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level: Muscles of Pelvis and Lower Limb

Questions and Answers List

level questions: Muscles of Pelvis and Lower Limb

QuestionAnswer
What muscle is this? Function?psoas major; flexor of the thigh; sits up the upper body
What muscle? Function?vastus medialis; extension of leg at knee joint
What muscle? Function?vastus intermedius; extension of leg at knee joint
What muscle is this?iliacus; flexor of the thigh, flexes the trunk in sitting up
What muscle? Function?gluteus maximus; abducts, adducts, and laterally rotates the hip
What muscle? Function?gluteus medius; abducts the thigh, stabilizes hip
What muscle? Function?piriformis; stabilization of hip, rotation/abduction/extension of hip
What muscle? Function?superior gemellus; acts as abductors when the thigh is flexed; external rotation/adduction/extension of hip
What muscle? Function?obturator internus; laterally rotates thigh when extended; abducts thigh when flexed
What muscle? Function?inferior gemellus; external rotation/adduction/extension of hip; abductors when thigh is flexed
What muscle? Function?quadratus femurs; external rotation and adduction of hip
What muscle? Function?sartorius; flexes and internally rotates leg at knee
What muscle? Function?rectus femoris; extension of leg at knee joint, flexion of hip
What muscle? Function?adductor Magnus; adducts thigh powerfully; rotates thigh medially
What muscle? Function?adductor longus; adducts thigh powerfully; rotates thigh medially
What muscle?pectineus; externally rotates thigh
What muscle? Function?gracilis; adductor of thigh, flexes leg at knee and rotates it inward
What muscle group?quadriceps femoris
What muscle? Function?biceps femoris; flexes leg at knee joint, rotates tibia outwards
What muscle? Function?semitendinosus; rotates leg inward, flexes leg at knee joint
What muscle? Function?semimembranosus; flexes leg at knee joint, rotates leg inward
What muscles make up the hamstring?biceps femoris, semitendinosus, semimembranosus
What muscle? Function?tibialis anterior; dorsiflexion and inversion of foot
What muscle? Function?extensor digitorum longus; extends digits 2-5, dorsiflexes foot
What muscle? Function?fibularis tertius; dorsiflexes and everts foot at ankle
What muscle? Function?fibularis longus; plantarflexes and pronates foot, supports transverse arch of foot
What muscle? Function?fibularis brevis; plantarflex and pronate foot
What muscle? Function?gastrocnemius; plantar flexion of foot, flexes leg at knee joint
What muscle? Function?soleus; plantar flexion of foot
What muscle? Function?plantaris; flexes the knee, assists plantar flexion of foot
What muscle? Function?popliteus; unlocks and flexes the knee, assists in medial rotation of tibia
What muscle? Function?tibialis posterior; plantar flexion of foot, inverts and adducts foot
What muscle? Function?flexor digitorum longus; flexion of phalanges of distal joints 2-5, inversion and plantar flexion of foot
What muscle? Function?flexor hallucis longus; flexion of distal phalanx (hallux), inversion and plantar flexion of foot
What hormones are found in the hypothalamus?1. growth-hormone releasing hormone 2. growth-hormone inhibiting hormone 3. thyrotropin-releasing hormone (TRH) 4. corticotropin-releasing hormone (CRH) 5. gonadotropin-releasing hormone (GRH) 6. prolactin-inhibiting hormone (PIH)
What muscle? Function?vastus lateralis; extension of leg at knee joint