Post-lat muscles

Question 1

Popliteus- O, I, IN, A

Answer 1

O- Lat femoral condyle, fibrous capsule of knee, lat meniscus

I- Post, prox surface of tibia (sup to soleal line)

IN- Tibial n. (l4,5,s1)

A- Flexes knee j, rotates femur lat, pulls lat meniscus post

Question 2

Flexor hallucis longus- O, I, IN, A

Answer 2

O- post surface shaft of fib (dis 2/3), inf innerouses membrane

I- distal phalanx of hallux , base

IN- Tibial nerve (s2,3)

A- plantarflexes, flexes hallux, supports longitudinal arch

Question 3

Flexor digitorum longus- O, I, IN, A

Answer 3

O- post surface of shaft of tibia (bellow solar line)

I- Plantar surfaces of the bases of distal phalanges of 4 lat toes

IN- tibial nerve (s2,3)

A- plantar flexes, flexes interphalangeal joints of 4 lat toes

Question 4

Tibialis post- O, I, IN, A

Answer 4

O- interosseous membrane (prox 2/3), shaft of tibia (below solar line), prox 2/3 of prox posteromedial fibular shaft

I- Navicular tuberosity, all cuniforms, bases of 2-4 metatarsals

In- Tibial n (l4,5)

A- plantar flexes, supinates foot

Question 5

Fibularis longus- O, I, IN, A

Answer 5

O- fibular head, shaft lat prox 2/3

I- lat sides of base of 1st metatarsal bone, medial uniform

IN- superficial fibular nerve

A-everts foot, flexes foot, supports longitudinal arch

Question 6

Fibularis brevis- O, I, IN, A

Answer 6

O- fibular shart, lat surface prox 2/4

I- lat side of base of 5th metatarsal

In- superficial fibular (5,s1,s2)

A- Everts foot supports longitudinal arch, flexes foot

Question 7

Gastrocnemius (lateral head)- O, I, IN, A

Answer 7

O- lat femoral condyle, lat supracondyler line, fibrous capsul of knee j.

I- calcaneal tuberosity via achilles tendon

IN- Tibial n (s1,2)

A- flexes knee and ankle joint

Question 8

Gastrocnemius (medial head)- O, I, IN, A

Answer 8

O- medial femoral condyle, popliteal aspect of femur, fibrous capsul of knee j

I- calcaneal tuberosity via achilles tendon

IN- tibial n (s1,2)

A- flexes knee and ankle j

Question 9

Soleus- O, I, IN, A

Answer 9

O- soleal line of tibia, medial border of tibia (middle), fibular shaft (prox) and head

I- Calcaneal tuberosity via achlles tendon

IN- Tibial n (s1,s2)

A- postural function, flexes ankle (w bent knee)

Question 10

Plantaris- O, I, IN, A

Answer 10

O- Lat supracondylar line

I- Calcaneal tendon

IN- Tibial n (s1,2)

A- Proprioceptive