Quiz 7 - Lower Body Musculature Flashcards
Gluteus maximus
extend hip, lateral rotation and abduct hip
o: ilium, sacrum, coccyx
i: femur, iliotibial tract
gluteus medius
abduct and medial rotation of hip
o: ilium
i: femur (greater trochanter)
gluteus minimus
abduct and medial rotation of hip
o: ilium
i: femur (greater trochanter)
iliotibial tract
thickened lateral portion of fascia late that extends as tendinous band from iliac crest to knee
tensor fascia latae
abduct and medial rotation of hip, extend and lateral rotation of knee
o: ilium
i: iliotibial tract (IT band)
lateral rotators
lateral rotation and abduct hip
o: sacrum, ilium, ishium
i: femur
iliopsoas
flex hip
o: ilium and vertebrae
i: femur
anterior thigh muscles (extenders)
quadriceps - rectus femoris vastus intermedius vastus medialis vastus lateralis
rectus femoris
extend knee, flex hip
o: ilium
i: tibia (tibial tuberosity), patella
vastus intermedius
extends knee
o: femur
i: tibia (tibial tuberosity), patella
vastus medialis
extends knee (under rectus femoris)
o: femur
i: tibia (tibial tuberosity), patella
vastus lateralis
extends knee
o: femur
i: tibia (tibial tuberosity), patella
sartorius
flex knee; abduct, flex and laterally rotate hip; allows crossing of legs
o: ilium
i: tibia
medial thigh muscles
pectineus
adductor longus
adductor magnus
adductor brevis
pectineus
flex and adduct hip
o: pubis
i: femur
adductor longus
flex, adduct and medial rotation of hip
o: pubis, ischium
i: femur
adductor magnus
flex, adduct and medial rotation of hip
o: pubis, ischium
i: femur
gracilis
flex and medial rotation of knee, adduct and medial rotation of hip
o: pubis
i: tibia
posterior thigh muscles (flexors)
hamstrings -
biceps femoris
semitendinosus
semimembranosus
biceps femoris
flex knee, extend hip
o: ischial tuberosity, femur
i: fibula, tibia
semitendinosus
flex knee
o: ischial tuberosity
i: tibia
semimembranosus
flex knee
o: ischial tuberosity
i: tibia
posterior leg muscles (flexors)
gastrocnemius soleus tibialis posterior flexor digitorum (longus) flexor hallucis longus
gastrocnemius
plantar flexion
o: femur
i: calcaneus
soleus
plantar flexion
o: femur
i: calcaneus
tibialis posterior
plantar flexion, inversion
o: tibia and fibula
i: tarsals and metatarsals
flexor digitorum (longus)
plantar flexion, flex toes 2-5
o: tibia
i: phalanges 2-5
flexor hallucis longus
plantar flexion, flex hallux
o: fibula
i: phalanx of hallux
anterior leg muscles (extensors)
tibialis anterior
extensor digitorum longus
extensor hallucis longus
tibialis anterior
dorsiflexion, inversion
o: tibia
i: metatarsal 1, medial cuneiform
extensor digitorum longus
dorsiflexion, extend toes 2-5
o: tibia, fibula
i: phalanges 2-5
extensor hallucis longus
dorsiflexion, extend hallux
o: fibula
i: phalanx of hallux
lateral leg muscles
fibularis longus and fibularis brevis
fibularis longus
plantar flexion, eversion
o: fibula
i: metatarsals, medial cuneiform
fibularis brevis
plantar flexion, eversion
o: fibula
i: metatarsals, medial cuneiform
