Knee Muscles Flashcards
1
Q
Anterior Muscles of the Knee
The Quadriceps Group
A
- Rectus Femoris
- Vastus Lateralis
- Vastus Intermedius
- Vastus Medialus
2
Q
Posterior Muscles of the Knee Joints
A
Hamstrings Sartorius Gracilis Popliteus Gastrocnemius
3
Q
Sartorius
A
•Longest muscle in the body •Two joint muscle -Hip -Knee •Line of pull is POSTERIOR to the knee •Aids in FLEXION of the knee •inward rotation when the knee is flexed and is not bearing weight
4
Q
Gracilis
A
•Biarticular
-Hip
-Knee
•action at the knee joint is flexion
5
Q
Popliteus
A
- Rotates the Tibia
* Help flex the knee
6
Q
Gastrocnemius
A
•Biarticular muscle
–Ankle: primarily a muscle of the ankle
–Knee: helps FLEX the knee when the leg is not bearing weight
7
Q
Sartorius
A
•Longest muscle in the body •Two joint muscles: -Hip -Knee •Line of pull is posterior •Aids in flexion of the knee •Inward rotation when the knee is flexed and is not bearing weight
