Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
10:24
YouTubeCrashCourse
Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament model. Your skeletal muscles are constructed like a rope made of bundles of protein fibers ...
已浏览 776.9万 次2015年6月8日
短视频
Muscles, Part 2 - Organismal Level: Crash Course Anatomy & Physiology #22
10:41
已浏览 316万 次
Muscles, Part 2 - Organismal Level: Crash Course Anatomy & Physiology #22
CrashCourse
Types of Tissue Part 3: Muscle Tissue
11:03
已浏览 97.3万 次
Types of Tissue Part 3: Muscle Tissue
Professor Dave Explains
Squat Challenge
The Most Effective Squat Challenge: 100 Rep Fitness Blender Squat Challenge
8:27
The Most Effective Squat Challenge: 100 Rep Fitness Blender Squat Challenge
YouTubeFitnessBlender
已浏览 2399.8万 次2013年6月17日
100 REP SQUAT CHALLENGE (Effectively Tone & Lift the Booty & Thighs)
6:22
100 REP SQUAT CHALLENGE (Effectively Tone & Lift the Booty & Thighs)
YouTubeMadFit
已浏览 378.3万 次2020年8月19日
🍑 10 Minute Squat Challenge!
13:16
🍑 10 Minute Squat Challenge!
YouTubeHeather Robertson
已浏览 38.4万 次2021年10月21日
热门视频
The Mechanism of Muscle Contraction: Sarcomeres, Action Potential, and the Neuromuscular Junction
12:35
The Mechanism of Muscle Contraction: Sarcomeres, Action Potential, and the Neuromuscular Junction
YouTubeProfessor Dave Explains
已浏览 188.2万 次2019年2月7日
How To Build Muscle (Explained In 5 Levels)
21:55
How To Build Muscle (Explained In 5 Levels)
YouTubeJeff Nippard
已浏览 876.8万 次2021年7月22日
The Muscular System
8:28
The Muscular System
YouTubeProfessor Dave Explains
已浏览 135.6万 次2019年2月14日
Squat Benefits
Goblet Squat Variations
0:06
Goblet Squat Variations
YouTubeAndrew Kwong (DeltaBolic)
已浏览 34万 次5 天之前
She Did This Before Heavy Squats (Hip Game Changer)
0:54
She Did This Before Heavy Squats (Hip Game Changer)
YouTubeSquat University
已浏览 27.4万 次5 天之前
Can't Do a Cossack Squat Yet? HERE'S HOW!
0:57
Can't Do a Cossack Squat Yet? HERE'S HOW!
YouTubeSquat University
已浏览 19.1万 次3 天之前