BONES AND MUSCLES

1.- SWIMMING

It works your heart, and the muscles in your legs, arms, chest and hips. The constant resistance from the water forces your muscles to simultaneously contract and stretch, creating flexible and resilient muscle fibers,

• In freestyle and backstroke, you're exercising your triceps, biceps and deltoids, abdominals, gluteals, ribcage intercostals, chest pectorals and hip stabilizers.
• Breaststroke's arm movements are sweeping actions underneath you, front to back, that engage the pectorals, biceps and deltoids. Your triceps help you thrust your arms forward, ahead of your head, when you take your breath above the water's surface.

2.- SYNCHRONIZED SWIMMING

In synchronized swimming is used practically all  the muscles and bones for example:

• In the legs are used the:
• muscle: quadriceps
• bone: femur.
• In the arms we use:
• muscle: biceps
• bone: radius
• In the trunk we use:
• muscle: abdominals
• bone: spine. 
•  In the face we use
• muscle:  jaw muscle.
• bone: jaw

3.- WRITE

• Bones: carpal, metacarpal, phalanges.
• Muscles: hypothenar eminence and tenar emorycia, adductor muscle of the thumb and interosseous muscles.

4.-WALK

• Bones: coxal bone femur, tibia, peroneus, tarsi, metatarsals, phalanges.
• Muscles: gastrocnemius, soleus, femoral quadriceps, semitendinosus, semimembranosus, femoral biceps.

5.- BEISBOL

• Muscles: deltoid, abdominals, gluteals, triceps, ridges, quadriceps
• Bones: wrist, pelvis, phalanx, spine, femur.