U3L4 - Muscle groups and muscle use

Front

What is the deltoid muscle responsible for?

Back

The deltoid muscle is responsible for shoulder abduction, flexion, and extension.

Front

Identify the muscle group that elevates, depresses, and retracts the scapula.

Back

The trapezius muscle group.

Front

What motion does the gastrocnemius muscle perform?

Back

The gastrocnemius muscle performs plantar flexion of the foot.

Front

Which organelle is known as the powerhouse of the cell and provides energy for muscle contraction?

Back

Mitochondria.

Front

What is the primary function of the quadriceps muscle group?

Back

The quadriceps muscle group is primarily responsible for knee extension.

Front

Name the muscle group located at the back of the upper arm.

Back

The triceps brachii.

Front

What is the role of the pectoral muscles?

Back

The pectoral muscles are responsible for movements of the shoulder joint, including flexion, adduction, and rotation.

Front

Which muscle group is involved in flexing the knee?

Back

The hamstrings.

Front

What is the primary action of the latissimus dorsi muscle?

Back

The latissimus dorsi muscle is responsible for shoulder adduction, extension, and internal rotation.

Front

Identify the muscle group that assists in breathing by elevating the ribs.

Back

The intercostal muscles.