Muscle System Review Questions
Which of these actions is not performed by the trapezius? Extension of the neck Depression of the scapula Elevation of the scapula Rotation of the scapula Adduction of the humerus
Adduction of the humerus
Which of the following has the least in common with the other four? Vastus intermedius Vastus lateralis Vastus medialis Rectus femoris Biceps femoris
Biceps femoris
Which of the following muscles is the prime mover in spitting out a mouthful of liquid?
Buccinator
Which of these is not in the anterior compartment of the thigh? Semimembranosus Rectus femoris Vastus intermedius Vastus lateralis Sartorius
Semimembranosus
Which muscle(s) can contract without the need for nervous stimulation?
Smooth and cardiac muscle
Which of the following muscles produces plantar flexion of the foot?
Soleus
Which of these muscles is an extensor of the neck?
Splenius capitis
Which of these muscles does not contribute to the rotator cuff? Supraspinatus Infraspinatus Subscapularis Teres major Teres minor
Teres major
Identify, from the list below, an antagonist to the biceps brachii muscle. Brachialis Pectoralis minor Trapezius Triceps brachii
Triceps brachii
Pennate muscles are stronger than parallel muscles of comparable size. T/F
True
The abdominal oblique muscles rotate the vertebral column. T/F
True
The orbicularis oculi and orbicularis oris are sphincters. T/F
True
A muscle that aids in chewing without moving the mandible is the ______.
buccinator
The major superficial muscle of the shoulder, where injections are often given, is the _____.
deltoid
All plantar flexors in the posterior compartment of the calf insert on the heel by way of the calcaneal tendon. T/F
false
Sheets of fibrous connective tissue called _____ separate a muscle or muscle group from neighboring muscles.
fasciae
A muscle that holds a bone still during a particular action is called ______.
fixator
If a muscle has the word hallucis in its name, it must cause movement of the _____.
great toe
Three out of the four rotator cuff muscles insert on the _________ of the humerus.
greater tubercle
The training regimen of a competitive weight lifter is designed partly to __________________.
increase the average number of myofibrils per muscle fiber.
What structure separates the two halves of the rectus abdominis muscle?
linea alba
A fascicle is bounded and defined by the _______.
perimysium
The _____ produce(s) lateral grinding movements of the jaw.
pterygoids
The patella is embedded in the tendon of the _____ muscle.
quadriceps femoris
Both the gastrocnemius and _____ muscles insert on the heel by way of the calcaneal tendon.
soleus
Although warm-up stretching is not needed for full muscle function, it is required to prevent injury to ______ and ________.
tendons and ligaments
The triceps brachii muscle forms which class of lever system?
First class
Rapid flexion of the knee often causes hamstring injuries. T/F
False
Silent pronunciation of skeletal muscles is often a more effective learning strategy than saying it aloud to yourself or a partner. T/F
False
The psoas major is an antagonist of the rectus femoris. T/F
False
The tibialis posterior and tibialis anterior are synergists. T/F
False
Well-exercised muscles generally gain in thickness by the addition of new muscle fibers. T/F
False Muscle growth involves an increase in muscle fiber thickness not in their number
Where does gluteus maximus insert?
Gluteal tuberosity
What muscle inserts on the lesser trochanter of the femur?
Iliopsoas
What is a connective tissue band on the lateral thigh that helps stabilize the knee?
Iliotibial band
What are helpful strategies for learning skeletal muscles of the body.
Look at visuals. Palpate the muscles on your own body. Locate origins and insertions on an articulated skeleton. Study the derivation of muscle names.
Which of the following muscles could you most easily do without?
Palmaris longus
Which muscle from the list is most important for push-ups?
Pectoralis major
What muscle does NOT flex the wrist?
Pronator teres
Which head of the quadriceps femoris extends the knee and flexes the thigh?
Rectus femoris
Which of the following muscles does NOT extend the hip joint? Rectus femoris Gluteus maximus Biceps femoris Semitendinosus Semimembranosus
Rectus femoris
