LE MMT Motion --> Muscles

Question 0

What muscle(s) do Hip Flexion and Abduction and what is their innervation?

Answer 0

Tensor Fascia Lata (Sup Gluteal nerve)

FYI: also does internal rotation at the hip and aids in extension of the knee

Question 1

What muscle(s) do Hip Flexion, External Rotation, & Abduction and what is their innervation?

Answer 1

Sartorius (femoral nerve)

FYI: also aids in Flexion and medial rotation of the knee

Question 2

What muscle(s) do Hip Extension and what is their innervation?

Answer 2

Gluteus Maximus (Inferior Gluteal nerve)

FYI: also does lateral rotation of the hip

Question 3

What muscle(s) do Hip Abduction and what is their innervation?

Answer 3

Gluteus Medius & Minimus (Superior Gluteal nerve)

FYI: also do medial rotation of the hip

Question 4

What muscle(s) do Hip Internal Rotation and what is their innervation?

Answer 4

Tensor Fascia Lata (Superior Gluteal Nerve)
Gluteus Medius & Minimus (Superior Gluteal Nerve)

FYI: TFL also does Abduction & Flexion of the hip and aids in knee extension
Glut Med & Min also do Abduction of the hip

Question 5

What muscle(s) do Knee Flexion and what is their innervation?

Answer 5

Biceps Femoris (Sciatic nerve)
Semimembranous (Sciatic nerve)
Semitendinosus (Sciatic nerve)

FYI: Biceps Femoris also does lateral rotation of the knee
Semimembranous and Semirendinosus also do medial rotation

Question 6

What muscle(s) do Knee Extension and what is their innervation?

Answer 6

Rectus Femoris (Femoral nerve)
Vastus Lateralis (Femoral nerve)
Vastus Medialis (Femoral nerve)
Vastus Intermedius (Femoral nerve) 

FYI: Rectus Femoris also aids in hip Flexion

Question 7

What muscle(s) do Ankle Dorsiflexion & Subtalar Inversion and what is their innervation?

Answer 7

Tibialis Anterior (Deep Fibular nerve)

Question 8

What muscle(s) do Ankle Plantarflexion and what is their innervation?

Answer 8

Gastrocnemius (Tibial nerve)
Soleus (Tibial nerve)

FYI: Gastrocnemius can also assist with Knee Flexion

Question 9

What muscle(s) do Subtalar Inversion and what is their innervation?

Answer 9

Tibialis Posterior (Tibial nerve)

FYI: also assists in Plantarflexion

Question 10

What muscle(s) do Subtalar Eversion and what is their innervation?

Answer 10

Fibularis Longus & Brevis (Superficial Fibular nerve)

Question 11

What muscle(s) do Toe IP Flexion and what is their innervation?

Answer 11

Flexor Digitorum Longus (Tibial nerve)
Flexor Digitorum Brevis (Medial Plantar nerve)

FYI: Longus also assists with Plantarflexion and MTP Flexion of the 4 toes and Brevis also flexes MTP of the 4 toes

Question 12

What muscle(s) do Great Toe IP Flexion and what is their innervation?

Answer 12

Flexor Hallucis Longus (Tibial nerve)

FYI: also assists in Plantarflexion and Flexion of the MTP of the hallux

Question 13

What muscle(s) do Toe MCP Flexion and what is their innervation?

Answer 13

Lumbricals (Lateral plantar nerve except 1st is medial plantar nerve)
Flexor Digitorum Brevis- 4 toes (Medial plantar nerve)
Flexor Hallucis Brevis- hallux (Medial plantar nerve)

Question 14

What muscle(s) do Toe MTP Extension and what is their innervation?

Answer 14

Extensor Digitorum Longus (Deep Fibular nerve)
Extensor Digitorum Brevis- 4 toes (Deep Fibular nerve)
Extensor Hallucis Brevis- hallux (Deep Fibular nerve)

FYI: EDL also assists with Dorsiflexion & Extension of the IP of the 4 toes

Question 15

What muscle(s) do Great Toe IP Extension and what is their innervation?

Answer 15

Extensor Hallucis Longus (Deep Fibular nerve)
Extensor Hallucis Brevis (Deep Fibular nerve)

FYI: EHL also does Dorsiflexion and Extension of the MTP of the hallux

Question 16

What muscle(s) do Cervical Rotation and what is their innervation?

Answer 16

Sternoclridomastoid (Spinal accessory nerve)

Question 17

What muscle(s) do Lumbar Flexion and what is their innervation?

Answer 17

Rectus Abdominis (Lower 6 Intercostal nerves)

Question 18

What muscle(s) do Lumbar Extension and what is their innervation?

Answer 18

Erector Spinae (Dorsal Primary Ramus)
Transversospinalis (Dorsal Primary Ramus)
Interspinals (Dorsal Primary Ramus)
Intertransversarli (Dorsal Primary Ramus)

Question 19

What muscle(s) do Lumbar Rotation and what is their innervation?

Answer 19

Externus Obliquus (Lower 6 Intercostal nerves)
Internus Obliquus (Lower 6 Intercostal nerves)

Question 20

What muscle(s) do Pelvic Elevation and what is their innervation?

Answer 20

Quadratus Lumborum (T12, L1-4)

Question 21

What muscle(s) do Hip Flexion and what is their innervation?

Answer 21

Iliacus (Fermoral nerve) 
Psoas Major (L2-4)

FYI: Psoas Major also does lumbar Flexion

Question 22

What muscle(s) do Hip Adduction and what is their innervation?

Answer 22

Adductor Longus & Brevis (Obturator nerve)
Adductor Magnus (Obturator & Sciatic nerve)
Gracilis (Obturator nerve)
Pectineus (Femoral nerve)

FYI: Adductor Magnus also aids in Flexion/Extension of the hip
Gracilis also aids in Knee Flexion
Pectineus also aids in Hip Flexion

Question 23

What muscle(s) do Hip External Rotation and what is their innervation?

Answer 23

Piriformis (S1 & S2)
Obturator Externus (L4 & L5)
Obturator Internus (L5, S1, S2)
Gemellous Inferior (L4, L5, S1)
Gemellous Superior (L5, S1, S2)
Quadratus Femoris (L4, L5, S1)

Question 24

What muscle(s) do Cervical Flexion and what is their innervation?

Answer 24

Sternocleidomastoid (Spinal Accessory)
Longus Capitus (C1-3)
Longus Colli (C2-6)
Rectus Capitis Anterior (C1 & C2)
Scalenus Anterior (Ventral rami, C5 & C6)

Question 25

What muscle(s) do Cervical Extension and what is their innervation?

Answer 25

Iliocostalis Cervicis (Dorsal Primary Ramus)
Longissimus Capitis/Cervicis (Dorsal Primary Ramus)
Semispinalis Capitis/Cervicis (Dorsal Primary Ramus)
Spinalis Capitis/Cervicis (Dorsal Primary Ramus)
Splenius Capitis/Cervicis (Dorsal Primary Ramus)
Rectus Capitis Post Major/Minor (Sub-occipital)
Obliquus Capitis Superior (Sub-occipital)
Upper Trap (Spinal Accessory)