Synovial joints

Question 1

Plain, arthrodia

Answer 1

A flat shaft, gridle

Examples are the carpo-metacarpal and the acromio-clavicular

Question 2

Hinge, trochlea

Answer 2

A transverse axis, flex- extension

Examples are the interphalangeal

Question 3

Pivot, trochoidal

Answer 3

A vertical axis (passes longitudinally), rotation

Examples are the radio-ulnar and the atlanto-odontoid

Question 4

Condylar

Answer 4

Two axes, no rotation in the vertical axis. flex-ex; abduction and circunduction
Examples are the metacarpophalangeal

Question 5

Bicondylar

Answer 5

Two axes (transversal and longitudinal); flex-ex, limited rotation.
Examples are the knee and occipital atlas rotation

Question 6

Saddle, sellar, silla de montar

Answer 6

Two axes in straight angle. Flex-es; abd-ad; circunduction.

Examples are trapezio-metacarpal

Question 7

Spheroid, glenoideal (enarthrosis)

Answer 7

Multiaxial, with many axes (ball and socket)

Examples are the shoulder and hip