Bones of the Hand

The carpals This cluster of bones make up the wrist and for movement and positioning of the hand SLTPTTCH (ACRONYM?) – SCAPHOID – LUNATE – TRIQUETRUM – PISIFORM – TRAPIZIUM – TRAPIZOID – CAPITATE – HAMATE

The Carpals

The Metacarpals and Phalanges The function of these bones is movement of the hand They do not have specific names but are numbered 1-5 starting with the thumb as 1 and pinkie finger as 5 There are proximal, middle and distal phalanges on all four fingers. The thumb only has proximal and distal

The Bones of the Feet

Bones of the Feet The function of these bones are designed to bear weight, aid in movement, and balance. – 14 Phalanges – 5 Metatarsals – 3 Cuneiforms – Navicular – Cuboid – Talus – Calcaneus

Sesamoid Bones This term is used for bones that are embedded within a tendon. Their function is to aid the tendon in movement by holding it slightly away from joints. You have several sesamoid bones – Patella – Feet – Hands

The Pelvis -The hip bones (pelvic girdle) -sacrum -coccyx

Practice Sites

Joints Fibrous Cartilaginous Synovial (typical)

Fibrous Joints Bones are attached by fibrous connective tissue providing little or no movement – Ex. Sutures between flat bones of the skull

Cartilaginous Joints Bones are connected by cartilage connective tissue reinforce by fibrous tissue, permitting little or not movement. – Fibrocartilage between vertebrae

Synovial Joints Bones are capped with cartilage, jointed with a cavity that is lined by synovial membrane Synovial membranes secrete synovial fluid that aids in reducing friction These joints are surrounded by fibrous capsules, interlaced with ligaments and tendons

Synovial Joints (6) Non-Axial Plane: only slipping movements – Ex. Between carpals Uni-Axial Hinge: only one plane – Ex. elbow Pivot : only one plane – Ex. Radius/ulna Bi-Axial Condyloid: Knuckles Saddle: Thumb Multi-Axial Ball and socket – shoulder and hip