BIO 210 MUSCLES QUESTIONS AND
ANSWERS 100% CORRECT
Gluteus maximus - ANSWER-Extends and laterally rotates thigh; adducts the hip
Gluteus medius - ANSWER-Medially rotates thigh; abducts the hip
Psoas major - ANSWER-Flexes thigh at the hip; flexes vertebral column
Iliacus - ANSWER-Flexes thigh at the hip
Adductor longus - ANSWER-Adducts and flexes thigh at the hip; assists in medial
rotation
Adductor magnus - ANSWER-Adducts and extends thigh at the hip; assists in medial
rotation
Gracilis - ANSWER-Adducts thigh at the hip and flexes leg at the knee; assists in medial
rotation
Semitendinosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Semimembranosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Gastrocnemius - ANSWER-Plantar flexion of ankle
Gastrocnemius - ANSWER-Plantar flexion of ankle
Soleus - ANSWER-Plantar flexion of ankle
Tibialis anterior - ANSWER-Dorsiflexion of foot at the ankle; inversion of foot
Extensor digitorum longus - ANSWER-Extends the lateral four toes; dorsiflexion of
ankle and eversion of foot
Sartorius - ANSWER-Flexes, abducts, and laterally rotates thigh at the hip; flexes knee
Rectus femoris - ANSWER-Extends leg at the knee and flexes thigh at the hip; part of
the quadriceps group
Vastus medialis - ANSWER-Extends leg at the knee; part of the quadriceps group
, Vastus lateralis - ANSWER-Extends leg at the knee; part of the quadriceps group
Psoas major - ANSWER-Flexes thigh at the hip; flexes vertebral column
Gracilis - ANSWER-Adducts thigh at the hip and flexes leg at the knee; assists in medial
rotation
Vastus medialis - ANSWER-Extends leg at the knee; part of the quadriceps group
Biceps femoris - ANSWER-Flexes leg at the knee and extends thigh at the hip; belongs
to the hamstring group
Semitendinosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Semitendinosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Semimembranosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Gastrocnemius - ANSWER-Plantar flexion of ankle
Gastrocnemius - ANSWER-Plantar flexion of ankle
Soleus - ANSWER-Plantar flexion of ankle
Tibialis anterior - ANSWER-Dorsiflexion of foot at the ankle; inversion of foot
Extensor digitorum longus - ANSWER-Extends the lateral four toes; dorsiflexion of
ankle and eversion of foot
Semimembranosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Tibialis anterior - ANSWER-Dorsiflexion of foot at the ankle; inversion of foot
Peroneus brevis - ANSWER-Plantar flexion and eversion of foot
Peroneus brevis - ANSWER-Plantar flexion and eversion of foot
Peroneus brevis - ANSWER-Plantar flexion and eversion of foot
Biceps femoris - ANSWER-Flexes leg at the knee and extends thigh at the hip; belongs
to the hamstring group
ANSWERS 100% CORRECT
Gluteus maximus - ANSWER-Extends and laterally rotates thigh; adducts the hip
Gluteus medius - ANSWER-Medially rotates thigh; abducts the hip
Psoas major - ANSWER-Flexes thigh at the hip; flexes vertebral column
Iliacus - ANSWER-Flexes thigh at the hip
Adductor longus - ANSWER-Adducts and flexes thigh at the hip; assists in medial
rotation
Adductor magnus - ANSWER-Adducts and extends thigh at the hip; assists in medial
rotation
Gracilis - ANSWER-Adducts thigh at the hip and flexes leg at the knee; assists in medial
rotation
Semitendinosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Semimembranosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Gastrocnemius - ANSWER-Plantar flexion of ankle
Gastrocnemius - ANSWER-Plantar flexion of ankle
Soleus - ANSWER-Plantar flexion of ankle
Tibialis anterior - ANSWER-Dorsiflexion of foot at the ankle; inversion of foot
Extensor digitorum longus - ANSWER-Extends the lateral four toes; dorsiflexion of
ankle and eversion of foot
Sartorius - ANSWER-Flexes, abducts, and laterally rotates thigh at the hip; flexes knee
Rectus femoris - ANSWER-Extends leg at the knee and flexes thigh at the hip; part of
the quadriceps group
Vastus medialis - ANSWER-Extends leg at the knee; part of the quadriceps group
, Vastus lateralis - ANSWER-Extends leg at the knee; part of the quadriceps group
Psoas major - ANSWER-Flexes thigh at the hip; flexes vertebral column
Gracilis - ANSWER-Adducts thigh at the hip and flexes leg at the knee; assists in medial
rotation
Vastus medialis - ANSWER-Extends leg at the knee; part of the quadriceps group
Biceps femoris - ANSWER-Flexes leg at the knee and extends thigh at the hip; belongs
to the hamstring group
Semitendinosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Semitendinosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Semimembranosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Gastrocnemius - ANSWER-Plantar flexion of ankle
Gastrocnemius - ANSWER-Plantar flexion of ankle
Soleus - ANSWER-Plantar flexion of ankle
Tibialis anterior - ANSWER-Dorsiflexion of foot at the ankle; inversion of foot
Extensor digitorum longus - ANSWER-Extends the lateral four toes; dorsiflexion of
ankle and eversion of foot
Semimembranosus - ANSWER-Flexes leg at the knee and extends thigh at the hip;
belongs to the hamstring group
Tibialis anterior - ANSWER-Dorsiflexion of foot at the ankle; inversion of foot
Peroneus brevis - ANSWER-Plantar flexion and eversion of foot
Peroneus brevis - ANSWER-Plantar flexion and eversion of foot
Peroneus brevis - ANSWER-Plantar flexion and eversion of foot
Biceps femoris - ANSWER-Flexes leg at the knee and extends thigh at the hip; belongs
to the hamstring group
