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The type of muscle whose functional characteristics most closely resemble those of its muscle fibers is the ___ muscles.
Skeletal muscles in which the fascicles form a common angle with the tendon are ___ muscles.
The most common lever system in the body are those thst have applied force between the fulcrum and the load. These are called ___ levers.
all: flexion, medial rotation, adduction
The pectoralis major muscle inserts on the tubercle of the humerus. When it contracts, it produces:
Which of the following muscles does not have an action that is antagonistic to the action of the brachialis muscle?
All of the following are innervated by the facial nerve (N VII), except for the ____ muscle.
elevates the larynx and depresses the mandible
Which of the following describes the action of the digastric muscle?
The muscle that inserts on the superior surface of the pubis around the symphysis is the:
all: external oblique, rectus abdominis, transverse abdominis
Which of the following muscles compresses the abdomen?
collagen sheath at the base of the clitoris
Which of the following is the origin of the bulbospongiosus?
both: rhomboid major, & trapezius
The spinous process of the upper thoracic vertebrae are the origin of the:
the greater tubercle of the humerus
Which of the following is the insertion of the pectoralis major?
protracts the shoulder, abducts and medially rotates the scapula
Which of the following describes the action of the serratus anterior?
The muscle that inserts on the iliotibial tract and gluteal tuberosity of the femur is the:
tensor fasciae latae
Muscles that laterally rotate the thigh include all of the following, except the:
The inferior ramus of the pubis is the origin and the medial tibia is the insertion of the ___ muscle.
all: vastus; lateralis, medialis, & intermedius
A muscle that originates along the linea aspera of the femur is:
the inferior surface of the distal phalanx of the great toe
The insertion of the flexor hallucis longus is:
B) pectoral girdle
The freedom of movement is relatively greater in the: a) pelvic girdle b) pectoral girdle
In a 6.45-cm2 (1-inch2) cross section, parallel muscle can exert approximately ___ of isometric tension.
___ muscle fibers pull in different directions, permitting different actions depending on stimulation.
both: prime mover, & antagonist
A ___ is a muscle whose contraction is chiefly responsible for producing a particular movement.
the muscles of vocal expression
The axial muscles of the head and neck are assigned to one of the following functional groups, except:
Which eye muscle sends its tendon of origin through a pulley or trochlea before inserting on the globe?
In assessing a stroke patient, you ask her to stick our ( protract) her toungue. You note that it deviates to one side. You suspect that damage to the neural control of the ___ muscle has occurred.
Contracting the gastrocnemius muscles to elevate the body on the toes involves a ___ lever.
both: lateral rectus, & medial rectus
Ryan hears a loud noise and quickly turns his eyes sideways in the direction of the sound. To accomplish this action he must use his ___ muscles.
During abdominal surgeon, the surgeon makes a cut lateral to the linea alba. The muscle that would be cutt is the:
both: elevates the eyebrow, & raises the upper eyelid
Which of these is true about the muscle named levator palpebrae surperioris?
The leverage of biceps brachii applies its force six times closer to the fulcrum (elbow joint) then the resistance. This means it will need to exert ___ kg of force to support a load of 6 kg.
Each of the following muscles is involved in the process of chewing or manipulationg food in the mouth, except the:
Damage to which of the following muscles would interfere most with the ability to breathe?
both: extending you hip, & laterally rotating your hip
If you bruised your gluteus maximus, you would experience discomfort when:
Tom is having difficulty plantar flexing and everting his foot. Which muscles is most likely involved in this problem?
all of the above
If the anterior compartment of the lower limb was suffering from "compartmnet syndrome" which of these muscles would be at risk of injury?
the buccinator and orbicularis oris
Tom, a trumpet player, asks you which muscles he should develop in order to be a better trumpeter. What would you tell him?
Pam's daughter is born cross-eyed. As she grows, the problem does not become any better. Her physician suggest cutting and eye muscle to bring the eyes into a more
flex and adduct her hand
Jill suffers a severe cut that severs the tendon that attaches the insertion of the floxor carpi ulnaris. As a result of this injury, what action is difficult for her to perform?
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