Muscles Flashcards
Parallel Muscles
Fascicles run parallel to the long axis of the muscle. (Ect. Sartorius)
Fusiform
Spindle shaped muscles ( ect. Biceps brachii )
Pennate
Short fascicles that attach obliquely to a central tendon running the length of the muscle. ( ect. Rectus femoris )
Convergent
Fascicles converge from a broad origin to a single tendon insertion ( ect. Pectoralis major )
Circular
Fascicles are arranged in concentric rings ( ect. Orbicularis oris )
Main muscle of the scalp
Epicranius
Muscle that depresses the hyoid bone
Sternohyoid
Muscle that closes lips
Orbicularis oris
Muscle that holds food between teeth during chewing
Buccinator
Muscle that helps depress mandible
Platysma
Protects eyes from intense light
Orbicularis Oculi
Raises eyebrows
Frontalis
Rotates head left and right
Sternocleidomastoid
Elevates, protrudes and retracts the mandible
Masseter
Smiling Muscles
Zygomaticus ( major and minor )