Name Explanation
Acrobatics Jumping, tumbling, and forming human pyramids.
Athletics The theory and practice of athletics.  Specialise for area and specialise again for a +5 Bonus.
Body Building The Art and Science of building your body up so that all the muscles stand out.  Must be Specialised as Builder or Trainer.
Boxing Fisticuffs according the  rules of the Marquis of Queensbury, who liked his hair, (or similar for Fantasy/otherworld settings).
Caber Tossing Throwing trees for accuracy.
Cat Fall Landing on your feet without breaking your ankle from a height of up to 40ft.
Climbing Must be Specialised.
Court Sports Tennis etc, specify.
Dance The professional skills of dancing which must be specialised, (Examples, Ballet; Salsa) and may be further Specialised as practice or teaching.  The teaching specialisation attracts a +2 bonus).
Dancing How to dance without accidentally injuring people, a social skill, not the professional skill, specify.
Endurance How to keep going beyond your natures ability to keep up.  For every success, you get another hour of activity when it would normally halt, but you “lose” one constitution, and your next test is at a penalty of -2.
Escapology How to get out of handcuffs, ropes, and death-traps.
Hold Breath Each one under your target roll gives another 12 seconds (1 round) of breath holding over and above the two minutes humanoids get as standard.  Bad failures are a penalty to that figure, Catastrophic failures mean that the breath cannot be held.  (Thus, world class breath holding is a 2 which would give 9 minutes 48 seconds of breath holding, or 49 rounds exactly). 
Juggling The art of keeping many objects moving at once.
Jumping Long Jump, high jump, or crevasse jumping, you choose.
Orienteering Find your way in the wilderness with landmarks (rivers, mountains, etc.).  It also includes the ability to read maps.  This skill is similar to navigation but can only be used for land travel.
Rapid Reflexes Trained faster reflexes.  Every point of success bumps your initiative by a point.
Running Success gives speed or endurance during this activity.
SCUBA Self Contained Underwater Breathing apparatus.
Swimming Stay afloat and/or move through water without drowning.  This is without wearing any type of armour, a backpack, and/or carrying weapons.
Throwing Say, a ball for example.
Ventriloquism Throwing your voice.
Yodelling Long-distance vocal signalling–yelling with style.
Zero-Gravity Movement How to avoid injury in a low or Zero g environment.