Anatomy - reflexes and myotomes Flashcards
What is the root of the biceps reflex?
C5/C6
What is the root of the triceps reflex?
C7
What muscle and nerve root are responsible for the supinator reflex?
Brachioradialis muscle
C6
What muscle and nerve root are responsible for the knee reflex?
Quadriceps
L3/L4
What muscle and nerve root are responsible for the ankle reflex?
Gastrocnemius
S1
What movement does the deltoid muscle produce?
What is the innervation of the deltoid muscle?
Shoulder abduction
C4/C5 - Axillary nerve
Which muscles are responsible for shoulder adduction?
What is their innervation?
Pectoralis and Latissimus dorsi
C6-C8 - medial and lateral pectoral nerves
What movement does the biceps muscle produce?
What is the innervation of the biceps muscle?
Elbow flexion and supination
C5/C6 - Musculocutaneous nerve
What movement does the triceps muscle produce?
What is the innervation of the triceps muscle?
Elbow extension
C7/C8 - Radial nerve
Which nerve innervates the flexor muscles of the forearm?
C7/C8 - Median and Ulnar nerves
Which nerve innervates the extensor muscles of the forearm?
C7 - Radial nerve
Which nerve innervates the intrinsic muscles of the hand
T1 - Median and Ulnar
What is the nerve root of the sciatic nerve?
L4 - S1
What is the nerve root of the obturator nerve? Which muscle(s) does this nerve supply?
Supplies the adductors (medial thigh)
L2/L3
What is the nerve root of the femoral nerve? Which muscle(s) does this nerve supply?
L1 - L4