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Bones of arm dfinch
Bones of the Arm, Pectoral Girdle, Vertebrae, & Ribs
| Question | Answer |
|---|---|
| This provides a point of attachment for the deltoid and trapezius muscles. | Acromion Process |
| Shoulder muscles of the pectoralis minor, coracobrachialis and short head of the biceps attach here. | Coracoid Process |
| This portion of the humerus articulates with the Glenoid Cavity of the scapula. | Head of Humerus |
| This articulates with the manubrium fo the sternum at its clavicular notch. | Sternal End of Clavicle. |
| This allows for attachment of the ribs to the sternum. | Costal Cartilage |
| The number of true ribs | 7 |
| Attachment of the true ribs occurs where. | T1 through the T7 vertebrae and costal cartilage of the sternum. |
| The number of false ribs. | 3 |
| Why are the false ribs called so. | They don't attach directly to the sternum by way of costal cartilage but rather they attach to the costal cartilage of the 7th true rib. |
| This portion of the clavicle articulates with the acromion process of the scapula | Acromion End. |
| A common shoulder problem occurs between these two processes of the scapula | Acromion and Coracoid Process commonly called AC Joint problems. |
| This divides the scapula into areas of the supraspinatus fossa and the infraspinatus fossa. | Spine |
| The point of origin for the supraspinatus and infraspinatus muscles is | Infraspinatus and Supraspinatus fossas |
| This portion of the Humerus serves as the insertion for the supraspinatus, infraspinatus, teres minor and the lateral head of the triceps | Greater Tuberosity or Greater Tubercle |
| This recieve the olecranon of the ulna when the arm is extended. | Olecranon Fossa |
| This portion of the humerus gives attachment of teh ulner collateral ligament, Pronator Teres and flexor muscles of forearm. | Medial Epicondyle |
| A depression for the coronoid process of the ulna | Coronoid Fossa |
| This serves as an attachment for the subscapularis | Lesser Tubercle |
| A large bump on the humerus that provides an attachment for the deltoid muscle. | Deltoid Tuberosity |
| This portion of the humerus is occupied by the long head of the biceps tendon. | Intertubercular or Bicipital Grove. |
| This superior portion of the ulna articulates with the trochlea of the humerus | Trochlear Notch |
| This Process of the ulna is recieved by the fossa of the humerus. | Coronoid |
| This portion of the of the radius articulates with a notch of the ulna allowing rotational movement causing supination and pronation | Head of Radius |
| Insertion of the biceps brachii tendon occurs here. | Posterior ( Rough Portion) of Radial Tuberosity |
| A bursa between the bone and the biceps tendon is located here. | Anterior ( Smooth Portion) of Radial Tuberosity |
| The tendon of the brachioradialius attaches to the base of this process of the radius | Styloid Process |
| The Redial Collateral ligament of the wrist attaches to this portion of the radius | Apex or point of the Styloid Process |
| A common fracture of the wrist where the scaphoid bone is forced against the styloid process is called? | Chauffeurs Fracture |
| The bony prominance felt as the elbow and functions to protect the end of the humerus | Olecranon Process |
| This allows the radius to articulate with the ulna in positioning the hand in supination and pronation. | Radial Notch of Ulna |
| This portion of the Ulna allows for the attachment of the brachialis. | Ulna Tuberosity |
| This portion of the ulna, allows attachment fo the ulnar collateral ligament fo the wrist. | Styloid Process of Ulna |
| Pronation of the hand shows the palm in what direction. | Palm Down |
| Supination of the hand show the palm in what direction. | Palm Up |
| Which group of phalanges has no medial or intermediat phalange. | That of the Thumb |
| This carpal articulates with the styloid process of the ulna. | Pisiform |
| This carpal articulates with eht head of the ulna. | Triquetrum |
| This is the only carpal to articulate with 2 metacarpals making up the last two phalanges | Hamate |
| This carpal articulates with the medial head of the radius. | Lunate |
| This is one of the most frequently dislocated carpals of the hand | Lunate |
| This carpal articulates with the middle metacarpal | Capitate |
| This carpal articulates with the lateral head of hte radius and plays an important row in wrist movement. | Scaphoid |
| This carpal articulates with the index finger at the index metacarpal. | Trapezoid |
| This carpal articulates with the metacarpal of the thumb. | Trapezium |
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