Elbow, Wrist, Hand Arthrology Flashcards
What synovial classification is the humeroulnar?
Hinge
What synovial classification is humeroradial?
planar/gliding by morphology
hinge/pivot by function
What synovial classification is proximal radio-ulnar?
pivot
What synovial classification is distal radio-ulnar?
pivot
What synovial classification is radiocarpal?
condyloid
What synovial classification is 1st carpometacarpal joint?
Saddle/sellar
What synovial classification is 2-5th carpometacarpal joints?
planar/gliding
What synovial classification is metacarpophalangeal?
condyloid
What synovial classification is interphalangeal joints?
hinge
Humeroulnar joint
Concave ________
Convex __________
Concave: trochlear notch of ulna
Convex: trochlea of humerus
Ulna moves on humerus (concave on convex)= roll & glide in same direction
Humeroradial joint
Concave:
Convex:
Concave: head of radius
Convex: capitulum of humerus
Radius moves on humerus = roll & glide in same direction
Proximal radio-ulnar joint
Concave:
Convex:
Concave: radial notch of ulna
Convex: radial head
Radius moves on ulna = rolls & glides in opposite direction
Radial head rolls _______ & glides _________ during pronation
anteriorly; posteriorly
Radial head rolls _________ & glides ____________ during supination
posteriorly; anteriorly
Distal radio-ulnar joint
Concave:
Convex:
Concave: ulnar notch on radius
Convex: head of ulna
Radius moves on ulna = roll & glide in same direction
Pronation & supination also require:
rotation of radius (spin) at humeroradial joint in annual ligament
What makes up distal radio-ulnar joint?
Head of ulna, TFCC, and ulnar notch of radius
What makes up radiocarpal joint?
Radius, TFCC, proximal row of carpals (minus pisiform)
Radiocarpal
Convex/concave
Proximal carpal row (convex) on radius & TFCC (concave)
Gliding movement opposite from hand
What happens to scaphoid/lunate with radial deviation?
Flexion
What happens to proximal row of carpal bones during ulnar deviation?
Extends
During radial ab/adduction of 1st CMC joint, the MC rolls & glides in the ________ direction
same
During palmar ab/adduction of 1st CMC joint, the MC rolls & glides in the ___________ direction
opposite
In the metacarpophalangeal joints 2-5 the phalanx rolls & glides in the ________ direction for all motions
same
Interphalangeal joints
Convex/concave?
Convex: distal surface of proximal phalanx
Concave: proximal surface of distal phalanx
During flexion/extension of interphalangeal joints, the phalanx rolls & glides in the __________ direction
same
Elbow flexion
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: biceps brachii
Secondary Mover: brachialis
Antagonist: triceps brachii
Elbow extension
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: triceps brachii
Secondary Mover: anconeous
Antagonist: biceps brachii
Wrist flexion
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: flexor carpi radialis/ulnaris
Secondary Mover: flexor digitorum profundus/superficialis
Antagonist: Extensor carpi radialis longus/brevis
Wrist extension
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: extensor carpi radialis longus/brevis or extensor carpi ulnaris
Secondary Mover: extensor digitorum
Antagonist: Flexor carpi radialis/ulnaris
Wrist ulnar deviation
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: extensor carpi ulnaris and flexor carpi ulnaris
Secondary Mover: flexor digitorum profundus/superficialis
Antagonist: extensor carpi radialis longus/brevis or abductor pollicis longus
Wrist radial deviation
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: extensor carpi radialis longus or abductor pollicis longus
Secondary Mover: extensor pollicis brevis
Antagonist: extensor carpi ulnaris or flexor carpi ulnaris
Digit flexion
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: flexor digitorum superficialis
Secondary Mover: flexor digitorum profundus
Antagonist: extensor digitorum
Digit extension
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: extensor digitorum
Secondary Mover: extensor indicis/digiti minimi
Antagonist: flexor digitorum superficialis
Thumb extension
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: extensor pollicis longus
Secondary Mover: extensor pollicis brevis
Antagonist: flexor pollicis longus
Thumb flexion (CMC joint)
Primary Mover:
Secondary Mover:
Antagonist:
Primary Mover: flexor
Secondary Mover:
Antagonist:
concave on convex
same direction
convex on concave
opposite direction