anatomy & physiology - muscular system gross anatomy

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A muscle that extends both the wrist and the index finger is the

extensor indicis.

A synergist is

a group of muscles that work together to cause movement.

Which of the following is found in the posterior group of forearm muscles?

abductor pollicis longus

Of the following muscles of the thigh, which one is on the posterior side?

biceps femoris

The depressor anguli oris muscle

contributes to pouting.

Contracting the trapezius muscle would

extend and laterally flex the neck.

Which muscle everts and plantar flexes the foot?

fibularis brevis

The rotator cuff muscles

hold the head of the humerus in the glenoid fossa of the scapula.

In the body's lever systems, the

joint represents the fulcrum point.

Label muscle "B" on the diagram. (facial muscles side profile)

masseter

Which of the following muscles is involved in chewing gum?

masseter

Label muscle "E" on the diagram. (facial muscles side profile)

orbicularis oculi

Which of the following muscles of the chest has its insertion on the humerus?

pectoralis major

Which of the following is a group of four muscles in the anterior thigh?

quadriceps femoris

The term "shin splints" is applied to

stress fractures of the tibia 2 to 5 cm distal to the knee.

Which muscle fixes the clavicle or elevates the first rib?

subclavius

Of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards?

supinator

Label muscle "A" on the diagram. (facial muscles side profile)

temporalis

The orbicularis oculi muscle

causes crow's feet wrinkles.

The flexion of the elbow represents a

class III lever system.


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