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2026/(A&P I - Chapter 7 (Appendicular Skeleton)
Typology: Study notes
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Appendicular Skeleton pectoral girdle, upper limbs, pelvic girdle, lower limbs pectoral gridle clavicle and scapula upper limb bones arm, forearm, wrist, hand, fingers
Choose an answer 1 Appendicular Skeleton 2 Olecranon process of the ulna 3 acromial process of scapula 4 lower limb bones Don't know?
pelvic girdle 2 hip bones lower limb bones thigh, leg, ankle, foot, toes The clavicle acromial endsternal end
Acromial end of the clavicle lateral end- articulates with acromial process of the scapula
Sternal end of the clavicle medical end- articulates with the sternum
Scapula - lateral border- glenoid cavity
Posterior surface of scapula - spine leading to acromial process- supraspinous fossa (above the spine)
Humerus arm bone Superior end of the humerus - head of the humerus- neck
head of humerus articulates with the glenoid fossa of the scapula
Radius lateral bone of the forearm Proximal end of radius head, neck, radial tuberosity head of radius looks flat- articulates with the capitulum of the humerus when the elbow is extended, articulates with radial fossa of humerus when elbow is flexed distal end of radius styloid process carpel bones 8 short bones of the wrist Metacarpals 5 bones of the palm Phalanges of the hand 14 (2 in the thumb, three in all other digits) Location of the clavicle (2) in superoanterior thorax; articulates medially with sternum and laterally withscapula
marking of the clavicle (2) acromial end; sternal end Location of the scapula (2) in posterior thorax; forms part of the shoulder; articulates with humerus andclavicle
markings of the scapula (2) glenoid cavity; spine; acromion; coracoid process; infraspinous, supraspinous, andsubscapular fossae
location of the humerus (2) sole bone of arm; between scapula and elbow markings of the humerus (2) head; greater and lesser tubercles; intertubercular sulcus/groove; radial groove;deltoid tuberosity; trochlea; capitulum; coronoid and olecranon fossae; epicondyles; radial fossa location of the ulna (2) the medial bone of forearm between elbow and wrist; with the humerus (andradius) forms the elbow joint
markings of the ulna (2) coronoid process; olecranon; radial notch; trochlear notch; ulnar styloid process;head; shaft
location of the radius (2) the lateral bone of forearm; articulates with carpals to form part of the wrist joint markings of the radius (2) head; radial tuberosity; radial styloid process; ulnar notch Hip bones (3) ilium, ischium, pubic Hip bone coxal bone or os coxae Ilium iliac crest, iliac spines, iliac fossa, auricular surface, greater sciatic notch
iliac spines Anterior superior iliac spineAnterior inferior iliac spine Posterior superior iliac spinePosterior inferior iliac spine
auricular surface of ilium articulates with the sacrum to form the sacroiliac joint Ischium ischial tuberosityischial spine
Pubic bone pubic symphysis pubic symphysis of pubis two pubic bones form a joint obturator foramen large foramen anteriorly Acetabulum a large fossa laterally- articulates with the head of the femur
pelvic brim demarcated by pubic bone, ileum, and sacrum true pelvis below pelvic brim- reproductive organs
false pelvis above pelvic brim General structure/functional modifications of the femalepelves tilted forward; adapted for childbearing; true pelvis defines the birth canal; cavityof the true pelvis is broad, shallow, and has a greater capacity
General structure/functional modifications of the malepelves tilted less far forward; adapted for support of a male's heavier build and strongermuscles; cavity of the true pelvis is narrow and deep
Bone thickness of female pelves less; bones lighter, thinner, and smoother bone thickness of male pelves greater; bones heavier and thicker, and markings are more prominent Acetabula of female pelves smaller, farther apart Acetabula of male pelves larger, closer Pubic arch/subpubic angle of female pelves broader (80-90 degrees); more rounded Pubic arch/subpubic angle of male pelves angle is more acute (50 to 60 degrees) sacrum of female pelvis Wider, shorter; sacral curvature is accentuated sacrum of male pelvis narrow, longer, sacral promontory more ventral coccyx of female pelvis more movable; projects inferiorly
medial condyle of the tibia medial side- articulates with the medial condyle of the femur
lateral condyle of the tibia lateral side- articulates with the lateral condyle of the femur
intercondylar eminence between the condyles of tibia tibial tuberosity anterior projection Shaft of tibia anterior crest/border or the shin distal end of tibia medial malleolus (medial side)