Muscles of Forelimb Quiz

What is the function of a protractor muscle?

• Draws a body part backward

• Draws a body part forward

• Extends a joint

• Decreases angle between a joint

Which type of muscle originates outside the area where they act?

• Intrinsic

• Protractor

• Extrinsic

• Flexor

What is the role of an extensor muscle?

• Decreases angle between a joint

• Moves the limb away from the median plane

• Extends or straightens by increasing angle between joint

• Pulls the limb toward the medial plane

Which muscle type moves the limb away from the median plane?

• Adductor

• Abductor

• Retractor

• Intrinsic

What is the function of the trapezius muscle?

• Retracts limb

• Protracts limb

• Flexes limb

• Rotates limb

What is one of the functions of the latissimus dorsi muscle?

• Extends the knee

• Flexes the shoulder

• Rotates the neck

• Extends the elbow

Where does the triceps brachii muscle insert?

• Olecranon of ulna

• Greater trochanter of femur

• Acromion of scapula

• Head of radius

What is one of the functions of the triceps brachii muscle?

• Extends elbow joint

• Flexes knee joint

• Rotates hip joint

• Abducts shoulder joint

What is the origin of the Biceps Brachii?

• Supraglenoid tubercle of scapula

• Radial tuberosity

• Ulna

• Humerus

Where does the Biceps Brachii insert?

• Humerus

• Radius (radial tuberosity) and ulna

• Scapula

• Clavicle