-
Gluteus Maximus
- Action- Extends and rotates thigh laterally
- Origin- Ilium, posterior surface of Sacrum, and Coccyx
- Insertion- Gluteal Tuberosity of Femur
-
Gracilis
- Action- Adducts thigh; flexes and rotates leg inward at the knee
- Origin- Symphysis Pubis
- Insertion- Tibia
-
Sartorius
- Action- Flexes legs and thigh, abducts thigh, rotates thigh laterally, and rotates leg medially
- Origin- Ilium
- Insertion- Medial surface of Tibial Tuberosity
-
Adductor Longus
- Action- Adduction, flexion, and medial rotation at hip
- Origin- Inferior ramus of Pubis
- Insertion- Linea Aspera of Femur
-
Adductor Magnus
- Action- Adducion at hip, flexion and medial rotation, extension and lateral rotation
- Origin- Inferior ramus of Pubis; Ischial Tuberosity
- Insertion- Linea aspera of Femur and adductor tubercule (Femur)
-
Tensor Fasciae Latae
- Action- Abducts thigh
- Origin- Ilium and Iliac Crest
- Insertion- Tibia, by Iliotibial tract
-
Quadriceps Femoris
- 1. Rectus Femoris
- 2. Vastus Lateralis
- 3. Vastus Medialis
- 4. Vastus Intermedius
-
Rectus Femoris
- Action- Extends leg at knee
- Origin- Ilium
- Insertion- Patellar tendon to Tibial Tuberosity of Tibia
-
Vastus Lateralis
- Action- Extends leg at knee
- Origin- Greater Trochanter, Linea Aspera of Femur
- Insertion- Patellar tendon to Tibial Tuberosity of Tibia
-
Vastus Medialis
- Action- Extends leg at knee
- Origin- Linea Aspera of Femur
- Insertion- Patellar tendon to Tibial Tuberosity of Tibia
-
Vastus Intermedius
- Action- Extends leg at knee
- Anterior and lateral surfaces of Femur
- Insertion- Patellar tendon to Tibial Tuberosity of Tibia
-
Biceps Femoris
- Action- Flexes leg at knee and extends thigh
- Origin- Ischial Tuberosity of Ischium and Linea Aspera of Femur
- Insertion- Fibula and Tibia
-
Semitendinosus
- Action- Flexes leg at knee and extends thigh
- Origin- Ischial Tuberosity
- Insertion- Tibia
-
Semimembranosus
- Action- Flexion at knee, extension and medial rotation at hip
- Origin- Ischial Tuberosity
- Insertion- Posterior, medial condyle of Tibia
-
Hamstrings
- 1. Biceps Femoris
- 2. Semitendinosus
- 3. Semimembranosus
-
Gastrocnemius
- Action- Plantar flexes foot (extends foot); flexes knee
- Origin- Femur
- Insertion- Calcaneus
-
Soleus
- Action- Plantar flexes foot (extends foot)
- Origin- Fibula and Tibia
- Insertion- Calcaneus
-
Tibialis Anterior
- Action- Dorsiflexion and inversion of foot
- Origin- Tibia
- Insertion- Tarsal and first metatarsal bones
-
Extensor Digitorum Longus
- Action- Extends toes; Dorsiflexes foot
- Origin- Tibia and Fibula
- Insertion- Phalanges (2-5)
-
Fibularis Longus (Peroneus Longus)
- Action- Plantar flexes and everts foot
- Origin- Fibula (and Tibia)
- Insertion- First metatarsal, medial cuneiform
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