Muscles origin/insertion

Tibialis Anterior

O: Lateral Condyle and Proximal shaft of Tibia

I: Metatarsal 1 & Medial Cuneiform

A: dorsiflex & invert foot

Extensor Digitorum Longus

O: Anterior fibula and lateral condyle of tibia

I: Phalange 2-5

A: Dorsiflex foot and extend digits 2-5

Fibularis Longus

O: Head & Proximal 2/3 shaft of fibula

I: Metatarsal 1 & Medial Cuneiform 

A: Evert & Plantarflex foot

Fibularis Brevis

O: Mid-lateral shaft of fibula

I: Metatarsal 5

A: Evert & Plantarflex foot

Gastrocnemius

O: Posterior medial & lateral condyle of femur

I: calcaneus via calcaneal tendon

A: plantarflex foot and flex leg

Soleus

O: head and proximal shaft of fibula; posterior tibia

I: Calcaneus via calcaneal tendon

A: plantarflex foot

Sartorius

O: anterior superior iliac spine

I: medial side of tibial tuberosity

A: flex and laterally rotate thigh

Gracilis

O: Pubis Bone

I: proximal, medial tibia

A: adduct and flex thigh

Adductor Brevis

O: Pubis Bone

I: proximal 1/3 linea aspera

A: adduct and flex thigh 

Adductor Longus

O: Pubis Bone

I: Linea Aspera

A: adduct and flex thigh

Adductor Magnus

O: Pubis Bone

I: linea aspera and adductor tubercle

A: adduct and flex thigh

Pectineus

O: Pubis Bone

I: pectineal line

A: adduct and flex thigh 

Iliopsoas

O: transverse process & bodies of T12-L5 & iliac fossa

I: lesser trochanter

A: flex thigh

Gluteus Maximus

O: Iliac crest, sacrum, coccyx

I: linea aspera, gluteal tuberosity, iliotibial band

A: extend and laterally rotate thigh 

Tensor Fasciae Latae

Anterior Iliac crest & anterior superior iliac spine

I: lateral condyle of tibia via iliotibial band

A: abduct and medially rotate thigh

Rectus Femoris

O: Anterior inferior iliac spine

I: tibial tubersoity via patellar tendon/ligament

A: extend leg and flex thigh 

Vastus lateralis

O: Greater trochanter

I: tibial tuberosity via patellar tendon/ligament

A: extend leg

Vastus Medialis

O: intertrochlear line

I: tibial tuberosity via patellar tendon/ligament

A: extend leg

Vastus intermedius

O: anterior, proximal femur
I: tibial tuberosity via patellar tendon/ligament

A: extend leg

Semitendenosus

O: ischial tuberosity

I: proximal medial tibia

A: flex leg and extend thigh 

Semimembranosus

O: ischial tuberosity

I: Posterior medial tibial condyle

A: flex leg and extend thigh 

Biceps Femoris

O: ischail tuberosity (long head); linea aspera (short head)
I: fibular head

A: flex leg (both heads) extend thigh(long head only)

Gluteus Medius

O: lateral posterior surface of iliac
I: greater trochanter

A: abduct and medially rotate thigh

Gluteus Minimus

O: lateral posterior surface of iliac

I: greater trochanter

A: abduct and medially rotate thigh

Pronator Teres 

O: medial epicondyle of humerus & coronoid process of ulna

I: lateral radial surface

A: pronate forearm