Anatomy and Physiology for Exercise and Fitness Instructors Quiz

What is the primary concentric action of the Deltoids muscle?

• Plantar flexion of the ankle

• Extension of the elbow

• Adduction of the hip

• Flexion of the shoulder

Which muscle is responsible for the primary concentric action of flexion of the elbow?

• Rectus Abdominis

• Biceps Brachii

• Triceps brachii

• Erector spinae

What is the primary concentric action of the Transverse Abdominis muscle?

• Extension of the spine

• Compresses and supports the abdomen

• Rotation of the spine

• Flexion of the thoracic and lumber spine

Which muscle is responsible for the primary concentric action of extension of the hip?

• Iliopsoas (hip flexors)

• Gluteus maximus

• Adductors

• Quadricep

What is the primary concentric action of the Hamstring muscle?

• Abduction of the hip

• Dorsi flexion of the ankle

• Plantar flexion of the ankle

• Flexion of the knee

Which muscle is responsible for the primary concentric action of abduction of the hip?

• Gastrocnemius

• Soleus

• Gluteus maximus

• Adductors

What is the primary concentric action of the Gastrocnemius muscle?

• Flexion of the shoulder

• Dorsi flexion of the ankle

• Plantar flexion of the ankle

• Extension of the knee

Which muscle is responsible for the primary concentric action of retraction, elevation and rotation of the scapula?

• Trapezius

• Pectoralis Major

• Latissimus dorsi

• Rhomboids

What is the primary concentric action of the Erector spinae muscle?

• Lateral flexion of the spine

• Flexion of the thoracic and lumber spine

• Extension of the spine

• Rotation of the spine

Which muscle is responsible for the primary concentric action of flexion, adduction and internal rotation of the arm/shoulder?

• Deltoids

• Pectoralis Major

• Biceps Brachii

• Triceps brachii