Muscles for Knee joint movement Flashcards
Biceps femoris
O - (LH) ischial tuberosity (SH) linea aspera, lateral supracondylar line, distal femur
I - head of fibula and lateral condyle of tibia
A - extends thigh and flexes knee
Semitendinosus
O - ischial tuberosity
I - medial tibial condyle
A - extends thigh and flexes knee
Semimembranosus
O - ischium
I - medial tibial condyle
A - flexes knee, rotates knee internally, extends hip
Sartorius
O - ilium
I - proximal tibia
A - flexes thigh
Rectus femoris
O - iliac crest
I- patellar tendon
A - knee extension and hip flexion
Vastus lateralis
O - Greater trochanter, intertrochanteric line
I - patellar tendon
A - knee extension
Vastus intermedius
O - femur
I - patellar tendon
A - knee extension
Vastus medialis
O - intertrochanteric and medial supracondylar lines
I - patellar tendon
A- knee extension
