Inferior Limb Myology
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47 terms
Terms | Definitions |
|---|---|
 Iliopsoas Muscle | Origin: Insertion: Action: |
| Iliacus Muscle | Origin: Iliac Fossa Insertion: Lesser trochanter/Adjacent body of femur bone Action: Flex coxal joint/Rotate thigh laterally |
| Psoas Major Muscle | Origin: Bodies of vertebra 712-L5 Insertion: Lesser trochanter/Adjacent body of femur bone Action: Flex coxal joint/Rotate thigh laterally |
| Gluteus Maximus Muscle | Origin: Bony sacrum/Iliac crest/Coccyx Insertion: Proximolateral aspect of femoral body/Iliotibial tract Action: Extend coxal joint/Rotate thigh laterally/Some adduction of limb at coxal joint |
| Gluteus Medius Muscle | Origin: Gluteal surface of ilium Insertion: Greater trochanter of femur bone Action: Abduct limb at coxal joint/Rotate thigh laterally |
| Gluteus Minimus Muscle | Origin: Gluteal surface of ilium Insertion: Greater trochanter of femur bone Action: Abduct limb at coxal joint |
| Tensor Fasciae Latae Muscle | Origin: Anterior superior iliac spine Insertion: Lateral condyle of the tibia Action: Flex coxal joint/Abduct limb at coxal joint |
| Iliotibial Tract | Dense band within the fascia lata |
| Sartorius Muscle | Origin: Anterior superior iliac spine Insertion: Medial aspect of the tibial tuberosity Action: Flex coxal joint/Rotate limb laterally/Flex genual joint |
| Rectus Femoris Muscle | Origin: Anterior inferior iliac spine Insertion: Tibial tuberosity Action: Flex coxal joint/Extend genual joint |
| Vastus Lateralis Muscle | Origin: Lateral aspect of body of femur bone Insertion: Tibial tuberosity Action: Extend genual joint |
| Vastus Medialis Muscle | Origin: Medial aspect of body of femur bone Insertion: Tibial tuberosity Action: Extend genual joint |
| Vastus Intermedius Muscle | Origin: Anterior aspect of body of femur bone Insertion: Tibial tuberosity Action: Extend genual joint |
| Gracilis Muscle | Origin: Inferior ramus of pubis Insertion: Medial aspect of proximal part of tibial body Action: Adduct limb at coxal joint/Flex genual joint/Rotate limb medially |
| Pectineus Muscle | Origin: Pecten of pubis Insertion: Proximal end of posterior aspect of femoral body Action: Adduct limb at coxal joint/Flex coxal joint |
| Adductor Longus Muscle | Origin: Pubic symphysis/Adjacent body of pubis Insertion: Middle 1/3 of medial lip of linea aspera of femur bone Action: Adduct limb at coxal joint |
| Adductor Brevis Muscle | Origin: Inferior ramus of pubis Insertion: Medial lip of linea aspera of femur bone Action: Adduct limb at coxal joint |
| Adductor Magnus Muscle | Origin: Ischiatic tuber/ Inferior ramus of pubis/ Ramus of ischium Insertion: Linea aspera/Adductor tubercle of femur bone Action:Adduct limb at coxal joint/ Extend coxal joint |
| Adductor Minimus Muscle | Origin: Insertion: Action: |
| Long Head Of Biceps Femoris Muscle | Origin: Ischiatic tuber Insertion: Head of fibula/Lateral condyle of tibia Action: Extend coxal joint |
| Short Head Of Biceps Femoris Muscle | Origin: Lateral lip of linea aspera of femur bone Insertion: Head of fibula/Lateral condyle of tibia Action: Flex genual joint/Rotate limb laterally |
| Semitendinosus Muscle | Origin: Ischiatic tuber Insertion: Medial aspect of the proximal part of the tibial body Action: Extend coxal joint/Flex genual joint/Rotate limb medially |
| Semimembranosus Muscle | Origin: Ischiatic tuber Insertion: Medial condyle of tibia Action: Extend coxal joint/Flex genual joint/Rotate limb medially |
| Anterior Tibial Muscle | Origin: Proximal tibia/Crural interosseous membrane Insertion: Medial cuneiform bone/ 1st metatarsal bone Action: Flex the talocrural joint/ Invert the foot |
| Long Digital Extensor Muscle | Origin: Lateral condyle of the tibia/ Proximal fibula/ Crural interosseous membrane Insertion: Distal phalanges of digits 2-5 Action: Flex talocrural joint/ Extend digital joints of digits 2-5 |
| Extensor Hallucis Longus Muscle | Origin: Middle of fibula/ Crural interosseous membrane Insertion: Base of distal phalanx of big toe Action:Extend digital joints of big toe/ flex talocrural joint |
| Peroneus Longus Muscle | Origin: Proximal 1/3 of fibula Insertion: Medial cuneiform bone/ base of 1st metatarsal bone Action:Extend talocrural joint/ Evert pes |
| Peroneus Brevis Muscle | Origin: Distal 1/2 of fibula Insertion: Base of 5th metatarsal bone Action: Evert pes/Extend the talocrural joint |
| Peroneus Tertius Muscle | Origin: Lower 1/3 of body of fibula Insertion: Dorsum of base of 5th metatarsal bone Action:Evert pes/Flex talocrural joint |
| Medial Head Of Gastrocnemius Muscle | Origin: Distal posterior femur bone just above the medial condyle Insertion: Tuber calcanei Action:Extend talocrural joint/Flex genual joint |
| Lateral Head Of Gastrocnemius Muscle | Origin: Distal posterior femur bone just above the lateral condyle Insertion: Tuber calcanei Action:Extend talocrural joint/Flex genual joint |
| Triceps Surae Muscle | 2 heads of the gastrocnemius muscle and the soleus muscle |
| Calcanean Tendon | Joined tendons of both heads of the gastrocneumius muscle and the soleus muscle. |
| Soleus Muscle | Origin: Proximal, posterior tibia and fibula Insertion: Tuber calcanei Action:Extend talocrural joint |
| Plantaris Muscle | Origin: Lateral epicondyle of femur bone Insertion: Tuber calcanei Action: Extend talocrural joint |
| Popliteus Muscle | Origin: Lateral epicondyle of femur bone Insertion: Posterior aspect of tibia above line of soleus muscle Action: Flex genual joint/Rotate crus medially |
| Flexor Hallucis Longus Muscle | Origin: Distal 2/3 of fibula Insertion: Base of distal phalanx of 1st digit Action: Flex digital joints of 1st digit/Invert the pes |
| Flexor Digitorum Longus Muscle | Origin: Tibia Insertion: Distal phalanges of digits 2-5 Action: Flex digital joints of minor toes/Extend talocrural joint |
| Posterior Tibial Muscle | Origin: Posterior aspect of the tibia and fibula Insertion: Tarsal bones except talus/Metatarsal bones Action: Extend talocrural joint/Invert pes |
| Anterior Muscles Of The Hip | Iliopsoas Muscle Iliacus Muscle Psoas Major Muscle |
| Posterior And Lateral Muscles Of The Hip | Gluteus Maximus Muscle Gluteus Medius Muscle Gluteus Minimus Muscle Tensor Fasciae Latae Muscle |
| Anterior Muscles Of The Thigh | Sartorius Muscle Rectus Femoris Muscle Vastus Lateralis Muscle Vastus Intermedius Muscle Articularis Genus Muscle |
| Medial Muscles Of The Thigh | Gracilis Muscle Pectineus Muscle Adductor Longus Muscle Adductor Brevis Muscle Adductor Magnus Muscle Adductor Minimus Muscle |
| Posterior Muscles Of The Thigh | Biceps Femoris Muscle Semitendinosus Muscle Semimembranosus Muscle |
| Anterolateral Muscles Of The Crus | Tibialis Anterior Muscle Long Digital Extensor Muscle Extensor Hallucis Longus Muscle Peroneus Longus Muscle Peroneus Brevis Muscle Peroneus Tertius Muscle |
| Posterior Muscles Of The Crus | Gastrocnemius Muscle Soleus Muscle Plantaris Muscle Popliteus Muscle Flexor Hallucis Longus Muscle Flexor Digitorum Longus Muscle Tibialis Posterior Muscle |
| Quadriceps Femoris Muscle | Rectus Femoris Muscle Vastus Lateralis Muscle Vastus Medialis Muscle Vastus Intermedius Muscle |
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