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Name all of the muscles and their actions involved in jumping up and spiking a volleyball...

Name all of the muscles and their actions involved in jumping up and spiking a volleyball while smiling.

Science   Anatomy-And-Physiology   
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Answer #1

These muscles required for jumping and spiking a volleyball are:

Quadriceps femoris extensors of the leg at the knee joint

Hamstring muscles (biceps femoris,

semitendinosus, and semimembranosus)

 flexion of knee, extension of hip
gluteus maximus, extend and laterally rotate the hip joint
erector spinae muscle group extend the trunk
trapezius elevates, depresses, rotates, and retracts the scapula
posterior deltoids extend the shoulder

Muscles of smiling

Zygomaticus major Pull the angle of the mouth superolaterally
Orbicularis oculi Raises the cheeks
Levator labii superioris Elevates the upper lip
Levator anguli oris Elevates angle of mouth medially
Risorius It helps pull the angle of the mouth towards the side of the person's face to produce a grin or smile
Zygomaticus minor Elevates upper lip
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