Muscle Practical Practice JPS

The Brachialis is a muscle located in the upper arm that flexes the elbow joint. It lies underneath the biceps brachii and is primarily responsible for elbow flexion.

The Masseter is a facial muscle that plays a crucial role in chewing. It is one of the strongest muscles in the human body and is responsible for elevating the mandible (lower jaw) to close the mouth.

The Orbicularis Oculi is a circular muscle around the eye that allows for the closing of the eyelids. It is involved in blinking, squinting, and expressing emotions.

The Rhomboideus Major is a muscle located in the upper back that connects the spine to the scapula. It is responsible for retracting the scapula, pulling it towards the spine.

The Buccinator is a thin, flat muscle located in the cheek area. It helps in chewing by keeping food between the teeth and is also involved in blowing and sucking actions.

The Deltoid is a large, triangular muscle covering the shoulder joint. It is responsible for arm abduction, flexion, and extension.

The Triceps Brachii is a muscle located at the back of the upper arm. It is responsible for extending the elbow joint.

The Platysma is a superficial muscle that covers the neck and lower face. It helps in depressing the mandible and tensing the skin of the neck.

The Latissimus Dorsi is a large muscle in the back that helps in the adduction, extension, and internal rotation of the shoulder joint.

The Satorius is the longest muscle in the human body, running from the hip to the knee. It is involved in flexing, abducting, and laterally rotating the thigh.