Voluntary Muscles and Their Functions in the Body

What is the function of the deltoid muscle?

• Flexion of the elbow

• Abduction of the shoulder

• Extension of the knee

• Plantar flexion of the ankle

Which muscle is responsible for the adduction of the shoulder?

• Tibialis anterior

• Pectoralis major

• Biceps

• Gastrocnemius

What is the primary function of the triceps?

• Rotate the trunk

• Flex the elbow

• Extend the elbow

• Flex the knee

Which muscle is involved in trunk rotation?

• External obliques

• Gluteus maximus

• Quadriceps

• Latissimus dorsi

What is the function of the latissimus dorsi?

• Knee extension

• Hip flexion

• Ankle dorsiflexion

• Shoulder adduction

Which muscle is responsible for hip flexion?

• Hamstrings

• Hip flexors

• Deltoid

• Triceps

What is the primary function of the gluteus maximus?

• Hip extension

• Elbow flexion

• Knee flexion

• Shoulder abduction

Which muscle extends the knee?

• External obliques

• Biceps

• Quadriceps

• Gastrocnemius

What is the function of the hamstrings?

• Rotate the trunk

• Adduct the shoulder

• Extend the elbow

• Flex the knee

Which muscle is responsible for plantar flexion of the ankle?

• Hip flexors

• Tibialis anterior

• Gastrocnemius

• Latissimus dorsi