HUBS1105 Lecture Notes - Lecture 10: Radial Tuberosity, Biceps, Fibrous Joint
4 May 2018
School
Department
Course
Professor
HUBS1105(
11(
10.(The(Elbow(
(
Elbow&Joint&
− Synovial(hinge(–(humero<ulna(and(humero<radial(
− Fibrous(and(synovial(capsules(associated(with(superior(radio<ulnar(joint(
− Medial(and(collateral(ligaments(increase(stability(of(joint(
− Bursae(to(reduce(friction(
− Stability(–(bony(fit,(capsule(and(collateral(ligaments(
− Close<packed(position(in(full(extension(
Articulating&Surfaces&at&Elbow&Joint&
Radius&
− Important(in(pronation(and(supination(
− Proximal(end(–(concave(for(capitulum(
− Annular(ligament(binds(it(to(ulna(
− Radial(tuberosity(for(bicep(insertions(
− Styloid(process(at(wrist(
Ulna&
− Longer(than(radius(
− Olecranon(process,(coronoid(process(and(
tuberosity(for(brachialis(
− Radial(notch(for(radial(head(
− Distal(head(and(styloid(process(
Elbow&Joint&Capsule&
− Fibrous(joint(capsule(from(distal(humerus(to(
radius(and(ulna(
Movements&at&Elbow&Joint&
− Uniaxial,(flexion(and(extension(
− Limits(of(extension(due(to(bones,(ligaments(and(
muscles(
− Limits(of(flexion(due(to(muscles(
Bicipital&Aponeurosis&
− Triangular(sheet(
− From(tendon(of(insertion(of(biceps(brachii(
− Shelters(the(important(vessels(and(nerves(
Cubital&Fossa&
− Triangular(intermuscular(space(
− Important(in(venipuncture(
Radio?Ulnar&Joints&
− 2(pivot(joints(and(one(fibrous(joint(
− Produce(supination(and(pronation(
− Movement(of(forearm(in(longitudinal(axis(
(
( (
