The Muscular System
50 questions available
Questions
In the context of skeletal muscle attachments, what is the term for the moveable end of the muscle that attaches to the bone being pulled?
View answer and explanationWhat is the primary role of a muscle that is described as an antagonist?
View answer and explanationA muscle that has fascicles arranged in the same direction as its long axis is classified as which type of muscle?
View answer and explanationWhich fascicle arrangement allows a muscle to hold more muscle fibers and produce relatively more tension for its size, but restricts the distance the tendons move?
View answer and explanationHow many muscles comprise the group known as the quadriceps femoris?
View answer and explanationAccording to muscle naming conventions, what does the prefix 'bi' in a muscle name like biceps brachii signify?
View answer and explanationWhich of the following muscles is the main muscle used for chewing due to its action of elevating the mandible to close the mouth?
View answer and explanationWhich muscle, composed of a frontal and an occipital belly connected by the epicranial aponeurosis, is responsible for moving the scalp and eyebrows?
View answer and explanationThe sternocleidomastoid muscle divides the neck into which two distinct regions when viewed from the side?
View answer and explanationWhat is the collective name for the muscle group that forms the majority of the muscle mass of the back and is the primary extensor of the vertebral column?
View answer and explanationWhat is the name of the white, fibrous band made of the bilateral rectus sheaths that join at the anterior midline of the body?
View answer and explanationWhich muscle separates the thoracic and abdominal cavities and is the primary muscle of breathing?
View answer and explanationThe levator ani, the most important muscle of the pelvic floor, consists of which two skeletal muscles?
View answer and explanationWhat is the collective name for the tendons of the subscapularis, supraspinatus, infraspinatus, and teres minor which connect the scapula to the humerus?
View answer and explanationWhich of the following muscles is NOT a flexor of the forearm?
View answer and explanationThe muscles in the superficial posterior compartment of the forearm, such as the extensor carpi radialis longus, originate on which bone?
View answer and explanationThe intrinsic muscles of the hand are divided into three groups. Which group is located on the medial aspect of the palm?
View answer and explanationThe hamstring group, which flexes the knee, is composed of how many long muscles on the back of the knee?
View answer and explanationWhat is the name of the band-like muscle that extends from the anterior superior iliac spine to the medial side of the proximal tibia, allowing a person to sit cross-legged?
View answer and explanationThe muscles of the anterior compartment of the lower leg, such as the tibialis anterior, are generally responsible for what movement?
View answer and explanationWhat is the name of the structure formed by the tendons of the hamstring group at the back of the knee?
View answer and explanationWhich of the following muscle names does NOT make sense based on standard anatomical naming conventions?
View answer and explanationThe term 'brevis' in a muscle name, such as extensor carpi radialis brevis, indicates that the muscle is:
View answer and explanationWhich muscle compresses the cheek and is used for actions like whistling, blowing, and sucking?
View answer and explanationHow many extrinsic eye muscles control the movement of the eyeball?
View answer and explanationThe erector spinae group, the primary extensor of the vertebral column, is comprised of which three groups of muscles?
View answer and explanationWhat is the function of the external intercostal muscles?
View answer and explanationHow many transverse bands of collagen fibers, known as tendinous intersections, typically segment each rectus abdominis muscle?
View answer and explanationWhich muscle, originating on the anterior scapula and rotating the arm medially, is part of the rotator cuff?
View answer and explanationWhich of these muscles is the major abductor of the arm?
View answer and explanationWhich muscle group is responsible for flexing the thigh and extending the leg?
View answer and explanationWhich of the gluteal muscles is the smallest and located deep to the gluteus medius?
View answer and explanationWhat is the most superficial and visible muscle of the calf?
View answer and explanationThe muscles in which compartment of the leg are generally responsible for plantar flexion?
View answer and explanationHow many pairs of abdominal muscles cover the anterior and lateral abdominal region and meet at the anterior midline?
View answer and explanationWhich type of fascicle arrangement is characteristic of sphincters?
View answer and explanationThe psoas major and iliacus muscles make up which muscle group?
View answer and explanationWhich muscle, located deep to the biceps brachii, provides additional power in flexing the forearm?
View answer and explanationThe deltoid muscle is a common example of which subtype of pennate muscle arrangement?
View answer and explanationWhich of the following is NOT one of the four main types of action the forearm can perform at the elbow joint?
View answer and explanationThe 'triceps brachii' muscle is named based on having how many origins?
View answer and explanationThe muscles of the posterior compartment of the thigh are primarily responsible for which two actions?
View answer and explanationHow many muscles does the text identify as making up the hamstring group?
View answer and explanationThe muscles of the anterior thorax that position the pectoral girdle include the subclavius, pectoralis minor, and which other muscle?
View answer and explanationThe rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius are all part of which muscle group?
View answer and explanationWhich muscle originates on the mandible and allows the tongue to move downward and forward?
View answer and explanationWhich muscle is NOT part of the erector spinae group?
View answer and explanationHow many flat skeletal muscles are described in the antero-lateral wall of the abdomen?
View answer and explanationWhat is the collective term for the four muscles (rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius) that extend and stabilize the knee?
View answer and explanationThe superficial muscles in the posterior compartment of the leg, such as the gastrocnemius and soleus, all insert onto which strong tendon?
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