15 Questions
Which muscle is located in the superficial compartment of the anterior forearm?
Pronator teres
What is the origin of Pronator teres muscle?
Medial border of coronoid process
Which muscle is NOT part of the superficial compartment of the anterior forearm?
Flexor digitorum profundus
What is the main function of the Flexor carpi radialis muscle?
Flexion of the wrist
Which muscle is located in the middle compartment of the anterior forearm?
Flexor digitorum superficialis
Which vein is a superficial vein in the forearm?
Median vein of forearm
Which structure forms the floor of the cubital fossa?
Brachialis muscle
Which muscle originates from the medial epicondyle, CFT, and antebrachial fascia and is responsible for flexion and abduction of the wrist?
Flexor carpi radialis
What is the function of the pronator quadratus muscle?
Pronates the forearm
Which muscle primarily flexes the distal phalanx of the thumb?
Flexor pollicis longus
What nerve innervates the Flexor carpi radialis muscle?
Median nerve
The Cubital Fossa is bounded by which two muscles on its lateral and medial sides?
Pronator teres and brachioradialis
What is the insertion site for Flexor carpi ulnaris?
Pisiform, 5th metacarpal bone
Which muscle is responsible for flexing the proximal phalanx of the fingers?
Flexor digitorum superficialis
What is the function of the Palmaris longus muscle?
Flexion of the wrist and stretches the palmar aponeurosis
Study Notes
Muscles of the Anterior Forearm
- Pronator teres muscle: originates from ulnar head, medial border of coronoid process, and inserts into anterior surface of radius; functions in pronation and weak flexion of forearm; innervated by median nerve
- Flexor carpi radialis muscle: originates from medial epicondyle, CFT, and antebrachial fascia; inserts into base of 1st and 2nd metacarpal; functions in flexion and abduction of the wrist; innervated by median nerve
- Palmaris longus muscle: originates from medial epicondyle, CFT, and antebrachial fascia; inserts into flexor retinaculum and palmar aponeurosis; functions in flexion of the wrist and stretches the palmar aponeurosis; innervated by median nerve
- Flexor carpi ulnaris muscle: originates from humeral head, medial epicondyle, and inserts into pisiform and 5th metacarpal bone; functions in flexion and adduction of the wrist; innervated by ulnar nerve
Middle Compartment
- Flexor digitorum superficialis muscle: originates from humeroulnar head, medial epicondyle, CFT, and anterior surface of ulnar collateral ligament; inserts into sides of the medial 4 middle phalanx; functions in flexion of the proximal phalanx; innervated by median nerve
Deep Compartment
- Flexor digitorum profundus muscle: originates from anterior and medial surface of ulna, interosseus membrane; inserts into base of the medial 4 distal phalanx; functions in flexion of the distal phalanx; innervated by median nerve (lateral half) and ulnar nerve (medial half)
- Flexor policis longus muscle: originates from anterior surface of radius, interosseus membrane; inserts into base of the distal phalanx of thumb; functions in flexion of the distal phalanx of the thumb; innervated by median nerve
- Pronator quadratus muscle: originates from lower part of ulna; inserts into lower part of ulna; functions in pronation of the forearm; innervated by median nerve
Cubital Fossa
- Triangular fossa in front of the elbow joint: bounded medially by pronator teres, laterally by brachioradialis muscle, and based on a line passing through the epicondyle
- Contents of the cubital fossa: not specified
Superficial Veins of the Forearm
- Cephalic vein
- Basilic vein
- Median cubital vein
- Median vein of forearm
Test your knowledge on the anterior aspect of the forearm and cubital fossa, including structures like superficial veins, muscles, and retinaculum. Explore topics such as the cephalic vein, pronator teres muscle, and flexor carpi ulnaris muscle.
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