Knee and Thigh Flashcards
Rectus Femoris
Origin: Anterior Inferior Iliac Spine
Insertion: Tibial Tuberosity
Function: Flexes Hip, Extend Knee
Vastus Lateralis
Origin: Lateral Aspect of line aspera, greater trochanter
Insertion: Tibial Tuberosity
Function: Extend Knee
Vastus Intermedius
Origin: Anterior Shaft of Femur
Insertion: Tibial Tuberosity
Function: Extend Knee
Vastus Medialis
Origin: Medial Aspect of line aspera
Insertion: Tibial Tuberosity
Function: Extend Knee
Biceps Femoris
Origin: Ischial tuberosity, Linea aspera
Insertion: Head of fibula
Function: Extend Hip, Flex Knee and Externally Rotates flexed knee (SM)
Semimembranosus
Origin: Ischial tuberosity
Insertion: posterior aspect of medial tibial condyle
Function: Extend Hip, Flex Knee, and Internal Rotation of Knee
Semitendinosus
Origin: Ischial tuberosity
Insertion: below medial condyle of tibia
Function: Extend Hip, Flex Knee, and Internal Rotation of Knee
Quadriceps Femoris Group
Rectus Femoris
Vastus Lateralis
Vastus Intermedius
Vastus Medialis
Hamstring Muscle Group
Biceps Femoris
Semitendinosus
Semimembranosus
Flexion of Hip (agonist & antagonistic pairs)
Agonist:
Rectus Femoris
Antagonist:
Biceps Femoris
Semitendinosus
Semimembranosus
Extension of Hip (agonist & antagonistic pairs)
Agonist:
Biceps Femoris
Semitendinosus
Semimembranosus
Antagonist:
Rectus Femoris
Flexion of Knee (agonist & antagonistic pairs)
Agonist:
Biceps Femoris
Semitendinosus
Semimembranosus
Antagonist: Rectus Femoris Vastus Intermedius Vastus Lateralis Vastus Medialis
Extension of Knee (agonist & antagonistic pairs)
Agonist: Rectus Femoris Vastus Intermedius Vastus Lateralis Vastus Medialis
Antagonist:
Biceps Femoris
Semitendinosus
Semimembranosus
Internal Rotation of Knee (agonist & antagonistic pairs)
Agonist:
Semitendinosus
Semimembranosus
Antagonist:
Biceps Femoris
External Rotation of Knee (agonist & antagonistic pairs)
Agonist:
Biceps Femoris
Antagonist:
Semitendinosus
Semimembranosus
