Muscles and Joints of the Elbow

Which muscle contracts to move the forearm up?

• Triceps muscle

• Biceps muscle

• Deltoid muscle

• Pectoral muscle

Which joint is an example of a ball-and-socket joint?

• Elbow joint

• Knee joint

• Hip joint

• Ankle joint

What is the function of tendons in the elbow joint?

• Attach muscle to bone

• Connect bone to bone

• Lubricate to reduce friction

• Surround the joint and enclose the synovial cavity

Which muscle contracts to cause extension (straightening) of the arm?

• Biceps muscle

• Triceps muscle

• Deltoid muscle

• Pectoral muscle

Which bone acts as a lever for the biceps muscle?

• Humerus

• Radius

• Ulna

• Scapula

Which part of the elbow joint acts as a lever for the muscles of the elbow?

• Humerus

• Radius

• Ulna

• Cartilage

What is the function of the biceps muscle?

• Contracts to cause extension of the arm

• Contracts to bring about flexion of the arm

• Lubricates to reduce friction

• Connects bone to bone

What is the cytoplasm of muscle fibres called?

• Sarcoplasm

• Sarcolemma

• Myofibril

• Myosin

What is the function of myoglobin in muscle tissue?

• To store glycogen

• To store oxygen and release it when needed

• To contract the muscle

• To produce ATP

What is the main function of muscle tissue?

• To store fat

• To contract and produce movement

• To produce hormones

• To protect internal organs