Intermediate Flexor Carpi Ulnaris Muscle Quiz

Q1. From where does the humeral head of flexor carpi ulnaris originate?

• Medial epicondyle of the humerus
• Radial tuberosity
• Lateral epicondyle of the humerus
• Lateral supracondylar ridge

Q2. From where does the ulnar head of flexor carpi ulnaris arise?

• Olecranon and posterior border of the ulna
• Coronoid process and anterior radius
• Lateral epicondyle and supinator crest
• Radial tuberosity and interosseous membrane

Q3. Which nerve passes between the humeral and ulnar heads of flexor carpi ulnaris?

• Anterior interosseous nerve
• Median nerve
• Ulnar nerve
• Radial nerve

Q4. Which spinal nerve roots contribute most commonly to the motor supply of flexor carpi ulnaris?

• T2 and T3
• C3 and C4
• C5 and C6 only
• C8 and T1

Q5. Through which ligament is the pull of flexor carpi ulnaris transmitted from the pisiform to the hook of the hamate?

• Radial collateral ligament
• Pisohamate ligament
• Annular ligament
• Coracoacromial ligament

Q6. Through which ligament is the pull of flexor carpi ulnaris transmitted from the pisiform toward the base of the fifth metacarpal?

• Transverse humeral ligament
• Pisometacarpal ligament
• Ulnar collateral ligament of the elbow
• Palmar radiocarpal ligament

Q7. Which statement best describes the relationship of the flexor carpi ulnaris tendon to the flexor retinaculum?

• It passes superficial to the flexor retinaculum and does not enter the carpal tunnel
• It passes beneath the extensor retinaculum
• It terminates proximal to the flexor retinaculum
• It passes through the carpal tunnel with the median nerve

Q8. Which muscle can act with flexor carpi ulnaris to produce ulnar deviation while their opposing flexion and extension components partially balance?

• Extensor carpi ulnaris
• Extensor carpi radialis longus
• Flexor carpi radialis
• Extensor pollicis longus

Q9. Which movement combination best emphasizes flexor carpi ulnaris during physical examination?

• Wrist extension with radial deviation
• Wrist flexion with ulnar deviation
• Finger extension with supination
• Thumb opposition with pronation

Q10. Which structure is contained within the tendon of flexor carpi ulnaris?

• Pisiform
• Scaphoid
• Trapezoid
• Capitate