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Elbow/Wrist/Hand
Bones/joints/ligaments
| Question | Answer |
|---|---|
| Primary bones of the elbow complex include.... | the humerus, the ulna and the radius |
| The elbow complex includes three different joints all contained within the same joint capsule, Name them. | The humeroulnar joint The humeroradial joint The proximal radioulnar joint |
| The humeroulnar joint is made up of.... | Trochlea and ulna |
| The humeroradial joint is made up of | Capitulum and the radial head |
| The proximal radioulnar joint is made up of | Radius and the ulna |
| The joint is very stable and has good ligamentous support. Name the three. | Ulnar collateral lig. Radial collateral lig. Annular ligament of radius |
| The elbow is considered a ________ ________ joint with _____ degree of freedom. Name the movements. | loose hinge joint 1 degree of freedom Flexion / Extension |
| Which nerves move across the elbow joint? | The ulnar, radial and median nerves |
| The ________ nerve crosses behind the posterior medial humeral condyle in the ________ groove | Ulnar nerve Ulnar groove |
| Elbow extension ROM is ? degrees with a ? end feel | 0 degrees of freedom Hard end feel |
| Elbow flexion ROM is about ? to ? degrees with a ? end feel | 140-150 soft end feel |
| The trochlear notch revolves around the trochlea of the humerus. It is also called the... | semilunar notch |
| In full extension the olecranon process glides into the _________ ______ on the posterior humerus | olecranon fossa |
| Because the elbow joint is not perfectly aligned, the forearm lies lateral compared to the position of the humerus This angle is called the.... | Carrying angle |
| The Elbow at he carrying angle is around how many degrees? | 15 degrees |
| Which part of the arm consists of the radius and ulna, the proximal and distal radioulnar joints, and the interosseous membrane? | Forearm |
| The_____________ ____________ provides stability to the forearm and provides an attachment point for many forearm muscles | interosseous membrane |
| Primary function of the forearm is to..... | position the hand |
| The wrist joint is made up of the articulation between the concave distal 1._________ and the convex 2._________ and 3._______ bones | 1. radius 2/3. Schaphoid 2/3. Lunate |
| There is an articular disc between the distal ______ and ulna and between the ulna and _______ bones | radius and ulna Ulna and carpal bones |
| Motions at the wrist include.... | Flexion/extension and Radial/ulnar deviation |
| The mid carpal joint is formed by | the proximal and distal carpal rows |
| Name the 4 general ligaments of the hand. | Radial collateral Ulnar collateral Palmar radiocarpal Dorsal radiocarpal |
| Carpometacarpal joints movements : digit 1 | flexion/extension; ABD/ADDuction; opposition/reposition |
| Carpometacarpal joints: movements: Digits 2-5 | have minimal motion |
| Metacarpophalangeal joints movement | flexion/extension & ABD/ADDuction |
| Interphalangeal joints: Movements | Hinge joints with flexion/extension as only movement |
| A complex system of ligaments and connective tissues create a _______ system on the flexor side of fingers | pulley system |
| The function of the pulley system on the flexor side of the fingers is to....... | maintain the tendons in the proper place and to coordinate movement between phalanges |
Created by:
Cainta