APPENDICULAR TOES ORIGINS

TOE ORIGINS

Semimembranosus (Origin)

Ischial tuberosity

Semitendinosus (Origin)

Ischial Tuberosity

Biceps femoris- long head (Origin)

Ischial tuberosity

Biceps femoris- short head (Origin)

linea aspera of femur, lateral supracondylar line

Gracilis (Origin)

Body and inferior ramus of pubis

Sartorius (tailor's muscles) (Origin)

Anterior superior iliac spine (ASIS)

Rectus femoris (Origin)

Anterior inferior iliac spine (AIIS)

Vastus Lateralis (Origin)

Greater trochanter, gluteal tuberosity, and lateral lip of linea aspera

Vastus Medialis (Origin)

Greater trochanter, intertrochanteric line, gluteal tuberosity, linea aspera

Vastus Intermedius (Origin)

Anterolateral surfaces of shaft of femur

Articularis genus (Origin)

Anterior surface of distal femur

Extensor Digitorum Longus (Origin)

Lateral condyle of tibia, proximal 3/4 of anterior fibula and interosseousmembrane

Extensor Hallucis Longus (Origin)

Middle anterior fibula and interosseous membrane

Peroneus (Fibularis) Tertius (Origin)

distal 1/3 of anterior fibula and interosseous membrane

Tibialis Anterior (Origin)

lateral condyle, proximal ½ of lateral tibia, and interosseous membrane

Fibularis (Peroneus) Brevis (Origin)

Distal 2/3 of lateral fibula

Fibularis (Peroneus) Longus (Origin)

head and proximal 2/3 of lateral fibula

Gastrocnemius (Origin)

Medial Head- popliteal surface above medial condyle of femur Lateral Head- lateral condyle of femur

Plantaris (Origin)

lateral supracondylar line of femur and oblique popliteal ligament

Soleus (Origin)

posterior head and proximal ¼ of fibula, Soleal line of tibia

Flexor Hallucis Longus (lateral) (Origin)

Distal 2/3 of posterior fibula and interosseous membrane

Popliteus (Origin)

Lateral condyle of femur and lateral meniscus

Flexor Digitorum Longus (Medial) (Origin)

medial posterior tibia inferior to Soleal line

Tibialis Posterior (Origin)

Posterior tibia below Soleal line, interosseous membrane, proximal ½ ofposterior fibula

Dorsal interossei (4) (Origin)

Adjacent sides of 1st through 5th metatarsals

Extensor digitorum brevis (Origin)

Superolateral calcaneus, lateral talocalcaneal ligament, inferior extensor retinaculum

Extensor hallucis brevis (Origin)

Superolateral surface of calcaneus

Abductor digit minimi (Origin)

Medial and lateral tubercles of calcaneal tuberosity, plantar aponeurosis, and intermuscular septum

Abductor Hallucis (Origin)

Medial tubercle of calcaneal tuberosity, flexor retinaculum, and plantar aponeurosis

Flexor digitorum brevis (Origin)

Medial tubercle of calcaneal tuberosity, plantar aponeurosis, and intermuscular septum

Lumbricals (4) (Origin)

Tendons of flexor digitorum longus

Quadratus plantae (Origin)

Medial and lateral sides of plantar surface of calcaneus

Flexor hallucis brevis (Origin)

Plantar surfaces of cuboid and lateral cuneiform

Adductor hallucis (Origin)

•Oblique head- bases of metatarsals 2-4•Transverse head- ligaments of metatarsophalangeal jts of digits 3-5

Flexor digit minimi brevis (Origin)

base of 5th metatarsal

Plantar interossei (3) (Origin)

bases and medial sides of metatarsals 3-5