Inferior Limb Myology Flashcards
What 2 muscles make up the Iliopsoas Muscle, and where do they form it
iliacus MusclePsoas Major MuscleThey form together at the inguinal ligament
What is the Origin of the Iliacus Muscle
iliac fossa
What is the insertion of the iliacus Muscle
Lesser trochanter and adjacent body of the femur bone
What are the 2 actions of the iliacus Muscle
Flex coxal jointRotate thigh laterally
What is the origin of the Psoas Major Muscle
bodies of vertebrae T12-L5
What is the Insertion of the Psoas Major Muscle
Lesser trochanter and adjacent body of the femur bone
what are the 2 actions of the Psoas Major Muscle
Flex coxal jointRotate thigh laterally
What is the origin of the Pectineus Muscle
Pectin of pubis
What is the insertion of the Pectineus Muscle
Proximal end of posterior aspect of femoral body
What are the 2 actions of the Pectineus Muscle
Adduct Inferior limb at coxal jointFlex coxal joint
What is the origin of the Adductor Longus Muscle
Pubic symphysis and adjacent body of pubis
What is the insertion of the Adductor Longus Muscle
Middle third of medial lip of linea Aspera of femur bone
What is the action of the Adductor Longus Muscle
Adduct inferior limb at the coxal joint
What is the Origin of the Gracilis Muscle
Inferior Ramus of pubis
What is the Insertion of the Gracilis Muscle
Medial aspect of proximal part of tibial body
What are the 3 actions of the Gracilis Muscle
Adduct inferior limb at the coxal jointFlex genual JointRotate inferior limb medially
What is the Origin to the Adductor Brevis Muscle
Inferior Ramus Of pubis
What is the Insertion of the Adductor Brevis Muscle
Medial lip of linea aspera of femur bone
What are the 2 actions of the adductor Brevis Muscle
Adduct inferior limb at the coxal jointExtend coxal joint
What are the 3 Origins to the Adductor Magnus Muscle
Ischiatic tuber Inferior ramus of pubisRamus of the ischium
What are the 2 Insertions of the Adductor Magnus Muscle
Linea asperaAdductor tubercle of femur bone
What are the 2 actions of the Adductor Magnus Muscle
Adduct inferior limb at the coxal JointExtend coxal Joint
What is the Origin of the Long head of the Biceps Femoris Muscle
Ischiatic tuber
What are the 2 insertions of the Biceps Femoris Muscle
Head of fibulaLateral condyle of tibia
What are the 3 actions of the Long head of the Biceps Femoris Muscle
Extend coxal jointFlex genual jointrotate limb laterally
What is the origin of the Short head of the Biceps Femoris Muscle
Lateral lip of the linea aspera of femur bone
What are the 2 insertions of the Short head of the Biceps Femoris Muscle
Head of fibulaLateral condyle of the tibia
What is the Origin of the Semitendinosus Muscle
Ischiatic Tuber
What is the Insertion of the Semitendinosus Muscle
Medial aspect of the proximal part of the tibial body
What are the 3 actions of the Semitendinosus Muscle
Extend coxal jointFlex genual jointRotate limb medially
What is the origin of the Semimembranosus Muscle
Ischiatic tuber
What is the insertion of the Semimembranosus Muscle
medial condyle of tibia (posterior aspect)
What are the 3 actions of the Semimembranosus Muscle
Extend coxal jointFlex genual jointRotate limb medially
What is the Origin of the Sartorius Muscle
Anterior Superior iliac Spine
What is the insertion of the Sartorius Muscle
Medial aspect of the tibial tuberosity
What are the 3 actions of the Sartorius Muscle
flex coxal jointrotate limb laterallyFlex genual joint
What 4 muscles make up the Quadriceps femoris Muscle
Rectus Femoris MuscleVastus Lateralis MuscleVastus Medialis MuscleVastus Intermedius Muscle
What is the origin of the Rectus Femoris Muscle
Anterior Inferior iliac spine
What is the Insertion of the Rectus Femoris Muscle
Tibial tuberosity (via patella and patellar ligament)
What are the 2 actions of the Rectus Femoris Muscle
Flex coxal JointExtend genual Joint
What is the Origin of the Vastus Lateralis Muscle
Lateral aspect of body of femur bone
What is the insertion of the Vastus Lateralis Muscle
Tibial tuberosity (via patella and patellar ligament)
What is the action of the Vastus Lateralis Muscle
Extend genual Joint
What is the Origin of the Vastus Medialis Muscle
Medial aspect of body of femur bone
What is the insertion of the Vastus Medialis Muscle
Tibial tuberosity (via patella and patellar ligament)
What is the action of the Vastus Medialis Muscle
Extend genual joint
What is the origin of the Vastus Intermedius Muscle
Anterior aspect of body of femur bone
What is the insertion of the Vastus Intermedius Muscle
Tibial tuberosity (via patella and patellar ligament)
What is the action of the Vastus Intermedius Muscle
Extend genual joint
What are the 3 origins of the Gluteus Maximus Muscle
Bony sacrumiliac crestcoccyx
What are the 2 insertions of the Gluteus Maximus Muscle
Proximolateral aspect of femoral bodyiliotibial tract
What are the 3 actions of the Gluteus Maximus Muscle
Extend coxal jointrotate thigh laterallySome adduction of limb at coxal joint
What is the Origin of the Gluteus Medius Muscle
Gluteal Surface of ilium
What is the insertion of the Gluteus Medius Muscle
greater trochanter of femur bone
What are the 2 actions of the Gluteus Medius Muscle
Abduct inferior Limb at the coxal jointRotate thigh laterally
What is the origin of the Gluteus Minimus Muscle
Gluteal surface of the ilium
What is the insertion of the Gluteus Minimus Muscle
greater trochanter of femur bone
What is the action of the Gluteus Minimus Muscle
Abduct limb at coxal joint
What 2 things make up the Tensor Fasciae Latae Muscle
Fascia Latailiotibial tract
What is the Origin of the Tensor Fasciae Latae Muscle
Anterior superior iliac spine
What is the insertion of the Tensor Fasciae Latae Muscle
Lateral condyle of the tibia
What are the 2 actions of the Tensor Fasciae Latae Muscle
flex coxal jointabduct limb at coxal joint
What are the 2 Origins of the Anterior Tibial Muscle
Proximal tibiaCrural interosseous membrane
What are the 2 insertions of the Anterior Tibial Muscle
Medial cuneiform boneFirst metatarsal bone
What are the 2 actions of the Anterior Tibial Muscle
Flex the talocrural jointInvert the pes
What are the 3 Origins of the Long digital extensor Muscle
Lateral condyle of tibiaProximal fibulaCrural interosseous membrane
What is the insertion of the Long digital extensor Muscle
Distal phalanges of digits 2-5
What are the 2 Actions of the Long digital extensor Muscle
Flex talocrural jointInvert the pes
What are the 2 Origins to the Extensor Hallucis Longus Muscle
Middle of the FibulaCrural interosseous Membrane
What is the Action of the Extensor Hallucis Longus Muscle
Extend digital joints of big toeFlex the Talocrural Joint
What is the Origin of the Peroneus Longus Muscle
Proximal Third of the fibula
What are the 2 Insertion of the Peroneus Longus Muscle
Medial cuneiform boneBase of the first metatarsal bone
What are the 2 actions of the Peroneus Longus Muscle
Extend the talocrural JointEvert Pes
What is the Origin of the Peroneus Brevis Muscle
Distal half of fibula
What is the Insertion of the Peroneus Brevis Muscle
Base of the fifth metatarsal bone
What are the 2 actions of the Peroneus Brevis Muscle
Evert pesExtend the talocrural joint
What is the Origin of the Peroneus Tertius Muscle
Lower third of body of fibula
What is the Insertion of the Peroneus Tertius Muscle
dorsum of base of fifth metatarsal bone
What are the 2 actions of the Peroneus Tertius Muscle
Flex the talocrural jointEvert the pes
What is the Origin of the Medial and Lateral heads of the Gastrocnemius Muscle
Distal posterior femur bone just above medial and lateral condyles
What is the Insertion of the Medial and Lateral heads of the Gastrocnemius Muscle
Tuber Calcanei
What are the 2 actions of the Medial and Lateral heads of the Gastrocnemius Muscle
Extend the talocrural jointFlex the genual Joint
Calcanean tendon
N/A
What is the origin of the Soleus Muscle
proximal, posterior tibia and fibula
What is the Insertion of the Soleus Muscle
Tuber Calcanei
What is the action of the Soleus Muscle
Extend the talocrural Joint
What is the Origin of the Plantaris Muscle
Lateral epicondyle of femur bone
What is the Insertion of the Plantaris Muscle
Tuber Calcanei
What is the action of the Plantaris Muscle
Extend the talocrural Joint
What is the Origin of the Popliteus Muscle
Lateral epicondyle of the femur bone
What is the Insertion of the Popliteus Muscle
Posterior aspect of tibia above line of Soleus muscle
What are the 2 actions of the Popliteus Muscle
Flex genual jointRotate Crus medially
What are the 2 Origins of the Flexor Hallucis Longus Muscle
distal two-thirds of fibula (and crural interosseus membrane)
What is the insertion of the Flexor Hallucis Longus Muscle
base of distal phalanx of first digit
What is the 2 actions of the Flexor Hallucis Longus Muscle
Flex digital joints of first digitInvert the pes
What is the Origin of the Flexor Digitorum Longus Muscle
Tibia (middle third of posterior surface)
What is the Insertion of the Flexor Digitorum Longus Muscle
distal phalanges of digits 2-5
What are the 2 actions of the Flexor Digitorum Longus Muscle
Flex digital joints of minor toesExtend the talocrural joint
What is the Origin of the Posterior Tibial Muscle
posterior aspect of the tibia and fibula
What are the 2 Insertions of the Posterior Tibial Muscle
Tarsal Bones (except talus)Metatarsal bones 2-4
What are the 2 actions of the Posterior Tibial Muscle
Extend talocrural JointInvert Pes
Skeletal muscles increase their overall size via??
Hypertrophy
Painful spasmodic contractions of muscles, which often occur due to sodium/potassium imbalances related to heavy exercise
Cramps
Cramps when the ambient temperature is elevated
Heat Cramps
Cramps that occur during rest or light sleep
Recumbency cramps
The unpleasant discomfort in legs that is not related to hydration of electrolytes
Restless leg syndrome
Heavy exercise, especially in those not accustomed to it, may induce moderate to severe soreness 24-36 hours later
Exercise myositis
Stiffening of the body that occurs after death
Rigor mortis
What 3 Muscles Originate on the Inferior Ramus of the Pubis
Gracilis MuscleAdductor Brevis MuscleAdductor Magnums Muscle
What 4 Muscles Originate on the Ischiatic Tuber
Adductor Magnus MuscleLong Head of the Biceps Femoris MuscleSemitendinosus MuscleSemimembranosus Muscle
What 6 Muscle Flex the Coxal Joint
Iliacus MusclePsoas Major MusclePectineus MuscleSartorius MuscleRectus Femoris MuscleTensor Fasciae Latae Muscle
What 6 Muscles adduct the inferior limb at the Coxal joint
Pectineus MuscleAdductor Longus MuscleGracilis MuscleAdductor Brevis MuscleAdductor Magnus MuscleGluteus Maximus Muscle
What 7 Muscles Extend the coxal Joint
Adductor Brevis MuscleAdductor Magnus MuscleLong head of Biceps Femoris MuscleShort head of the Biceps Femoris MuscleSemitendinosus MuscleSemimembranosus MuscleGluteus Maximus Muscle
What 3 Muscle abduct the inferior limb at the Coxal Joint
Gluteus Medius MuscleGluteus Minimus MuscleTensor Fasciae Latae Muscle
What 7 Muscle flex the genual Joint
Gracilis MuscleLong head of the Biceps Femoris MuscleShort head of the Biceps Femoris MuscleSemitendinosus MuscleSemimembranosus MuscleSartorius MusclePopliteus Muscle
What 4 Muscles Extend the genual Joint
Rectus Femoris MuscleVastus Lateralis MuscleVastus Medialis MuscleVastus Intermedius Muscle
What 3 muscle Flex the Talocrural Joint
Anterior Tibial MuscleLong Digital Extensor MusclePeroneus Tertius Muscle
What 7 muscle Extend the Talocrural Joint
Peroneus Longus MusclePeroneus Brevis MuscleGastrocnemius MuscleSoleus MusclePlantaris MuscleFlexor Digitorum Longus MusclePosterior Tibial Muscle
What 3 muscle Invert the pes
Anterior Tibial MuscleFlexor Hallucis Longus MusclePosterior Tibial Muscle
What 3 muscle evert the pes
Peroneus Longus MusclePeroneus Brevis MusclePeroneus Tertius Muscle