Muscle Functions in the Forearm

What is the primary function of the Supinator Radii Brevis muscle?

• Flexes the wrist

• Rotates the forearm so the palm faces upward

• Extends the wrist

• Abducts the wrist

Where does the Supinator Radii Brevis muscle originate?

• Medial epicondyle of the humerus

• Lateral epicondyle of the humerus

• Base of the second metacarpal

• Upper part of the ulna

Which bone does the Supinator Radii Brevis muscle wrap around?

• Ulna

• Humerus

• Radius

• Scapula

What is the function of the Flexor Carpi Radialis muscle during contraction?

• Extends the wrist

• Flexes and abducts the wrist

• Supinates the forearm

• Pronates the forearm

Where does the Flexor Carpi Radialis muscle insert?

• Upper radius

• Base of the second and third metacarpals

• Lateral epicondyle of the humerus

• Upper ulna

What is the role of the Supinator Radii Brevis muscle in terms of posture and stability?

• Stabilises the wrist during flexion

• Stabilises the forearm during twisting motions

• Stabilises the shoulder during abduction

• Stabilises the elbow during extension

Which movement is primarily associated with the Flexor Carpi Radialis muscle?

• Supination of the forearm

• Flexion and abduction of the wrist

• Extension of the elbow

• Pronation of the forearm

What is the origin of the Flexor Carpi Radialis muscle?

• Lateral epicondyle of the humerus

• Medial epicondyle of the humerus

• Base of the first metacarpal

• Upper radius

Which muscle helps in stabilising the wrist during gripping movements?

• Supinator Radii Brevis

• Flexor Carpi Radialis

• Extensor Carpi

• Biceps Brachii

What is the primary movement facilitated by the Supinator Radii Brevis muscle?

• Flexion of the wrist

• Supination of the forearm

• Extension of the wrist

• Pronation of the forearm