Locomotor - Equine anatomy

Question 1

Features of equine scapula?

Answer 1

Flattened and glides over ribcage

Trunk supported by muscular sling that everything sits in

Question 2

Features of humerus?

Answer 2

Strong bone made for shock absorption

Question 3

Features of radius/ulna?

Answer 3

Fused to stop the leg twisting

Question 4

Features of the carpus?

Answer 4

7-8 bones in a row to absorb shock.

Question 5

Design of distal limb?

Answer 5

Suspensory ligaments in the distal limb to reduce the weight

Walk on digit III , with remants V (external) and II (internal)

Question 6

How is the leg propelled forwards?

Answer 6

Biceps brachii stretches when carpus is locked. Lacertus fubrosus and internal tendons (suspensory ligament, deep DFT, superficial flexor) store energy and is released when foot lifts

Question 7

What is the pelvis like?

Answer 7

Pelvic girdle is fused with sacral and two coccygeal vertebrae.

The pelvis itself is fused

Question 8

Details of femur?

Answer 8

Very strong and this, shorter

Question 9

Details of fibula/tibia?

Answer 9

Fused and join to hock. Fibia is essentially vestigial.

Question 10

details of tarsus?

Answer 10

6-7 short flat bones with the pointy calcaneous giving point of hock.