Forearm Flashcards
The two bones of the forearm, ulna and radius, are connected by the ______.
Interosseous membrane
The deep fascia of the forearm is the _____ fascia.
Antebrachial fascia
Antebrachial fascia is the inferior continuation of the _____.
Brachial fascia
Distally the antebrachial fascia will thicken and form the _____ and _____ retinacula
Extensor and flexor
The extensor retinaculum extends obliquely across the posterior radiocarpal joint from the anterior border of the distal radius to the_____ and _____.
triquetrum and pisiform
The flexor retinaculum is also called the _____.
transverse carpal ligament
Transverse carpal ligament medially attached to the _____ and _____.
pisiform and hook of hamate
_____ form both the carpal tunnel and the canal of Guyon
Transverse carpal ligament (flexor retinaculum )
Lateral Antebrachial Cutaneous Nerve is the inferior continuation of the _____.
Musculocutaneous n
Lateral Antebrachial Cutaneous Nerve will exit the lateral arm between the _____and _____ mm
Biceps brachii and brachialis mm
Lateral Antebrachial Cutaneous Nerve provides cutaneous sensation to the_____.
lateral forearm
Which cutaneous nerve is a branch off the medial cord of the brachial plexus?
Medial Antebrachial Cutaneous Nerve (C8-T1)
Medial Antebrachial Cutaneous Nerve (C8-T1)
provides cutaneous sensation to the_____ and _____.
anterior and medial forearm
Posterior Antebrachial Cutaneous Nerve is a branch of the _____.
Radial n.
Posterior Antebrachial Cutaneous Nerve provides cutaneous sensation to the _____.
Posterior forearm
The posterior forearm compartment muscles will be found more _____.
posterolaterally
The anterior forearm compartment muscles will be found more _____.
anteromedially
Distally both ant. and post. forearm muscles spiral posteriorly and anteriorly respectively, thus becoming _____ posterior and anterior compartments
True
What are the superficial layer muscles of the anterior forearm? (5)
- Pronator teres
- Flexor carpi radialis
- Palmaris longus
- Flexor digitorum superficialis
- Flexor carpi ulnaris
What are the deep anterior forearm muscles? (3)
- Flexor digitorum profundus
- Flexor pollicis longus
- Pronator quadratus
What are the superficial layer muscles of the posterior forearm? (6)
- Brachioradialis
- Extensor carpi radialis longus
- Extensor carpi radialis brevis
- Extensor digitorum
- Extensor digiti minimi
- Extensor carpi ulnaris
What are the deep posterior forearm muscles? (5)
- Abductor pollicis longus
- Extensor pollicis brevis
- Extensor pollicis longus
- Extensor indicis
- Supinator
Which compartment of the anterior forearm muscles crosses the elbow joint?
Superficial
Which compartment of the anterior forearm muscles DOES NOT crosses the elbow joint?
Deep