Hand Muscles Flashcards
Abductor Pollicis Brevis: Origin?
Flexor retinaculum, tubercles of scaphoid and trapezium, and ridge of flexor pollicis longus tendon
Abductor Pollicis Brevis: Insertion?
Lateral aspect of proximal phalanx of thumb
Abductor Pollicis Brevis: Nerve?
Median nerve (C8, T1)
Abductor Pollicis Brevis: Bony Landmarks & Ligaments?
Flexor retinaculum, tubercles of scaphoid and trapezium, ridge of flexor pollicis longus tendon & Lateral aspect of proximal phalanx of thumb
Abductor Pollicis Brevis: Functional Movement?
Abduction of the thumb
Abductor Pollicis Brevis: Resisting the muscle?
Stand beside the patient. Place one hand on their thumb and ask them to move their thumb away from the hand against your resistance. Apply gentle pressure to resist the abduction movement.
Flexor Pollicis Brevis: Origin?
Flexor retinaculum, tubercles of scaphoid and trapezium, capitate, and bases of second and third metacarpals
Flexor Pollicis Brevis: Insertion?
Base of proximal phalanx of thumb
Flexor Pollicis Brevis: Nerve?
Median nerve (C8, T1)
Flexor Pollicis Brevis: Bony Landmarks & Ligaments?
Flexor retinaculum, tubercles of scaphoid and trapezium, capitate, bases of second and third metacarpals & Base of proximal phalanx of thumb,
Flexor Pollicis Brevis: Functional Movement?
Flexion of the thumb
Flexor Pollicis Brevis: Resisting the muscle?
Stand beside the patient. Place one hand on their thumb and ask them to bend their thumb against your resistance. Apply gentle pressure to resist the flexion movement.
Opponens Pollicis: Origin?
Flexor retinaculum, tubercles of scaphoid and trapezium
Opponens Pollicis: Insertion?
Metacarpal bone of thumb
Opponens Pollicis: Nerve?
Median nerve (C8, T1)
Opponens Pollicis: Bony Landmarks & Ligaments?
Flexor retinaculum, tubercles of scaphoid and trapezium & Metacarpal bone of thumb
Opponens Pollicis: Functional Movement?
Opposition of the thumb
Opponens Pollicis: Resisting the muscle?
Stand beside the patient. Place one hand on their thumb and ask them to touch their thumb to the tip of their little finger against your resistance. Apply gentle pressure to resist the opposition movement.
Abductor Digiti Minimi: Origin?
Pisiform bone
Abductor Digiti Minimi: Insertion?
Base of proximal phalanx of little finger
Abductor Digiti Minimi: Nerve?
Ulnar nerve (C8, T1)