Term
Rectus Femoris
(anterior compartment) |
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Definition
Nerve: Femoral
Origin: ASIS
insertion: Patella
Action: Knee extension; hip flexion |
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Term
Vastus Lateralis
(anterior compartment) |
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Definition
Nerve: Femoral
Origin: Greater trochanter
insertion: Patella
Action: extends and stabilizes knee |
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Term
Vastus intermediate
(anterior compartment) |
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Definition
Nerve: Femoral
Origin: antero/lateral femur
insertion: patella
Action: extends knee |
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Term
Vastus medialis
(anterior compartment) |
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Definition
Nerve: femoral
Origin: femur
insertion: patella
Action: extends knee |
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Term
articularis genu
(anterior compartment)
(part of Vastus medialis) |
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Definition
Nerve: Femoral
Origin: femur
insertion: patella
Action: pulls suprapatellar bursa during extension of the knee |
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Term
Sartorius
(anterior compartment) |
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Definition
Nerve: Femoral
Origin: ASIS
insertion: medial side upper tibia
Action: flexion, lat rotation, abduction of thigh. medial rotation of leg |
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Term
Anterior compartment muscles.
All insert on Patella except Sartorius |
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Definition
Hip Flexion, Knee Extension
Femoral n/a
Rectus Femoris
Vastus Lateralis
Vastus intermediate
Vastus Medialis
articularis genu
sartorius |
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Term
| Medial Compartment Muscles |
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Definition
Obturator n/a.
Adductors of hip and knee flexors
Gracilis
Pectineus
Adductor minimus(part of adductor magnus
Adductor brevis
Adductor longus
Abductor magnus |
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Term
Gracilis
(medial compartmetn) |
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Definition
Nerve: obturator
insertion: tibia
Origin: ischiopubic ramus
action: flexes hip,knee |
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Term
Pectineus
(medial compartment) |
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Definition
Nerve: Obturator
Origin: pectin pubis
Insertion: lesser trochanter
Action: thigh flexion, adduction, medial rotation |
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Term
Adductor minimus
(medial compartment)
(upper portion of adductor magnus) |
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Definition
Nerve: obturator and tibial
Origin: inferior ramus
Insertion: linea aspera of femur
Action: adduction and lat rotation of thigh |
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Term
Adductor brevis
(medial compartment) |
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Definition
Nerve: obturator
Origin: inferior ramus and body of pubis
Insertion: lesser trochanter
Action: adduction of the hip |
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Term
adductor longus
(medial compartment) |
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Definition
Nerve: obturator
Origin: pubic body
Insertion: linea aspera
Action: adduction and flexion of thigh |
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Term
Adductor Magnus
(medial compartment) |
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Definition
Nerve: Obturator. Sciatic(hamstring)
Origin: ishchiopubic ramus and inferior ramus of the ischum
hamstring portion: tuberosity of ischium
Insertion: linea aspera, adductor tubercle and tubercle to linea aspera
Action: adduction and extension of hip |
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Term
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Definition
Deep femoral a.
Tibial n except S.H.-fibular
Hip extension / knee flexion
Semitendinosus
semimebranosus
biceps femoris long head
biceps femoris short head |
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Term
Semitendinosus
(posterior compartment) |
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Definition
Nerve: tibial
Origin: ischial tuberosity
Insertion: medial surface tibia
Action: flex knee, extend hip |
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Term
semimembranous
(posterior compartment) |
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Definition
Nerve: tibial
Origin: ischial tuberosity
Insertion: medial tibial condyle
Action: Hip extension / knee flexion |
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Term
Biceps femoris long head
(posterior compartment) |
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Definition
Nerve: tibial
Origin: ischial tuberosity
Insertion: lateral side of head of fibul
Action: Hip extension, Knee flexion |
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Term
Biceps femoris short head
(posterior compartment) |
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Definition
Nerve: common fibular
Origin: linea aspera
Insertion: lateral side of head of fibul
Action: flexes the knee |
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