Muscles: Lower Limb Flashcards
(38 cards)
Fibularis Longus:
-Origin, Insertion and Action
Origin: Lateral surface of the fibula
Insertion: Medial cuneiform and the base of the first metatarsal bone
Action: Plantar flexion
Fibulas Brevis:
-Origin, Insertion and Action
Origin: Lateral surface of the fibula
Insertion: At the base of the 5th metatarsal
Action: Plantar Flexion
Gastrocnemius:
-Origin, Insertion and Action
Origin: Lateral condyle of the femur
Insertion: Posterior surface of the calcaneous
Action: Plantar flexion and inversion of the ankle
Popliteus:
-Origin, Insertion and Action:
Origin: Lateral condyle of the femur
Insertion: Posterior surface of the tibia, above the soleal line
Action: Assists in rotation and flexion (passes over the knee pit)
Tensor Fascaie Latae:
-Origin, Insertion and Action
Origin: Anterior Superior Iliac Spine (ASIS)
Insertion: Iliotibial tract
Origin: Knee extension/ support and lateral rotation of the hip
Sartorius:
-Origin, Insertion and Action
Origin: Anterior Superior Iliac Spine (ASIS)
Insertion: Medial surface of the tibia
Action: Assists in Knee Flexion, as well as flexion, abduction and lateral rotation of the hip
Rectus Femoris:
-Origin, Insertion and Action
Origin: Anterior Inferior Iliac Spine
Insertion: Patella and Tibial Tuberosity
Action: Knee Extension
Iliacus:
-Origin, Insertion and Action
Origin: Iliac fossa and Iliac crest–ala of the sacrum
Insertion: Lesser trochanter of the femur
Action: Flexion of the hip
Psoas Major:
-Origin, Insertion and Acton
Origin: Bodies and transverse processes of the lumbar vertebrae
Insertion: Lesser trochanter of the femur
Action: Flexion of the hip
Obturator Internus:
-Origin, Insertion and Acton
Origin: Inner surface of the obturator membrane and pubic/ iliac borders
Insertion: Greater trochanter of the femur
Action: Lateral rotation of the hip
Superior Gemellus:
-Origin, Insertion and Action:
Origin: Internal surface of the obturator membrane and margin of the obturator foramen
Insertion: Greater trochanter of the femur
Action: Lateral rotation of the hip
Inferior Gemellus:
-Origin, Insertion and Action
Origin: Ischial tuberosity
Insertion: Greater trochanter of the femur
Action: Lateral rotation of the hip
Piriformis:
-Origin, Insertion and Action
Origin: Anterior Surface of the Sacrum
Insertion: Greater trochanter of the femur
Action: Lateral rotation of the hip
Gluteus Medius:
-Origin, Insertion and Action
Origin: Ilium, between the posterior and anterior gluteal lines
Insertion: Greater trochanter of the femur
Action: Abduction and medial rotation of the hip
Gluteus Minimus:
-Origin, Insertion and Action
Origin: Ilium between the anterior and inferior gluteal lines
Insertion: Greater trochanter of the femur
Action: Abduction and medial rotation of the hip
Vastus Lateralis:
-Origin, Insertion and Action
Origin: Lateral lip of the lines aspera and the gluteal tuberosity
Insertion: Tibial tuberosity
Action: Knee Extension
Vastus Intermedius:
-Origin, Insertion and Action
Origin: Anterior and Lateral surface of the femur
Insertion: Tibial tuberosity
Action: Knee Extension
Vastus Medialis:
-Origin, Insertion and Action
Origin: Medial inter muscular septum and medial lip of the linea aspera
Insertion: Tibial Tuberosity
Action: Knee Extension
Adductor Magnus:
-Origin, Insertion and Action
Origin: Ischiopubic ramus and ischial tuberosity
Insertion: Linea aspera of the femur
Action: Adduction of the leg
Adductor Longus:
-Origin, Insertion and Action
Origin: Medial portion of the superior pubic ramus
Insertion: Linea aspera of the femur
Action: Adduction of the leg
Adductor Brevis:
-Origin, Insertion and Action
Origin: Inferior pubic ramus
Insertion: Linea aspera of the femur
Action: Adduction of the leg
Soleus:
Origin, Insertion and Action
Origin: Head and upper shaft of the fibula and soleal line of the tibia
Insertion: Posterior surface of the calcaneous
Action: Plantar Flexion
Plantaris:
-Origin, Insertion and Action
Origin: Above the lateral femoral condyle
Insertion: Posterior surface of the calcaneous
Action: Plantar flexion and inversion of the ankle
Gluteus Maximus:
-Action
Action: Extension and lateral rotation of the hip
