ANSWER THE ESSAYS AND THE QUESTIONS

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Skeletal System

Appendicular Skeleton

Appendicular Skeleton

  • 126 bones
  • Limbs
  • Pectoral girdle
  • Pelvic girdle

Shoulder Girdle

  • Pectoral girdle
  • Clavicle
  • Scapula

Clavicle

Scapula

Clavicle

  • Collarbone
  • Attaches to sternum and scapula
  • Forms shoulder joint
  • Helps prevent shoulder dislocation

Scapula

  • Shoulder blades
  • Bone Markings
  • Acromion
  • Coracoid process
  • Glenoid cavity
  • Spine

Glenoid Cavity

Acromion

Acromion

Coracoid Process

Coracoid Process

Spine

Upper Limb Bones - Arm

  • Humerus
  • Greater tubercle
  • Lesser tubercle
  • Head
  • Deltoid tuberosity
  • Capitulum
  • Trochlea

Head

Trochlea

Capitulum

Deltoid
Tuberosity

Greater Tubercle

Lesser
Tubercle

Upper Limb Bones - Forearm

  • Radius
  • Ulna

Radius

Ulna

Upper Limb Bones - Hand

  • Carpals
  • Metacarpals
  • Phalanges

Carpals

Metacarpals

Phalanges

Pelvic Girdle

  • Coxal bones
  • Hip bones
  • Bears weight

Pubic Symphysis

Coxal Bone

  • Ileum
  • Iliac crest
  • Ischium
  • Sitdown bone
  • Pubis
  • Acetabulum
  • Head of thigh bone

Ileum

Iliac Crest

Ischium

Pubis

Acetabulum

Female Pelvis vs Male Pelvis

  • Inlet larger, more circular
  • Shallower, bones lighter and thinner
  • Ilia flare more
  • Sacrum shorter, less curved
  • Shorter ischial spines
  • More rounded pubic arch

Lower Limb Bones - Thigh

  • Femur
  • Heaviest, strongest bone
  • Greater trochanter
  • Lesser trochanter
  • Neck
  • Head
  • Condyle

Head

Neck

Greater
Trochanter

Lesser
Trochanter

Condyle

Lower Limb Bones - Leg

  • Tibia
  • Fibula

Lower Limb Bones - Foot

  • Phalanges
  • Metatarsals
  • Tarsals
  • Talus
  • Calcaneous

Talus

Calcaneus

Tarsals

Metatarsals

Phalanges