Muscles of Lower Extermities

What is the Lower-Extrm

• Thigh

• Leg

• Foot

What multiarticular / biarticular muscle?

Psoas Major

What multiarticular / biarticular muscle?

Sartorius / Gracialis

What multiarticular / biarticular muscle?

Rectus Femoris (Quad Group)

What is the Fascial / Tendinious Strcuture of Knee / Thigh

Iliotibial (IT) Band / Tract

What is the Fascial / Tendinious Strcuture of Knee / Thigh

Attachment

What is the Fascial / Tendinious Strcuture of Knee / Thigh

Pes Anserine (‘gosse foot’)

What Anterior Hip Muscle?

• Iliospoas

• Sartorius’'

• Pectineus

What Medial Hip Muscles?

• Gracialis

• Adductor Brevis

• Adductor Longus

• ADductor Magnus

What Posterolateral Hip Muscles

• Glutues Maximus

• Gluteus Medius

• Gluteus Minimus

• Tensor Fascia Lata

• Priformis

• Gemellus Superior / Inferior

• Obturator Femoris

Anterior Hip Muscles

Iliopsoas

Anterior Hip Muscles

Sartorius

Anterior Hip Muscles

Pectineus

Medial Hip Muscles

Gracilis

Medial Hip Muscles

Adductor Longus

Medial Hip Muscles

Adductor Brevis

Medial Hip Muscles

Adductor Portion

Medial Hip Muscles

Hamstring (ischiocondular) portion

Posterior / Lateral Hip Muscles

Glutus Maximus

Posterior / Lateral Hip Muscles

Gluteus Medius

Posterior / Lateral Hip Muscles

Gluteus Minimus

Posterior / Lateral Hip Muscles

Tensor Fascia Lata (TFL)

Deep Hip External Rotators

Priformis

Deep Hip External Rotators

Gemellus Superior

Deep Hip External Rotators

Obturator Internus

Deep Hip External Rotators

Obturator Internus

Deep Hip External Rotators

Gemellus Inferior

Deep Hip External Rotators

Obturator Externus

Deep Hip External Rotators

Quadtratus Femoris

Deep Hip External Rotators

Adductor Magnus

Deep Hip External Rotators

Hamstring (Ischiocondylar) Portion

Posterior / Lateral Hip Muscle

Gluteus Maximus

Posterior / Lateral Hip Muscle

Gluteus Medius

Posterior / Lateral Hip Muscle

Gluteus Minimus

Posterior / Lateral Hip Muscle

Tensor Fascia Lata (TFL)

Deep Hip External Rotators (Deep Six)

Priformis

Deep Hip External Rotators (Deep Six)

Gemellus Superior

Deep Hip External Rotators (Deep Six)

Obturator Internus

Deep Hip External Rotators (Deep Six)

Gemllus Inferior

Deep Hip External Rotators (Deep Six)

Obturator Externus

Deep Hip External Rotators (Deep Six)

Quadratus Femoris

Muscles that Move the Leg?

Quadriceps Femoris

• Quadriceps Tendon

• Patellar Tendon / Ligament

Muscles that Move the Leg?

Rectus Femoris

Muscles that Move the Leg?

Vastus Lateralis

Muscles that Move the Leg?

Vastus Medialis

Muscles that Move the Leg?

Vastus Intermedius

What muscle?

Hamstrings

What muscle?

Biceps Femoris (long / short heads)

What muscle?

Semimembranosus

What muscle?

Semitendinosus

What muscle?

Popliteus

What is Knee Locking / Unlocking

Screw-Home Mechnaism (SH<)

Knee Locking / Unlocking

Non-weight (OKC)

Knee Locking / Unlocking

Weight Bearing (CKC)

What is occuring

Unlocking The Knee (popliteus muscle)

What is Occuring

Non-weight bearing OKC

Knee Locking / Unlocking

Weight-bearing (CKC)

What is the Anterior Comp

• Tibialis Anterior

• Extensor Digitorum Longus

• Extensor JHallucis Longus

What is Lateral Comp

• Fibularis

• Peroneals

What Post Comp

Superficial - Gastrcenemius / Soleus / Plantaris

What post comp

Deep - Tibialis Posterior / Flexor Digitorum Longus / Flexor Hallucis Longus

What Anterior Comp Muscle

Tibialis Anterio r

What Anterior Comp Muscle

Extensor Hallucis Longus

What Anterior Comp Muscle

Extensor Digitorum Longus

What Lateral Comp Muscle

Peroneus Longus (Fibularis Longus)

What Lateral Comp Muscle

Peroneus Brevis (Fibularis Brevis)

What posterior comp muscle

Gastrocenemius (Superficial)

What posterior comp muscle

Superfifical

• Soleus

What posterior comp muscle

Superfiical

• Gastrocenemius

What Tendon

Achileies Tendon

What is Deep Posterior Muscle

Tibialis Posterior

What is Deep Posterior Muscle

Flexor Digitorum Longus

What is Deep Posterior Muscle

Flexor Hallucis Longus

How many Intrinsic Muscles of Foot

19 Muscles are located entirely within the foot

What nerve / Innervation

Superior Gluteal nerve

What nerve / Innervation

What nerve / Innervation

Femoral Nerve

What nerve / Innervation

Obturator Nerve

What nerve / Innervation

Sciatic Nerve

What nerve / Innervation

Tibial Nerve

What nerve / Innervation

Common Fibular (Peroneal) Nerve

What nerve / Innervation

Deep Fibular (peroneal) nerve

What nerve / Innervation

Superficial Fibular (Peroneal) Nerve

Pathophysiology

Hamstring Strain

Pathophysiology

Patellar Tendinopathy (Jumpers knee)

Pathophysiology

Achilles Tendinopathy