Musc Sys - Origin, Insertion, Action - Lower - Adv A & P InProgr

Front

What is the iliacus muscle?

Back

The iliacus is a muscle in the pelvis that helps flex the hip joint.

Front

What is the action of the tibialis posterior muscle?

Back

The tibialis posterior muscle is responsible for inversion and plantar flexion of the foot.

Front

Where does the tibialis posterior muscle insert?

Back

The tibialis posterior muscle inserts at the posterior surface of the calcaneus.

Front

What is the action of the tibialis anterior muscle?

Back

The tibialis anterior muscle performs dorsiflexion and inversion of the foot.

Front

What is the function of the extensor digitorum longus muscle?

Back

The extensor digitorum longus muscle is responsible for dorsiflexion of the foot and extension of the four lateral toes.

Front

Define 'insertion' in the context of muscles.

Back

Insertion refers to the point where a muscle attaches to the bone that it moves.

Front

Define 'origin' in the context of muscles.

Back

Origin is the fixed attachment point of a muscle, typically located on the bone that does not move during contraction.

Front

What is the action of the adductor longus muscle?

Back

The adductor longus muscle primarily functions to adduct the thigh.

Front

What is the role of the gracilis muscle?

Back

The gracilis muscle assists in adduction of the thigh and flexion of the knee.

Front

What is the primary action of the psoas major muscle?

Back

The psoas major muscle is primarily responsible for hip flexion.