Learn: Muscle Actions pt 2

Semitendinosus muscle

Flexion of the leg at the knee joint.

Semitendinosus muscle

Medial rotation of the leg when flexed at the knee joint.

Semimembranosus muscle

Flexion of the leg at the knee joint.

Semimembranosus muscle

Medial rotation of the leg when flexed at the knee joint.

Gastrocnemius muscle

Flexion of the leg at the knee joint.

Tibialis anterior muscle

Dorsiflexion of the foot at the ankle joint.

Tibialis anterior muscle

Inversion of the foot at the subtalar joint.

Extensor digitorum longus muscle

Dorsiflexion of the foot at the ankle joint.

Extensor digitorum longus muscle

Extension of toes 2-5 at the toe joints.

Fibularis/peronei muscles

Eversion of the foot at the subtalar joint.

Fibularis/peronei muscles

Weak plantar flexion of the foot at the ankle joint.

Gastrocnemius muscle

Plantar flexion of the foot at the ankle joint.

Soleus muscle

Plantar flexion of the foot at the ankle joint.

Flexor digitorum longus muscle

Plantar flexion of the foot at the ankle joint.

Flexor digitorum longus muscle

Flexion of the MP joints of toes 2-5.

Flexor digitorum longus muscle

Flexion of the PIP joints of toes 2-5.

Flexor digitorum longus muscle

Flexion of the DIP joints of toes 2-5.

Psoas minor muscle

Flexion of the trunk at the vertebral joints.

Intrinsic muscles of the foot

Flexion, extension, abduction, and adduction of the toes at the toe joints.

Adductor muscle group

Adduction of the thigh at the hip joint.

. Which of these muscles belongs to the hamstring group?.

Biceps femoris, semitendinosus, and semimembranosus.

Which of these belongs to the quadriceps group?

Rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius.

Which of these is exercised by the “ThighMaster”?

Adductor muscle group.

Which of these muscles cross one joint?

Gluteus maximus

Which of these muscles cross 2 joints?

Sartorius

Which of these muscles is implicated in “shin splints”?

Tibialis anterior.

. Which of these causes inversion of the foot? Eversion?

Inversion: tibialis anterior at the subtalar joint.
Eversion: fibularis/peronei at the subtalar joint.