ANAT LAB LE Muscle chart (Action, innervation, origin, insertion)

Gluteal Maximus

Action:

Insertion:

Innervation:

Action: Extends, laterally rotates, and abducts hip

Insertion: gluteal tuberosity of femur

Innervation: inferior gluteal nerve

Gluteal medius & Gluteal Minimus

Action:

Insertion:

Innervation:

Action: Abducts and medially rotates hip

Insertion: greater trochanter of femur

Innervation: superior gluteal nerve

Piriformis

Action:

Action: Laterally rotates hip

Biceos femoris long head

Origin:

Action:

Insertion:

Innervation:

Origin: ishical tuberiosity

Action: hip extension, flex knee, laterally rotates knee

Insertion: head of fibula

Innervation: tibial nerve

Biceps femoris short head

Origin:

Action:

Insertion:

Innervation:

Origin: linea aspera

Action: flex knee, laterally rotates knee

Insertion: head of fibula

Innervation: common fibular nerve

Semimembranosus

Origin:

Action:

Innervation:

Origin: ischial tuberosity

Action: extends hip, flex knee, medially rotates knee

Innervation: tibial nerve

Semitendinosus

Origin:

Insertion:

Action:

Innervation:

Origin: ischeal tuberosity

Insertion: pes anserine insertion

Action: extends hip, flex knee, medially rotates knee

Innervation: tibial nerve

Psoas Major & illacus

Insertion:

Action:

Insertion: lesser trochanter to form iliopsoas

Action: flex hip

Sartorius

Origin:

Insertion:

Action:

Innervation:

Origin: ASIS

Insertion: Pes Andersine insertion

Action: Hip flexion, hip abduction, hip lateral rotation

Knee flexion, knee medial rotation

Innervation: femoral

Rectus femoris

Origin:

Insertion:

Action:

Innervation:

Origin: AIIS

Insertion: (Quad) Tibial Tuberosity

Action: Hip flexion

Knee extension

Innervation: Femoral Nerve

Vastus lateralis

Origin:

Insertion:

Action:

Innervation:

Origin: Greater Trochanter

Gluteal Tuberosity

Linea aspera

Insertion: (Quad) Tibial Tuberosity

Action: Knee extension

Innervation: Femoral Nerve

Vastus intermedius

Insertion:

Action:

Innervation:

Insertion: (Quad) Tibial Tuberosity

Action: Knee extension

Innervation: Femoral Nerve

Vastus medialis

Origin:

Insertion:

Action:

Innervation:

Origin: Linea Aspera

Insertion: (Quad) Tibial Tuberosity

Action: Knee extension

Innervation: Femoral Nerve

Gracilis

Insertion:

Action:

Innervation:

Insertion: Pes Anserine Insertion

Action: Hip Adduction Hip Medial Rotation

Knee Flexion, Knee Medial Rotation

Innervation: Obturator Nerve

Adductor brevis & adductor longus

Insertion:

Action:

Innervation:

Insertion: Linea aspera of femur

Action: Hip Adduction, Hip Medial Rotation, Hip Flexion

Innervation: Obturator Nerve

Pectineus

Insertion:

Action:

Innervation:

Insertion: Pectineal Line of femur

Action: Hip Adduction, Hip Medial Rotation, Hip Flexion

Innervation: Femoral Nerve & Obturator Nerve

adductor magnus

Origin:

Insertion:

Action:

Innervation:

Origin: Inferior Ramus of pubis

Ischial Tuberosity

Insertion: Linea Aspera

Action:

ANTERIOR PART: Hip Adduction, Hip Medial Rotation, Hip _ Flexion

HAMSTRING PART: Hip Extension, Hip Lateral Rotation

Innervation:

ANTERIOR PART: Obturator Nerve

HAMSTRING PART: Tibial Nerve

tensor faciae latae

Insertion:

Action:

Innervation:

Insertion: Iliotibial Tract to Gerdys Tubercle

Action: Hip Abduction, Hip Flexion, Hip medial rotation

Innervation: Superior gluteal nerve

extensor digitorum longus

Action:

Innervation:

Action: Extends MTP, PIP, & DIP of toes 2-5

Dorsiflex ankle, everts ankle

Innervation: Deep Fibular Nerve

extensor halucis longus

Action:

Innervation:

Action: Extends MTP & IP of Hallux

Dorsiflex Ankle, Inverts Ankle

Innervation: Deep Fibular Nerve

Fibularis tertius

Action:

Innervation:

Action: Dorsiflex Ankle, Weakly Everts Ankle

Innervation: Deep Fibular Nerve

Tibialis Anterior

Action:

Innervation:

Action: Dorsiflex Ankle, Inverts Ankle

Innervation: Deep Fibular Nerve

Gastrocnemius

Insertion:

Action:

Innervation:

Insertion: Achillies tendon

Action: Knee Flexion

Ankle Plantar Flexion

Innervation: Tibial Nerve

Soleus

Insertion:

Action:

Innervation:

Insertion: Achilles tendon

Action: Ankle Plantar Flexion

Innervation: Tibal Nerve

Plantaris

Action:

Innervation:

Action: Weak Knee flexion

Weak Ankle plantar flexion

Innervation: Tibial Nerve

Flexor Digitorum Longus

Action:

Innervation:

Action: Ankle Plantar Flexion, Ankle Inversion

Toes 2-5 Flexion of MTP, PIP, DIP

Innervation: Tibial Nerve

Flexor Halliucs longus:

Action:

Innervation:

Action: Ankle Plantar Flexion, Ankle Inversion

Hallux Flexion of MTP and IP

Innervation: Tibial Nerve

Tibialis Posterior

Action:

Innervation:

Action: Ankle Plantar Flexion, Ankle Inversion

Innervation: Tibial Nerve

Popliteus

Action:

Innervation:

Action: Medially rotates Tibia to unlock Knee, Knee Flexion

Innervation: Tibial Nerve

Fibularis longus

Action:

Innervation:

Action: Ankle Eversion, Ankle Plantar Flexion

Innervation: Superficial Fibular Nerve

Fibularis Brevis

Insertion:

Action:

Innervation:

Insertion: Base of 5th Metatarsal

Action: Ankle Eversion, Ankle Plantar Flexion

Innervation: Superficial Fibular Nerve

Extensor Hallucis Brevis

Action:

Innervation:

Action: Hallux Extension of MTP joint

Innervation: Deep fibular Nerve

Extensor digitorum Brevis

Action:

Innervation:

Action: Toes 2-4 Extension of MTP & Both IP Joints

Innervation: Deep Fibular Nerve

Flexor digiti minimi brevis

Action:

Innervation:

Action: Toe 5 flexion of MTP

Innervation: Lateral Plantar Nerve

Adductor Hallucis

Action

Innervation:

Action: Adducts Hallux

Innervation: Lateral Plantar Nerve

Dorsal interossi

Action:

Innervation:

Action: Abduction of toes (MTP)

Innervation: Lateral Plantar Nerve

Plantar interossi

Action:

Innervation:

Action: Adduction of toes (MTP)

Innervation: Lateral Plantar Nerve

Abductor Digiti Minimi

Action:

Innervation:

Action: Abducts 5th toe (MTP)

Innervation: Lateral Plantar Nerve

Quadratus Plantae

Action:

Innervation:

Action: Aligns Flexor Digitorum longus tendons to

AID FLEXION OF TOES 1-5 (ALL JOINTS)

Innervation: Lateral Plantar Nerve

Flexor digitorum brevis

Action:

Innervation:

Action: Flex MTP & PIP Joints of 2-5

Innervation: Medial Plantar Nerve

Abductor hallucis

Action:

Innervation:

Action: Abducts Hallux

Innervation: Medial Plantar Nerve

flexor hallucis brevis

Action:

Innervation:

Action: Flex MTP of Hallux

Innervation: Medial Plantar Nerve

Lumbricals

Action:

Innervation:

Action: Flex MTP Joint of 2-5

Extends PIP & DIP Joints of 2-5

Innervation: 1st Medial Plantar Nerve

2-4 Lateral Plantar Nerve