1
Quads
A:
VI, VL, and VM: Knee Extension
Rectus Femoris: Knee Extension + Hip flexion
O:
VI: Anterior Lateral Surface of Femoral Shaft
VL: Lateral Linea Aspera, Gluteal Tuberosity, and Great Trochanter
VM: Medial Lip Linea Aspera
Rec Fem: Anterior Inferior Iliac Spine
I: Tibial Tuberosity
N: Femoral Nerve
TFL
A: Hip Flexion, Hip IR, Hip Abd
O: Iliac Crest, behind ASIS
I: It Tract
N: Superior Gluteal
Bicep Femoris
A: Knee Flexion, Hip Ext, Posterior Pelvic Tilt, Flexed Knee ER, Hip ER
O: Ischial Tuberosity, Lateral Lip Linea Aspera
I: Fibular Head
N: Sciatic
Plantaris
A: Knee Flex, Plantarflex
O: Lateral Supracondylar Line of Femur
I: Calcaneus
N: Tibial
Gracilis
A: Hip Add, Hip IR, Knee Flex, Flexed Knee IR
O: Inferior Ramus of Pubis
I: Pes Anserine
N: Obturator
Adductor Magnus
A: Hip Add, Hip IR, Hip Flex, Hip ER, Hip Ext
O: Ischial Tuberosity, Inferior Ramus of Pubis, Ramus of Ischium
I: Medial Lip Linea Aspera, Adductor Tubercle
N: Obturator + Sciatic
Adductor Longus/Brevis
A: Hip Add, Hip IR, Hip Flex
O: Pubic Tubercle (Longus), Inferior Ramus of Pubis (Brevis)
I: Medial Lip Linea Apsera
N: Obturator
Sartorius
A: Hip Flexion, Hip ER, Hip Abd, Knee Flex, Flexed Knee IR
O: ASIS
I: Pes Anserine
N: Femoral
Semitendinosus/Semimembranosus
A: Knee Flex, Flexed Knee IR, Hip IR, Hip Ext, Posterior Pelvic Tilt
O: Ischial Tuberosity
I: Pes Anserine (Tendi), Posterior Medial Tibial Condyle
N: Sciatic
Popliteus
A: Knee Flex, Knee IR
O: Lateral Femoral Condyle
I: Proximal Posterior Surface of Tibia
N: Tibial
Piriformis
A: Hip ER, Hip Add
O: Anterior Surface Sacrum
I: Superior Aspect of Greater Trochanter
N: Sacral Plexus
Soleus
A: Plantar Flex
O: Posterior Fibular Head + Soleal Line on Tibia
I: Calcaneus
N: Tibial
Peronal Longus
A: Plantarflex, Foot Eversion
O: Proximal 2/3rd Fibula
I: Medial Cuneiform, Base of 1st Metatarsal
N: Superficial Peroneal
Gastroc
A: Knee Flex, Plantar Flex
O: Bilateral Femoral Condyles
I: Calcaneus
N: Tibial
Iliopsoas
A: Hip Flexion, Hip ER, Trunk Flexion, Anterior Pelvic Tilt, Lateral Trunk Flexion (Psoas only)
O: TH 12 - L5 (Psoas), Iliac Fossa (Iliacus)
I: Lesser Trochanter
N: Lumbar Plexus (Psoas), Femoral (Iliacus)
Peroneal Brevis
A: Plantarflex, Foot Eversion
O: Distal 2/3rd Fibula
I: Fifth Metatarsal Tuberosity
N: Superficial Peroneal
Tibialis Posterior
A: Plantarflex, Inversion
O: Posterior Shaft of Tibia + Fibula, Interosseus Membrane
I: 2nd - 4th Base of Metatarsal + All Tarsal
N: Tibial
Flexor Hallucis
A: Plantarflex, Flex Big Toe, Inversion
O: Posterior Middle Fibular Shaft
I: Distal Big Toe Phalanx
N: Tibial
Flexor Digitorum
A: Plantarflex, Inversion, Flex Toes 2-5
O: Middle Posterior Surface of Tibia
I: Distal Phalanges 2-5
N: Tibial
Extensor Hallucis
A: Dorsiflex, Inversion, Extend Big Toe
O: Middle Anterior Fibular Shaft
I: Distal Big Toe Phalanx
N: Deep Peroneal
Glute Max
A: Hip Abd, Hip Add, Hip Ext, Hip ER
O: Edge of Sacrum, Coccyx, Posterior Iliac Crest, Sacrotuberous and Sacroiliac Ligaments
I: Gluteal Tuberosity, IT Band
N: Inferior Gluteal Nerve
Glute Min
A: Hip Flex, Hip IR, Hip Abd
O: Anterior and Superior Gluteal Lines
I: Anterior Aspect of Greater Trochanter
N: Superior Gluteal Nerve
Extensor Digitorum
A: Dorsiflex, Eversion, Extend Toes 2-5
O: Interosseus Membrane, Lateral Tibial Condyle, Proximal Anterior Fibular Shaft
I: Middle, Distal 2-5 Phalanx
N: Deep Peroneal
Tibialis Anterior
A: Dorsiflex, Foot Inversion
O: Lateral Tibial Condyle, Lateral Tibial Surface, Interosseus Membrane
I: Medial Cuneiform, Base of 1st Metatarsal
N: Deep Peroneal
Glute Med
A: Hip ER, Hip IR, Hip Ext, Hip Flex, Hip Abd
O: Anterior and Posterior Gluteal Lines
I: Lateral Aspect Greater Trochanter
N: Superior Gluteal Nerve