In: Anatomy and Physiology
actions of these muscles.
Muscle origin insertion action
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 Rectus femoris (one of quadriceps muscles)  | 
 anterior inferior iliac spine and superior margin of acetabulum  | 
 patella and tibial tuberosity via patellar ligament  | 
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 Gluteus maximus  | 
 dorsal ilium, sacrum and coccyx  | 
 gluteal tuberosity of femur  | 
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 Semimembranosus  | 
 ischial tuberosity  | 
 medial condyle of tibia; via ligament to lateral condyle of femur  | 
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 Semimembranosus  | 
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 Biceps Femoris and Brachailis  | 
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 Brachioradialis Gracilis  | 
 inferior ramus and body of pubis  | 
 medial surface of tibia, just inferior to medial condyle  | 
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 Popliteus  | 
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 Tensor fascia latae  | 
 anterior aspect of iliac crest and anterior superior iliac spine  | 
 iliotibial tract  | 
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 Sartorius  | 
 anterior superior iliac spine  | 
 medial aspect of proximal tibia  | 
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 Tibealis anterior  | 
 lateral condyle and upper 2/3 of tibia shaft  | 
 inferior surface of medial cuneiform and 1st metatarsal bone  | 
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 Gastrocnemius  | 
 two heads from medial and lateral condyles of femur  | 
 posterior calcaneous via calcaneal tendon  | 
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 Soleus  | 
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 Tibialis posterior  | 
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 Name all of the Fibularis muscle  | 
| MUSCLE NAME | ORIGIN | INSERTION | ACTION | ||||
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 Rectus femoris (one of quadriceps muscles)  | 
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KNEE EXTENSION AND HIP FLEXION | ||||
| GLUTEUS MAXIMUS | dorsal ilium, sacrum and coccyx | GLUTEAL TUBEROSITY OF FEMUR | External rotation and extension of the hip joint, supports the extended knee through the iliotibial tract, chief antigravity muscle in sitting and abduction of the hip | ||||
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 Semimembranosus BICEP FEMORIS AND BRACHAILIS BRACHIORADIALIS GRACIALIS  | 
 inferior ramus and body of pubis  | 
 MEDIALSURFACE OF TIBIA JUST INFERIOR TO MEDIAL CONDYLE  | 
 flexes knee joint, laterally rotates knee joint (when knee is flexed), extends hip joint (long head only)  | 
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 Popliteus TENSOR FASCIA LATAE  | 
 anterior aspect of iliac crest and anterior superior iliac spine  | 
 ILIOTABIAL TRACT  | 
 Hip - flexion, medial rotation, abduction, knee - lateral rotation,  | 
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 SARTORIUS  | 
anterior superior iliac spine | MEDIAL ASPECT OF PROXIMAL TIBIA | Flexion, abduction, and lateral rotation of the hip, flexion of the knee | ||||
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 TIBEALIS ANTERIOR  | 
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 inferior surface of medial cuneiform and 1st metatarsal bone  | 
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 Gastrocnemius  | 
Two head from medial and lateral condyles of the femur | posterior calcaneus via calcaneal tendon | 
 plantar flexes foot flexes knee  | 
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| SOLEUS TIBIALIS | fibula, medial border of tibia | tendo calcaneus | PLANTAR FLEXION | ||||
| FIBULARIS MUSCLE | |||||||
| FIBULARIS LONGUS | 
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FIRST METATARSAL LATERAL CUNEIFORM | 
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| FIBULARIS BREVIS | Lower two-thirds of lateral fibula | FIFTH META TARSAL | PLANTAR FLEXION AND EVERSION | ||||
| FIBULARIS TERTIUS | distal anterior surface of the fibula also the interosseous membrane | DORSAL SURFACE OF META TARSAL 5 | dorsiflexion and eversion of the foot |