CBS News on Instagram: "Video shows the suspected attacker who attacked crowds in Taipei, Taiwan, with a knife and smoke grenades, killing at least three people and injuring nine others. The suspect later fell to his death from a department store building. The suspect, identified as a 27-year-old man named Chang Wen, threw a smoke grenade near an underground exit of the Taipei Main subway station, close to the city's main train station, sending pedestrians running, according to local media repor

Smart Doctor on Instagram: "Muscles of the Back ♻️♀️ . . Superficial Layer 1. Trapezius: This large muscle extends from the back of the skull to the middle of the back and helps in moving the shoulders and supporting the arms. Latissimus Dorsi: Located on the lower back, it aids in shoulder movement and helps with pulling actions. 2. Intermediate Layer Rhomboid Major and Minor: These muscles are located between the shoulder blades and help retract the scapula. Serratus Posterior Superior and Inf