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Anat-Append Skeleton
Stack #214538
| Question | Answer |
|---|---|
| Three parts of appendicular skeleton | girdles (pelvic and pectoral), upper limbs, lower limbs |
| Parts of upper limb | arm, forearm, wrist, hand |
| Parts of lower limb | thigh, leg, foot |
| arm | brachial |
| forearm | antebrachial |
| wrist | carpal |
| hand | manus |
| thigh | femoral |
| leg | crural |
| foot | pes |
| Spine | divides the posterior side of the scapula into two parts |
| glenoid cavity | articulates with the humerus, shallow, allows for lots of mobility |
| acromion | superior bony cap/roof over shoulder joint |
| Function of acromion #1 | forms protective cover from impact on top |
| Function of acromion #2 | attachment point for clavicle |
| Function of acromion #3 | attachment point for muscles that allow you to shrug your shoulder, extend your arm laterally, etc |
| coracoid process function | attachment for muscles that pull the arm forward |
| coracoid process structure | found on the anterior side of the scapula, hooks around |
| supraspinous fossa | on posterior side of the scapula, superior to the spine, shoulder muscle attachment site |
| infraspinous fossa | on posterior side of the scapula, inferior to the spine, shoulder muscle attachment site |
| subscapular fossa | on anterior side of scapula, muscle attachment site |
| clavicle location | runs from acromion to manubrium of the sternum |
| clavicle function | only point of attachment for the scapula to the rest of the skeletal system |
| head of humerus | fits into the glenoid cavity of the scapula |
| greater and lesser tubercles | ridges by the head of the humerus for muscle attachment |
| intertubercular sulcus | groove between the tubercles which a tendon passes through |
| capitulum | articulates with the radius (articular surface) |
| trochlea | articulates with the ulna, saddle-shaped |
| lateral and medial epicondyles of humerus | attachment point for forearm muscles |
| Location of the radius | thumb side |
| location of the ulna | little finger side |
| radial tuberosity | attachment point for the biceps brachii muscle, mostly on the anterior side |
| head of the radius | like a hockey puck, disk that lets us spin our arm, articulates with the capitulum of the humerus |
| styloid process (of the radius) | bony projection on the lateral side of the wrist, just proximal to the thumb |
| olecranon | triceps attach here, felt at the tip of the bent elbow, posterosuperior aspect of the trochlear notch |
| trochlear notch | BIG, fits the trochlea of the humerus |
| radial notch | head of radius fits here, allows us to turn our palms up and down |
| styloid process (of the ulna) | posteromedial process on the head that may be felt on the medial side of the wrist |
| number of carpal bones in the wrist | 8 |
| right and left os coxae (ossa coxae) | half of the pelvis, made up of three fused bones |
| ilium | superior pubic bone, blade-like |
| ischium | inferior/posterior pubic bone, 'sit down bone??', contacts seat |
| pubis | inferior/anterior pubic bone, only one of the three in which the right and left sides contact each other |
| acetabulum | hip joint, large and deep cavity-- less range of mobility |
| obturator foramen | space encircled by the pubis and ischium, thigh muscles attach along the opening of the hole |
| sacroiliac joint | point where the sacrum and the pelvic girdle connect |
| iliac crest | the superior-most ridge of the ilium |
| anterior superior iliac spine | projection from which the iliac crest arises |
| pubic symphysis | site of articulation between the pubic bones, fibrocartilage here |
| ischial tuberosity | attachment point for thigh muscles, roughened projection on the posterolateral border of the ischium, support the weight of the body when seated |
| head of femur | part of the femur that articulates with the acetabulum |
| neck of femur | joins the head and the shaft of the femur, elongated and prominent |
| greater and lesser trochanters | attachment site for thigh muscles that allow for extension and abduction of leg, two processes originating near the proximal end of the femur |
| medial and lateral condyles | on the distal, inferior surface of the femur, form part of the knee joint, smooth, oval articulating surfaces |
| medial and lateral epicondyles | attachment sites for ligaments and muscles, superior to the condyles |
| patella | kneecap, held within tendons, slides back and forth between the two condyles of the femur |
| tibia | larger crural bone that supports most of the weight, medial |
| tibial tuberosity | on the anterior surface of the tibia near the medial and lateral condyles, attachment site for the patellar ligament |
| medial malleolus | hook-shaped, on medial side of ankle bones |
| fibula | thin, articulates with the tibia--not the femur, lateral |
| lateral malleolus | distal tip of the fibula, extends to the ankle joint to provide stability, bump on the lateral side of the ankle |
| talus | ankle bone, connects to the tibia |
| calcaneus | heel, very large and prominent attachment site for the achilles tendon |
| number of tarsals in the ankle and foot | 7 |
Created by:
Jean-O
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