Major Muscle Groups Quiz: Test Your Knowledge of Body Muscles

Question 1

Which of the following muscle groups is primarily responsible for extending the knee joint?

Accepted Answer

Quadriceps: Extends the knee and flexes the hip

Answer

Hamstrings: Flexes the knee and extends the hip

Answer

Calves: Plantar flexes the foot and inverts it

Answer

Glutes: Extend the hip and externally rotate it

Question 2

Identify the nerve that innervates the deltoid muscle, which abducts the arm at the shoulder joint:

Accepted Answer

Radial nerve: Innervates the muscles of the posterior arm and forearm

Answer

Median nerve: Innervates the muscles of the anterior forearm

Answer

Ulnar nerve: Innervates the muscles of the medial hand

Answer

Femoral nerve: Innervates the muscles of the anterior thigh

Question 3

Which of the following muscles is NOT part of the rotator cuff, a group of muscles that stabilize the shoulder joint?

Accepted Answer

Triceps brachii: Extends the elbow joint

Answer

Supraspinatus: Abducts the arm and initiates external rotation

Answer

Infraspinatus: Externally rotates the arm

Answer

Teres minor: Externally rotates the arm

Question 4

The muscle that is primarily responsible for dorsiflexing the foot, lifting it towards the shin, is the:

Accepted Answer

Tibialis anterior: Dorsiflexes the foot and inverts it

Answer

Gastrocnemius: Plantar flexes the foot

Answer

Soleus: Plantar flexes the foot

Answer

Peroneus longus: Everts the foot and plantar flexes it

Question 5

Which of the following muscle groups is located in the posterior compartment of the thigh, responsible for knee flexion?

Accepted Answer

Hamstrings: Located in the posterior compartment, flexes the knee

Answer

Quadriceps: Located in the anterior compartment, extends the knee

Answer

Calves: Located in the posterior compartment, plantar flexes the foot

Answer

Glutes: Located in the posterior compartment, extends the hip

Question 6

The sternocleidomastoid muscle primarily functions to:

Accepted Answer

Rotate the head to the opposite side and flex it forward

Answer

Flex the head forward and laterally flex it to the same side

Answer

Extend the head backward and laterally flex it to the opposite side

Answer

Laterally flex the head to the same side and extend it backward

Question 7

The muscle that abducts the arm at the shoulder joint, lifting it away from the body, is the:

Accepted Answer

Deltoid: Abducts the arm and flexes it

Answer

Pectoralis major: Adducts the arm and medially rotates it

Answer

Trapezius: Elevates the scapula and extends the neck

Answer

Biceps brachii: Flexes the elbow joint and supinates the forearm

Question 8

Which of the following muscles is involved in respiration, aiding in the expansion and contraction of the lungs?

Accepted Answer

Diaphragm: Primary muscle of inspiration

Answer

Rectus abdominis: Flexes the trunk forward

Answer

Quadriceps: Extends the knee joint

Answer

Biceps brachii: Flexes the elbow joint

Question 9

Which nerve is the primary innervator of the quadriceps muscle group?

Accepted Answer

Femoral nerve

Answer

Sciatic nerve

Answer

Tibial nerve

Question 10

Identify the anatomical landmarks that define the deltoid muscle, and explain their relevance to its function.

Accepted Answer

Originating from the clavicle, acromion, and scapula, the deltoid muscle facilitates arm abduction and external rotation.

Answer

Arising from the sternum, rib cage, and vertebrae, the deltoid muscle primarily flexes and extends the spine.

Answer

Located in the lower extremity, the deltoid muscle contributes to knee flexion and extension.

Answer

Positioned in the forearm, the deltoid muscle enables wrist flexion and extension.

Question 11

Which type of muscle injury occurs most frequently?

Accepted Answer

Strain

Answer

Bruise

Answer

Sprain

Question 12

Which muscle groups work together to flex the elbow?

Accepted Answer

Biceps brachii (agonist) contracts, triceps brachii (antagonist) relaxes

Answer

Triceps brachii (agonist) contracts, biceps brachii (antagonist) resists

Answer

Both biceps brachii and triceps brachii contract simultaneously

Answer

Antagonist muscle group plays a stronger role than the agonist muscle group

Question 13

Which of the following is a primary function of the major muscle groups in the human body?

Accepted Answer

Facilitate voluntary movement

Accepted Answer

Maintain body posture and stability

Answer

Assist in digestion

Answer

Regulate blood glucose levels

Question 14

Which of the following muscle groups is primarily responsible for extending the knee joint?

Accepted Answer

Quadriceps

Answer

Hamstrings

Answer

Calves

Answer

Gluteus maximus

Question 15

The deltoid muscle receives its primary innervation from which nerve?

Accepted Answer

Axillary nerve

Answer

Radial nerve

Answer

Median nerve

Answer

Ulnar nerve

Question 16

Which of the following is NOT a key function of the muscular system?

Accepted Answer

Respiration

Answer

Mobility

Answer

Stability

Answer

Heat production

Question 17

The biceps brachii muscle is situated on which side of the upper arm?

Accepted Answer

Answer

Posterior

Answer

Lateral

Answer

Medial

Question 18

The primary blood supply to skeletal muscles originates from which major artery?

Accepted Answer

Aorta

Answer

Pulmonary arteries

Answer

Vena cavae

Answer

Hepatic artery

Question 19

Which muscle group is involved in both internal and external rotation of the hip joint?

Accepted Answer

Gluteus medius and gluteus minimus

Answer

Adductor magnus and adductor longus

Answer

Iliopsoas and pectineus

Answer

Tensor fasciae latae and gluteus maximus

Question 20

The primary neurotransmitter released at the neuromuscular junction is:

Accepted Answer

Acetylcholine

Answer

Norepinephrine

Answer

Dopamine

Answer

Serotonin

Question 21

How does the innervation of a muscle impact its function and clinical significance?

Accepted Answer

Innervation controls muscle contraction and relaxation, affecting function and clinical implications like weakness or paralysis.

Answer

Innervation only provides sensory information, not influencing function or clinical relevance.

Answer

Innervation has no relation to muscle function or clinical implications.

Answer

Innervation affects muscle function but has no clinical implications.

Question 22

Which muscle group extends the knee joint?

Accepted Answer

Quadriceps femoris

Answer

Hamstrings

Answer

Calf muscles

Answer

Gluteal muscles

Question 23

In which region of the upper limb is the biceps brachii muscle located?

Accepted Answer

Anterior (front)

Answer

Posterior (back)

Answer

Lateral (side)

Answer

Medial (inner)

Question 24

Which of the following muscle groups is involved in bringing the thigh towards the midline of the body (adduction)?

Accepted Answer

Adductors

Answer

Abductors

Answer

Extensors

Answer

Flexors

Question 25

From which vertebrae does the trapezius muscle originate?

Accepted Answer

Thoracic and cervical (chest and neck)

Answer

Cervical only (neck)

Answer

Lumbar only (lower back)

Answer

Lumbar and thoracic (lower back and chest)

Question 26

Which nerve provides the innervation (sensory and motor supply) to the gastrocnemius muscle in the calf?

Accepted Answer

Tibial nerve

Answer

Sciatic nerve

Answer

Musculocutaneous nerve

Answer

Femoral nerve

Question 27

What is the primary movement of the scapula (shoulder blade) produced by the serratus anterior muscle?

Accepted Answer

Protraction (forward movement)

Answer

Depression (downward movement)

Answer

Retraction (backward movement)

Answer

Elevation (upward movement)

Question 28

Which of the following is a major action performed by the gluteus maximus muscle?

Accepted Answer

Hip extension (backward movement)

Answer

Hip flexion (forward movement)

Answer

Knee flexion (bending)

Answer

Ankle dorsiflexion (lifting the foot upwards)

Question 29

In which region of the trunk is the latissimus dorsi muscle primarily located?

Accepted Answer

Posterior (back)

Answer

Lateral (side)

Answer

Anterior (front)

Question 30

Which of the following is NOT considered a major muscle group of the upper body?

Accepted Answer

Quadriceps

Answer

Deltoids

Answer

Trapezius

Answer

Biceps brachii

Question 31

Which muscle is primarily responsible for extending the knee joint?

Accepted Answer

Vastus lateralis

Answer

Gluteus maximus

Answer

Gastrocnemius

Answer

Hamstrings

Question 32

Which of the following muscle groups is primarily responsible for plantar flexion of the foot?

Accepted Answer

Calf muscles

Answer

Quadriceps

Answer

Hamstrings

Question 33

Which muscle is located on the anterior aspect of the thigh and assists in hip flexion?

Accepted Answer

Rectus femoris

Answer

Biceps femoris

Answer

Vastus medialis

Answer

Gastrocnemius

Question 34

Which type of muscle fiber is characterized by slow contractions but high endurance?

Accepted Answer

Type I

Answer

Type IIa

Answer

Type IIb

Answer

Type IIx

Question 35

Which muscle group is primarily responsible for shoulder flexion?

Accepted Answer

Anterior deltoids

Answer

Trapezius

Answer

Posterior deltoids

Answer

Rhomboids

Question 36

Which muscle group is responsible for extending the knee joint?

Accepted Answer

Quadriceps

Answer

Hamstrings

Answer

Calves

Question 37

Which muscle group primarily initiates flexion of the hip joint?

Accepted Answer

Iliopsoas

Answer

Adductors

Answer

Hamstrings

Answer

Quadriceps

Question 38

What is the primary muscle group involved in bringing the upper arm toward the body?

Accepted Answer

Pectoralis major

Answer

Latissimus dorsi

Answer

Deltoids

Answer

Trapezius

Question 39

Which muscle group receives innervation from the facial nerve?

Accepted Answer

Muscles of facial expression

Answer

Muscles of mastication

Answer

Muscles of the neck

Question 40

What is the name of the muscle group that covers the front of the thigh?

Accepted Answer

Quadriceps

Answer

Calves

Answer

Hamstrings

Answer

Adductors

Question 41

What is the largest muscle in the human body?

Accepted Answer

Gluteus maximus

Answer

Pectoralis major

Answer

Trapezius

Answer

Quadriceps

Question 42

Which muscle group is responsible for bending the elbow joint?

Accepted Answer

Biceps brachii

Answer

Brachioradialis

Answer

Triceps brachii

Answer

Deltoids

Question 43

What type of muscle tissue is found in the walls of internal organs and blood vessels?

Accepted Answer

Smooth muscle

Answer

Cardiac muscle

Answer

Skeletal muscle

Answer

Muscles of facial expression

Question 44

Which muscle group is primarily responsible for extending the elbow joint?

Accepted Answer

Triceps brachii

Answer

Biceps brachii

Answer

Brachioradialis

Question 45

Which muscle group is primarily responsible for abducting the thigh at the hip joint?

Accepted Answer

Gluteus medius

Answer

Iliopsoas

Answer

Adductor magnus

Answer

Gluteus maximus

Question 46

Which muscle group is primarily responsible for dorsiflexing the ankle joint?

Accepted Answer

Tibialis anterior

Answer

Soleus

Answer

Gastrocnemius

Answer

Peroneus longus

Question 47

Which muscle group is primarily innervated by the radial nerve?

Accepted Answer

Triceps brachii

Answer

Brachialis

Answer

Deltoid

Answer

Biceps brachii

Question 48

Which muscle group is the primary muscle involved in respiration?

Accepted Answer

Diaphragm

Answer

Internal obliques

Answer

External obliques

Answer

Rectus abdominis

Question 49

Which muscle group is considered the largest muscle in the human body?

Accepted Answer

Gluteus maximus

Answer

Hamstrings

Answer

Gastrocnemius

Answer

Quadriceps femoris

Question 50

Which muscle group is primarily responsible for extending the knee joint?

Accepted Answer

Quadriceps femoris

Answer

Gastrocnemius

Answer

Hamstrings

Answer

Gluteus maximus

Question 51

The muscle responsible for dorsiflexion of the foot is the:

Accepted Answer

Tibialis anterior

Answer

Gastrocnemius

Answer

Soleus

Answer

Biceps femoris

Question 52

Which of the following muscles is NOT part of the rotator cuff?

Accepted Answer

Deltoid

Answer

Supraspinatus

Answer

Infraspinatus

Answer

Teres minor

Question 53

The muscle that allows you to raise your eyebrows is the:

Accepted Answer

Frontalis

Answer

Orbicularis oculi

Answer

Temporalis

Answer

Masseter

Question 54

A patient presents with difficulty in flexing their elbow. Which muscle group is likely affected?

Accepted Answer

Biceps brachii

Answer

Deltoid

Answer

Triceps brachii

Answer

Pectoralis major

Question 55

Which nerve innervates the quadriceps femoris muscle group?

Accepted Answer

Femoral nerve

Answer

Sciatic nerve

Answer

Peroneal nerve

Answer

Tibial nerve

Question 56

The muscle that allows you to extend your forearm is the:

Accepted Answer

Triceps brachii

Answer

Brachioradialis

Answer

Biceps brachii

Answer

Brachialis

Question 57

Which muscle group is responsible for both flexion and abduction of the shoulder joint?

Accepted Answer

Deltoid

Answer

Latissimus dorsi

Answer

Rotator cuff

Answer

Pectoralis major

Question 58

The muscle that allows you to close your jaw is the:

Accepted Answer

Masseter

Answer

Sternocleidomastoid

Answer

Temporalis

Answer

Trapezius

Question 59

Which of the following muscles is NOT involved in the movement of the hip joint?

Accepted Answer

Serratus anterior

Answer

Piriformis

Answer

Gluteus maximus