A superficial sheet of muscle in the anterior neck that tenses the skin of the neck and helps depress the mandible and lower lip.
A superficial sheet of muscle in the anterior neck that tenses the skin of the neck and helps depress the mandible and lower lip.
Broad superficial muscle sheet covering the anterolateral neck.
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Muscles pull on skeletal attachments to move bones at joints and hold the skeleton in postural alignment.
Tendons, aponeuroses, and fascial sheaths transmit the contractile force of skeletal muscles onto bones and cartilage.
Contraction of the diaphragm and intercostal muscles changes intrathoracic pressure to draw air into the lungs.