Comprehensive Sports Guide: Rules, Conditioning & Equipment

Athletic mastery depends on understanding official gameplay rules, optimizing equipment technology, and implementing sport-specific conditioning drills.

Vintage Bats

Why Do Baseball Players Use Pine Tar?

The sticky, brown substance known as pine tar is produced through distillation of pine wood. Baseball players coat their bats -- and sometimes their hands and helmets -- in this sticky substance in the hopes of getting the best grip on their bats.

Read more →
Woman with skis at base of mountain near ski lift, smiling, looking up

The Best Night Skiing Goggles

Ski goggles protect your eyes from flying snow, debris, wind and ice. However, not all lenses are created equal. Different goggle lens colors and types can help you depending on the conditions in which you typically ski. If you ski at night, you need goggles that sharpen your vision and increase visibility.

Read more →
Man boxing at gym

What Are the Different Weight Classes in Boxing?

Separating boxers into divisions helps ensure fair fights. For example, a fighter who weighs more than 200 pounds has more force behind his punch, while a fighter who weighs 140 pounds will likely be faster and more agile than the heavier fighter.

Read more →
Ready to ride.

Is Bike Riding Good for Osteoarthritis of the Knee?

Osteoarthritis is a degenerative form of arthritis that results from wear and tear to the knee joint and knee cartilage over time. Your knees, hips, shoulders and hands are most susceptible to osteoarthritis damage. If you experience osteoarthritis, you can engage in low-impact exercises like bicycle riding.

Read more →
Laps at the pool 3

Why Does My Back Hurt After I Swim?

Swimming is a low-impact activity that is typically recommended when a person experiences back pain. However swimming, like many other exercises, can have adverse effects when performed with improper form. This includes placing strain on your back.

Read more →
Man swimming

What Muscles are Used Swimming the Butterfly Stroke?

Swimmers are known for their strong shoulders and V-shaped bodies tapering to slim waists and hips. The butterfly stroke is a swimming stroke that involves the simultaneous use of the arms while the legs closely resemble the motion made by a dolphin.

Read more →