Stack #85004
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| the most powerful and largest muscles in the body are those of the ___. | lower limb
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| fascia lata | deep fascia of the thigh, encircles the thigh muscles
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| relate the fascia lata | like a supportibe stocking and tightly binds them
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| function of fascia lata | partitions the thigh muscles into compart, each with own blood and nerve supply
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| name the compartments of the thigh. | anterior, lateral, posterior, medial
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| anterior compart of thigh contains? | muscles taht extend the knee or flex the thigh
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| the muscle of the lateral compartment ____ the thigh | abducts
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| most muscles of the posterior compar | act as both flexors of the knee and extensors of the thigh
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| muscles of the medial comp. act as | adductors of the thigh
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| most of the muscles that act on the thigh originate | on the os coxae
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| the muscles that originate on the os coxae do what? | stabilize the highly moveable coxal joint and support body during walking, standing
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| coxal joint | acetabulofemoral jnt
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| a majority of the muscles that move the thigh at the coxal jnt originate on the ______ and insert on the ____ | pelvic girdle, femur
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| thigh flexors | muscles of the anterior thigh compartment
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| thigh flexor muscles | sartorius, quadriceps femoris muscles.
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| thigh adductors | medial thigh compartment muscles
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| thigh adductors muscle | gracilis
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| thigh abductors | lateral thigh compartment
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| thigh abductor muscle | tensor fasciae latae
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| posterior thigh compartment muscles | gluteus maximus, piriformis and hamstring muscles
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| longest muscle in the body | sartorius (thigh flexor)
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| what muscle enables cross legged sitting? | sartorius (thigh flexor)
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| where is sartorius located? | crosses over anterior thigh
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| the _____ muscle of the quadriceps femoris muscles group, helps flex the thigh in addition to moving the knee joint/leg. | rectus femoris
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| what attaches to the iliotibial tract (band)? | tensor fasciae latae
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| iliotibial tract (band). | lateral thickening of the fascia lata
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| where is the iliotibial tract (band) located?q | extends from teh iliac crest to the lateral condyle of the tibia
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| largest and heaviest of the three gluteal muscles | gluteus maximus
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| what is the chief extensor of the thigh | gluteus maximus
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| common site for IM | gluteus maximus, and deltoid
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| piriformis is located where? | deep to the gluteus maximus, laterally rotate the thigh/coxal joing
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| example of piriformis action. | when the legs are crossed with one ankle resting on the knee
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| what is a negative action of the pirifomis? | can cause pressure on a major nerve that runs down the back of the thigh
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| the anterior (extensor) compartment of the thigh ic composed of? | quadriceps femoris
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| pime mover of knee extension | quadriceps femoris
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| most powerful muscle of the body | quadriceps femoris
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| quads` | quadriceps femoris
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| the quadriceps femoris muscles have spearate origins, but a ... | common insertion on the patella via quadriceps tendon
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| the quadriceps tendon | is continuous over the patella and becomes the patellar ligament as it attch to the tibial tuberosity
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| how is the quadriceps tendon become the patellar ligament | as it attchs to the tibial tuberosity on the proximal anterior region of the tibia
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| name the thigh muscles located in the extensor (anterior) compartment. | rectus femoris, vastus lateralis, vastus medialis, vastus intermedius, sartorius
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| medial (adductor) compartment of thigh contains? | gracilis
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| posterior (flexor) compartment of the thigh contains | biceps femoris, semimembranosus, semitendinosus (three hamstring muscles)
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| how did the hamstring muscles gain their name? | bc a ham is strung up by the tendons of these muscles while being smoked
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| what is the function of the hamstring muscles? | flex the knee joint/leg and are antagonistic to the quadriceps femoris muscles.
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| the hamstrings hav a ____ origin and ___ insertions | common, different
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| biceps femoris | tow headed muscle inserts on t he lateral side of leg, palpated at the laterael margin of the popliteal fossa
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| semimembranosus | deep to the semitendinosus and inserts on the medial side of the leg. it's tendon of insertion palpated at the medial margin of the popliteal fossa
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| semitendinosus | superficial to the semimembranosus and inserts on the medial side off the leg. creates the most prominent medial lip of the popliteal fossa.
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| gastrocnemius | spans the knee joint and flexes the knee/leg
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| crural muscles | muscles that move the ankle, foot, and toes
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| what are the three crural compartments | anterior, lateral and posterior
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| what partitions the leg into three compartments? | deep fascia, each with its own nerv and blood supply
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| what portion of the tibia lacks muscle attachment? | anterior
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| function of the anterior compart muscles? | dorsiflex the foot and or extend the toes
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| tendons of the muscles within anteriorr crural compartment are held tightly against the ankle by? | extensor retinaculum
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| extensor retinaculum | multiple deep fascia thickenings (ankle).
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| primary dorsiflexor of the foot at the ankle? | tibialis anterior
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| name the muscle of the anterior compart | tibialis anterior
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| muscles of the lateral compartment of the leg. | peroneus (fibularis) longus
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| posterior crural compartment is composed of what two muscles? | gastrocnemius, soleus
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| gastrocnemius | most uperficial crural muscle, two thick bellies that form the calf
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| soleus | broad, flat musscle, deep to the gastocnemius, resembles a flat fish
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| gasstrocnemius and soleus are collectively known as the | triceps surae
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| the most powerful planter flexors of all the leg muscles | triceps surae
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| the triceps surae share a common tendon of insertion called the | calcaneal (achilles) tendon
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| achilles tendon | calcaneal tendon
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| severe cases of compartment syndrome may require | decompression fasciotomy
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| don't use ___ when compartment syndrome is suspected | compression
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| intrinsic muslces of the foot both ___ and ____ within the foot. | originate, insert
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| function of the intreinsic muscle of the foot. | support he arches and move the toes to aid locomotion
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| the plantar surface of the foot is supported by the | plantar aponeurosis
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| where is the plantar aponeurosis formed? | from the deep fascia of the foot
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| where is the plantar aponeurosis found? | extends between teh phalanges of the toes and the calcaneus, encloses the plantar muscles of the foot
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Created by:
kimberlywar