NEET 2025 MCQ with Answer Explanation : “Locomotion and Movement”.

MCQ 131
Which joint allows for rotation of the head?

A) Hinge joint
B) Pivot joint
C) Ball-and-socket joint
D) Gliding joint

Answer: B) Pivot joint
Explanation: The joint between the first and second cervical vertebrae (atlantoaxial joint) is a pivot joint that allows head rotation.

MCQ 132
What is the main action of the sartorius muscle?

A) Flex the knee
B) Flex the hip
C) Abduct the thigh
D) All of the above

Answer: D) All of the above
Explanation: The sartorius muscle flexes the hip and knee while also assisting in thigh abduction.

MCQ 133
What is the function of the gastrocnemius during running?

A) Dorsiflex the foot
B) Plantar flex the foot
C) Flex the knee
D) A and C

Answer: B) Plantar flex the foot
Explanation: The gastrocnemius primarily plantar flexes the foot during running and jumping.

MCQ 134
Which muscle is the primary extensor of the hip?

A) Rectus femoris
B) Gluteus maximus
C) Iliopsoas
D) Hamstrings

Answer: B) Gluteus maximus
Explanation: The gluteus maximus is the main muscle responsible for hip extension during activities like climbing and standing.

MCQ 135
What is the role of the pectoralis minor?

A) Stabilize the shoulder
B) Adduct the arm
C) Protract the scapula
D) Flex the elbow

Answer: C) Protract the scapula
Explanation: The pectoralis minor muscle helps protract and stabilize the scapula during shoulder movements.

MCQ 136
Which of the following muscles is involved in external rotation of the shoulder?

A) Infraspinatus
B) Subscapularis
C) Supraspinatus
D) Teres major

Answer: A) Infraspinatus
Explanation: The infraspinatus muscle is primarily responsible for externally rotating the shoulder.

MCQ 137
What is the primary function of the rectus femoris muscle?

A) Flex the hip
B) Extend the knee
C) A and B
D) Abduct the thigh

Answer: C) A and B
Explanation: The rectus femoris both flexes the hip and extends the knee, making it a key muscle in leg movements.

MCQ 138
Which muscle is primarily responsible for inversion of the foot?

A) Tibialis anterior
B) Gastrocnemius
C) Peroneus longus
D) Soleus

Answer: A) Tibialis anterior
Explanation: The tibialis anterior muscle is responsible for dorsiflexion and inversion of the foot.

MCQ 139
What type of joint is found in the ankle?

A) Hinge joint
B) Ball-and-socket joint
C) Pivot joint
D) Saddle joint

Answer: A) Hinge joint
Explanation: The ankle joint is primarily a hinge joint, allowing for dorsiflexion and plantar flexion.

MCQ 140
What is the role of the teres major muscle?

A) Adduct the arm
B) Rotate the arm
C) Extend the arm
D) All of the above

Answer: D) All of the above
Explanation: The teres major muscle is involved in adducting, extending, and medially rotating the arm.