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Hand muscles

muscle, ligaments and bones

QuestionAnswer
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
Created by: rmart11
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