Anatomy Chapter 6 Pearson Questions
the bone that moves when the muscle contracts
A muscle inserts on which of the following?
buccinator
A nursing infant develops a powerful sucking muscle that adults also use for whistling or blowing a trumpet called the ________.
attaches to fibers of another facial muscle
At its insertion (unlike at its origin), the buccinator muscle __________.
thigh extension and knee flexion
Jason injured his hamstring muscle group during football practice. He will be unable to perform ________.
brachialis
Like the biceps brachii muscle, which muscle is a prime mover in elbow flexion?
flexion and extension
Movement of the elbow joint movement is limited to __________.
pronation and supination
Movement of the forearm includes __________.
False
Plantar flexion at the ankle joint is accomplished by the tibialis anterior muscle.
abduction
Primary action of the deltoid
flexion
Primary action of the rectus abdominis
false
Supination and pronation refer to up and down movements of the foot at the ankle.
compresses the cheeks
The buccinator muscle __________.
facial nerve
The buccinator muscle is innervated by the __________.
True
The deepest muscle of the abdominal wall is the transversus abdominis.
False
The deltoid is a prime mover of arm adduction.
mandibular
The masseter is innervated by the _____________ branch of the trigeminal nerve.
medial surfaces of the maxilla and the zygomatic arch as well as the inferior border of the zygomatic arch
The masseter muscle originates on the __________.
rotation
The movement of a bone around its longitudinal axis
deltoid
The prime mover of arm abduction is the ________ muscle.
trigeminal nerve
The temporalis muscle is innervated by the mandibular branch of the __________.
temporal fossa; coronoid process of mandible
The temporalis muscle originates on the __________ and inserts on the __________.
extension
primary action of the erector spinae
inversion
type of movement that turns the sole of the foot medially
Supination
Type of movement that allows you to carry a soup bowl
knee extension
What is the main function of the quadriceps group?
supination
Which movement is associated with the hand but actually occurs in the forearm?
adductor group
Which muscle group adducts the thighs?
hamstring group
Which muscle group includes the biceps femoris, semimembranosus, and semitendinosus?
rectus abdominis
Which muscle helps compress the abdominal contents during defecation or childbirth?
latissimus dorsi
Which of the following consists of two large, flat muscles that cover the lower back?
temporalis
Which of the following muscles acts as a synergist to masseter and closes the jaw?
sternocleidomastoid
Which of these muscles is located in the neck?
pectoralis major
Which of these muscles is located on the ventral (anterior) side of the body?
latissimus dorsi
Which of these muscles moves the upper limb?
Deltoid
Which of these terms refers to the shape of a muscle?