肌肉有三种,慢速,快速,超快速。慢速肌肉为“红色”肌肉,毛细血管丰富,mitochondia多。
所有跟帖:
• Do 50 pushups and 5-min plank count as 高强度锻炼? -7grizzly- ♀ (0 bytes) () 10/01/2014 postreply 09:52:04
• Wow, hats off to you! -60后那一代- ♀ (0 bytes) () 10/01/2014 postreply 12:53:13
• Thanks but those are targets I can only dream of at the moment;- -7grizzly- ♀ (0 bytes) () 10/01/2014 postreply 13:08:22
• They do in my own personal definition :) -Lily168- ♀ (492 bytes) () 10/01/2014 postreply 10:54:24
• Thank you! Sounds like I need to get a grip ;-) -7grizzly- ♀ (0 bytes) () 10/01/2014 postreply 11:44:32