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Shoulder to Hands
Contains material from BIO 201 lab
| Question | Answer |
|---|---|
| Clavicle | S shaped collarbones that extend from the manubrium to the scapulae and help hold the scapulae into position |
| Scapula | Shoulder blade bone that holds the humerus in place |
| Superior Border | The shortest and thinnest border of the scapula. |
| Lateral Border | The thickest border of the scapula. |
| Medial Border | The longest border of the scapula. |
| Glenoid Cavity/Fossa | A depression on the scapula where the head of the humerus articulates to form a ball and socket joint. |
| Acromion | Posterior projection on the scapula that articulates with the clavicle |
| Coracoid Process | Anterior projection on the scapula that serves as a muscle attachment site |
| Subscapular Fossa | Broad concavity on the anterior side of the scapula that serves as an attachment point for the muscles |
| Spine of Scapula | Landmark on the scapula that leads up to the acromion and divides the posterior side of the scapula into two uneven parts |
| Supraspinous Fossa | A concavity on the posterior side of the scapula that is above the spine of the scapula |
| Infraspinous fossa | A concavity on the posterior side of the scapula that is below the spine of the scapula |
| Humerus | Upper bone of the arm that runs from the scapula (shoulders) to the elbow |
| Head of Humerus | Ball-like proximal end of the humerus that articulates with the glenoid fossa of the scapula to produce a ball and socket joint |
| Greater Tubercle | A lateral bump on the proximal end of the humerus that serves as an attachment site for muscles that move the arm |
| Lesser Tubercle | A small bump on the anterior side of the proximal end of the humerus that serves as an attachment site for rotator cuff muscles. |
| Intertubercular Sulcus/Groove | A depression found between the greater and lesser tubercles of the humerus |
| Capitulum | A lateral condyle on the distal end of the humerus that articulates with the head of the radius, allowing pronation/supination of the forearm |
| Trochlea | A medial condyle on the distal end of the humerus that articulates with the trochlear notch of the ulna, allowing flexion and extension of the elbow |
| Medial Epicondyle | Bump on the medial sides of the distal end of the humerus, serving as an attachment site for muscles that move the wrist and fingers |
| Lateral Epicondyle | Bump on the lateral sides of the distal end of the humerus, serving as attachment sites for muscles that move the wrist and fingers |
| Olecranon Fossa of Humerus | Depression on the posterior side of the humerus that articulates with the olecranon process of the ulna |
| Coronoid Fossa of Humerus | Depression on the anterior side of the humerus that articulates with the coronoid process of the ulna |
| Ulna | One of the two bones of the forearm, on the more medial side of the forearm |
| Olecranon/Olecranon Process | Proximal end of the ulna (posterior to the trochlear notch) that serves as an attachment site for muscles moving the forearm. |
| Trochlear Notch | Articulates with the trochlea of the humerus to form a joint that allows the elbow to flex and extend |
| Radial Notch of Ulna | Depression that articulates with the radius |
| Coronoid Process of Ulna | Pointy landmark on proximal end of ulna that stabilizes the arm and prevents hyperflexion |
| Styloid Process of Ulna | Pointy landmark on distal end of ulna that connects a ligament to the wrist |
| Radius | One of the two bones of the forearm, on the more lateral side of the forearm |
| Head of the Radius | Attaches to the capitulum of the humerus, allowing the forearm to pronate and supinate. |
| Ulnar Notch of the Radius | A depression on the radius that articulates with the ulna |
| Radial Tuberosity | Landmark of the radius where ligaments that support the elbow joint attach |
| Styloid Process of the Radius | Pointy landmark on distal end of radius that connects a ligament to the wrist |
| Carpals | A set of eight bones that make up the wrist |
| Scaphoid | One of the eight carpal bones; the largest of the carpals, being the size and shape of a cashew |
| Lunate | One of the eight carpal bones; has deep concavity and a crescent shape, reminiscent of a crescent moon |
| Triquetrum | One of the eight carpal bones; a small bone that looks somewhat triangular that lies under the pisiform bone, located by the ulna |
| Pisiform | One of the right carpal bones; a small, pea-shaped bone located by the ulna and above the triquetrum |
| Trapezium | One of the eight carpal bones; located by the radius and aids in movement of the thumb |
| Trapezoid | One of the eight carpal bones; a wedge-shaped bone that is the smallest of bones in the distal row |
| Capitate | One of the eight carpal bones; the largest of the carpal bones; helps with articulation of the middle finger |
| Hamate | One of the eight carpal bones; a bone that is readily distinguishable by its hooked shape |
| Metacarpals | The intermediate bones of the hand, between the phalanges and the carpal bones. |
| Proximal Phalanx | The phalanges of the hand that are closest to the wrist. |
| Middle Phalanx | The phalanges of the hand between the proximal and distal phalanx. The thumb does not contain one. |
| Distal Phalanx | The phalanges of the hand that are furthest from the wrist. |
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Rylyn27463
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