adducts, flexes, rotates thigh Gracilis medially
Muscle # on little torso model # on leg model Origin Insertion Action Hamstring: Biceps femoris 120 18 long head: ischial tuberosity short head: linea aspera of femur head of fibula, lateral condyle of tibia Collective action (Hamstrings): flex lower leg, extends thigh Hamstring: Semitendinosus 118 16 ischial tuberosity tibia Collective action (Hamstrings): flex lower leg, extends thigh Hamstring: Semimembranosus 119 17 ischial tuberosity medial condyle of tibia Collective action (Hamstrings): flex lower leg, extends thigh Quadriceps Femoris: Rectus femoris 110 11a anterior inferior iliac spine, superior rim of acetabulum patella, tibial tuberosity collective action (quadriceps): extension of lower leg. Independently flexes femur Quadriceps Femoris: Vastus lateralis 112 11c linea aspera lateral condyle of tibia, iliotibial tract collective action (quadriceps): extension of lower leg Quadriceps Femoris: Vastus medialis 113 11b linea aspera patella collective action (quadriceps): extension of lower leg Quadriceps Femoris: Vastus intermedius 111 11d anterior and lateral surface of femur patella collective action (quadriceps): extension of lower leg Sartorius 109 10 anterior superior iliac spine medial surface of tibia flex and medially rotate thigh Gracilis 116 15 pubic bone medial surface of tibia adducts, flexes, rotates thigh medially
TAHS%20LCCC%20BIO%20163.docx