kinesis ch 9 knee joint

the 3 ______ ______ of the quadriceps originate on the proximal femur and inset along w the rectus femoris on the superior pole of the patella

vasti muscles

actions of the popliteus muscle?

-flexion of the knee -internal rotation of the knee as it flexes

muscles of the quadriceps group?

-vastus intermedius -vastus lateralis -vastus medialis -rectus femoris

The popliteus muscle is the only true flexor of the leg at the knee. it is...

-vital in providing posterolateral stability to the knee -assists the medial hamstrings in internal rotation of the leg at the knee -crucial in internally rotating the knee to unlock it from the full extension position

the angle formed by the intersection of the central line of pull for the entire quadriceps and the line of pull at the patellar tendon that runs from the center of the patella to the center of the tibial tuberosity is referred to as the ____ ____

Q angle

the knee joint moves between flexion and extension w out side to side movement into _____ or _____

abduction; adduction

point of origin of the rectus femoris muscle?

anterior inferior iliac spine of the ilium and superior margin of acetabulum

the pes anserinus attaches to the ..

anteromedial aspect of the proximal tibia below the level of tibial tuberosity

The _____ nerve innervates the knee extensors—rectus femoris, vastus medialis, vastus intermedius, and vastus lateralis.

femoral

the vests lateralis muscle, along w other vast muscles, functions w the rectus femoris in ____ _____ , while the hip is being flexed

knee extension

the sartorius, gracilis and semitendinosus all join together distally to form a tendinous expansion known as the ____ _____

pes anserinus

stretching of the _____ muscle is done through passive full knee extension w out flexing the hip

popliteus

the quadriceps muscles attach to the patella and by the patellar tendon to the tuberosity of the ..

tibia

the ____ _____ is important in maintaining patellofemoral stability because of the oblique attachment of its distal fibers to the superior medial patella

vastus medialis

the ______ _____ is strengthened by squats, knee extensions and leg presses and stretched by full knee flexion, which stretches all of the quad muscles

vastus medialis