Muscles of the lower extremity: Origin Insertion action

Watch this video first:

https://www.youtube.com/watch?v=mlnq-HjWRbA&t=248s

Watch this video first:

https://www.youtube.com/watch?v=mlnq-HjWRbA&t=248s

Patrick Kelly - Lower extremity memorizing tricks

related to the big toe

hallicus

name the yellow highlighted muscle

Adductor Hallucis oblique

Origin: Adductor Hallucis oblique

Base of 2,3,4 MT's Plantar surface.

Insertion: Adductor Hallucis oblique

inferolateral aspect of 1st proximal phalanx.

Name the muscle

tibialis posterior (Tom)

origin: tibialis posterior

1. Medial shaft of fibula

2. Lateral shaft of tibia

insertion: tibialis posterior

1. Base of 2,3,4 MT

2. Base 1,2,3 cuneiform

3. Navicular tuberosity

Action: tibialis posterior

Inversion

third in order

tertius

name the yellow highlighted muscle

Peroneus Tertius

Origin: Peroneus Tertius

Distomedial 1/3 of fibular shaft.

Insertion: Peroneus Tertius

Dorsum of Base of 5th MT

Action: Peroneus Tertius

D-flexion

Eversion

ham of the knee

poples

name the yellow highlighted muscle

Popliteus

Origin: Popliteus

lateral epicondyle of femur

Origin: Popliteus

lateral epicondyle of femur

Insertion: Popliteus

surface: lateral to the suprasoleal line (pink highlighted area)

Action: Popliteus

Knee flexion

external tibial torsion

name the yellow highlighted muscle

Peroneus Brevis

Origin: Peroneus Brevis

posterolateral fibular shaft, distal 1/3

Insertion: Peroneus Brevis

5th MT tuberosity (base)

Action: Tibialis Posterior

plantar flexion

inversion

Arch support & Dynamic stability

name the yellow highlighted muscle

extensor digitorum brevis

Origin: extensor digitorum brevis

Dorsolateral calcaneus

inferior extensor retinaculum

talocalcaneal interossei

Origin: extensor digitorum brevis

Dorsolateral calcaneus

inferior extensor retinaculum

talocalcaneal interossei

Action: Adductor Hallucis oblique

Adduction 1st MTP joint

name the yellow highlighted muscle

Adductor Hallucis Transverse

mnemonic to help recall the deep to superficial muscles of the posterior compartment of the lower leg.

Tom Dick and Nervous Harry

Tom Dick and Nervous Harry represents what structures in order?

1. Tibialis posterior

2. Flexor Digitorum Longus

3. Tibial Artery

4. Tibial Nerve

5. Flexor Hallicus Longus

Insertion: extensor digitorum brevis

Base middle phalanx - 2,3,4

Extensor expansion - 2,3,4

Action: extensor digitorum brevis

toe 2,3,4 extension

name the yellow highlighted muscle

flexor hallucis

Origin: flexor hallucis brevis

1. Plantocuboid surface

2. Tibialis posterior tendon union.

Insertion: Flexor hallucis brevis

medial and lateral Base of 1st distal phalanx

Action: Flexor hallucis brevis

1st MTP flexion

Genus of the earthworm

Lumbricus

name the yellow highlighted muscle group

Lumbricals

Origin: Lumbricals

tendons of flexor digitorum longus

Insertion: Lumbricals

Plantomedial base of proximal phalanx ( 2-5)

Action: Lumbricals

MTP (2-5) flexion

IP's (2-5) passive extension

name the yellow highlighted muscle

Peroneus Longus

name the yellow highlighted muscle

Peroneus Longus

Origin: Peroneus Longus

1. Fibular head

2. Proximolateral shaft of fibula

Insertion: Peroneus Longus

Plantar surface:

1. Medial Cuneiform

2. Base of 1st MT

Action: Peroneus Longus

Eversion

forefoot supination

Name the muscle

extensor hallucis brevis

Origin: extensor hallucis brevis

Dorsolateral calcaneus

extensor retinaculum

interosseous ligament of talocalcaneal joint

Origin: extensor hallucis brevis

Dorsolateral calcaneus

extensor retinaculum

interosseous ligament of talocalcaneal joint

Insertion: extensor hallucis brevis

Dorsolateral base 1st phalanx

Action: extensor hallucis brevis

Great toe extension

name the yellow highlighted muscle

extensor hallucis longus

Origin: extensor hallucis longus

middle 1/3 of medial fibular shaft

Insertion: extensor hallucis longus

Dorsal base of 1st distal phalanx

Action: extensor hallucis longus

Extension - 1st toe

dorsiflexion - ankle

name the yellow highlighted muscle

flexor digitorum longus

Origin: flexor digitorum longus

Infrasoleal line of tibia

Insertion: flexor digitorum longus

Plantar base distal phalanges 2-5

Action: flexor digitorum longus

Flexion - 1st toe

Plantar flexion - Ankle

name the yellow highlighted muscle

extensor digitorum longus

Origin: extensor digitorum longus

lateral tibial condyle

Anterior 3/4 shaft of fibula

Insertion: extensor digitorum longus

Dorsal base of middle & distal phalanx (2-5)

Action: extensor digitorum longus

Dorsiflexion

toe extension (2-5)

name the yellow highlighted muscle

Soleus

Origin: Soleus

1. Dorsoproximal fibular shaft

2. Soleal line of tibia.

Insertion: Soleus

Superior calcaneal tuberosity

Action: Soleus

Plantarflexion

name the yellow highlighted muscle

Plantaris

Origin: Plantaris

Lateral suprcondylar line (femur)

Insertion: Plantaris

Posteromedial calcaneal tuberosity

Action: Plantaris

Plantarflexion

knee flexion

name the yellow highlighted muscle

Gastrocnemius

Origin: Gastrocnemius

Medial Head: Medial condyle

Lateral head: Supracondylar line of femur

Insertion: Gastrocnemius

Superior calcaneal tuberosity

Action: Gastrocnemius

Plantarflexion

knee flexion

name the yellow highlighted muscle

tibialis antertior

Origin: tibialis antertior

Tibia:

1. Lateral condyle

2. Lateral surface - proximal 1/2

Insertion: tibialis antertior

Inferomedial base - 1st MT

1st cuneiform - Inferomedial surface

Action: tibialis antertior

Dorsiflexion

Inversion

mnemonic for learning deep muscles of the hip

Patched Goods Often Go On Quilts

mnemonic for learning deep muscles of the hip

Patched - Name the Yellow highlighted muscle

Piriformis

Origin: Piriformis

Sacrum: Anterior/pelvic surface of

Insertion: Piriformis

Greater trochanter: superior rim/ridge

Action: Piriformis

Hip:

Abduction

External rotation

Goods - Name the Yellow highlighted muscle

Gemellus Superior

Origin: Gemellus Superior

ischial spine

Insertion: Gemellus Superior

posteromedial aspect of greater trochanter

Action: Gemellus Superior

Hip:

Abduction

External rotation

Round or oval opening through a bone

Foreamen

Closed up

obtur

The hole closed up by the obturator muscles

obturator foramen

Often - Name the Yellow highlighted muscle

Obturator internus

Origin: Obturator internus

Insertion: Obturator internus

Action: Obturator internus

On - Name the Yellow highlighted muscle (notice L&R are highlighted)

Obturator externus

Origin: Obturator externus

Ischial tuberosity: anteroinferior rim

Insertion: Obturator externus

femur: trochanteric fossa

Action: Obturator externus

Hip: External Rotation