Question | Answer |
Abductor Pollicis Brevis Origin? | -flexor retinaculum
-Scaphoid and trapezium |
Abductor Pollicis Brevis Insertion? | Lateral side of the thumb |
Abductor Pollicis Brevis Action? | Abduction of the thumb |
Abductor Pollicis Brevis Innervation? | Median Nerve |
Opponens Pollicis Origin? | Trapezium |
Opponens Pollicis Insertion? | Medial metacarpal bone of the thumb |
Opponens Pollicis Action? | Adduction of the thumb |
Opponens Pollicis Innervation? | Median nerve |
Flexor Pollicis Brevis Origin ? | Trapezium |
Flexor Pollicis Brevis Insertion? | Base and Lateral side of the thumb |
Flexor Pollicis Brevis Action? | -Flexes the thumb
-Adduction of MP |
Flexor Pollicis Brevis Innervation? | Median nerve |
Adductor Pollicis Origin? | 2nd and 3rd base of metacarpals |
Adductor Pollicis Insertion? | Medial side of the thumb |
Adductor Pollicis Action? | Adduction of the MP joint of thumb |
Adductor Pollicis Innervation? | Median nerve |
Abductor digiti minimi Origin? | -pisiform,
-Flexor retinaculum |
Abductor digiti minimi Insertion? | Base of the 5th digit |
Abductor digiti minimi Action? | Abduction little finger |
Abductor digiti minimi Innervation? | Ulnar nerve |
Flexor digiti minimi brevis Origin? | -Hook of hamate
-Flexor retinaculum |
Flexor digit minimi brevis Insertion? | 5th digit base |
Flexor digiti minimi brevis Action? | Flexion of the little finger |
Flexor digiti minimi brevis innervation? | Ulnar nerve |
Palmar Lumbercals Origin? | -Tendons of the flexor digitorum profundus
-(radial side) 2-3 unipennate and 4-5 are bipennate |
Palmar Lumbercals Insertion? | Extensor Digitorum Communism tendon |
Palmar Lumbercals Action? | Flexes the MP joint of 2-5 digits |
Palmar Lumbercals Inervation? | -2-3 Median nerve -4-5 Ulnar nerve |
Palmar Interosseous muscle Origin? | Anterior shaft of the Metacarpals -2, 4, 5 metacarpals |
Palmar Interosseous muscle Insertion? | proximal digits 2-5 |
Palmar Interosseous muscle Action? | Adducts towards the middle fingers |
Palmar Interosseous muscle Nerve? | Ulnar nerve |
Dorsal Interosseous muscle Origin? | Bipennate Base of all the Metacarpals |
Dorsal Interosseous muscle Insertion? | -Radial side of 2,and 3 proximal digit
-Ulnar side proximal digits 3 and 4 |
Dorsal Interosseous muscle Action? | Abducts away from the middle fingers |
Dorsal Interosseous muscle Innervation? | Ulnar nerve |
What is the Flexor Retinaculum? | antebrachial fascia that holds the tendons of the
flexor muscles in place |
What is the Extensor Retinaculum? | antebrachial fascia that holds the tendons of
the extensor muscles in place |
Where is the flexor and extensor retinacula? | Bands of connective tissue running around the wrist |
What is carpal tunnel syndrome? | Overuse – tendonitis. Swelling puts pressure on
median nerve |
How do you help carpal tunnel? | Incision made in the retinaculum to relieve pressure |
Thenar eminence | Pollicis muscles |
Hypothenar eminence | minimi muscle |
Pisometacarpal ligament | Pisiform and metacarpal |
Pisohamate ligament | Pisiform and hamate |
Hamatometacarpal ligament | Hamate and metacarpal |