Movements of Hand & Grips
What are the 4 types of movements of the hand?
flexion, extension, abduction, adduction
How many carpal bones are there?
8
All muscles in the posterior compartment of the forearm are innervated by what nerve?
radial nerve
What are the 3 main symptoms in MSK that you ask about when taking a history?
joint pain, stiffness, swelling
What main event was Case 0 about?
a road traffic accident
What is 1 of the muscles that is used in flexion of the hand?
flexor carpi ulnaris / flexor carpi radialis / flexor digitorum superficialis / flexor digitorum profundus / palmaris longus / flexor pollicis longus
True or False: the ulna is part of the wrist joint?
False
True or False: the brachioradialis does not cross the wrist joint
true
In an MSK physical examination, the MCP squeeze used to help identify what condition?
arthritis
What is the name of the patient in Case 10?
Kerry
What are the 2 muscles that are used in adduction of the hand?
flexor carpi ulnaris and extensor carpi ulnaris
What is in between the ulna and the other bones?
articular disc
What are the 2 categories of muscles in the posterior compartment? Name them and give 1 example for each
Superficial (ex: brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris)
Deep (ex: abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis, extensor indices, supinator)
The small muscles of the hand are responsible for what?
fine motor function
What was the main medical condition covered in Case 3?
anemia
Show the 6 movements of the thumb
**look at picture on Lily's slideshow for answers
Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, Hamate
What is the function of the supinator?
supinates forearm
List 5 of the associated symptoms you ask about in MSK history taking
fever/temperature, fatigue/energy level, weight loss, sore throat, STIs, problems with eyes, joint/muscle weakness, skin conditions/rashes
What is the title of Case 8?
"Not Another Broken Bone"
Name the 2 types of grips and their subtypes (hint: one type has 3 subtypes, the other type has 4 subtypes)
1. Power Grip (cylindrical, spherical, hook)
2. Precision Grip (pinch, pincer, prehension, lumbrical grip)
an ellipsoidal/condyloid joint
What is one possible origin of the deep muscles?
the interosseous membrane, ulna, radius
What are the 2 origins of the adductor pollicis?
metacarpals and carpals
What is the name of the patient in Case 5 - The Cows Still Need Milking?
George